US Patent Class 285-- PIPE JOINTS OR COUPLINGS

US Patent Class 285
PIPE JOINTS OR COUPLINGS

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Current as of: June, 1999
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	DF	CLASS NOTES
1	DF	SAFETY RELEASE
2	DF	.~ With frangible or deformable element
3	DF	FRANGIBLE ELEMENT
4	DF	.~ Score line or groove
5	DF	IRRIGATION TYPE (GUIDE AND SUPPORT)
6	DF	.~ Released by conduit motion
7	DF	VACUUM CLEANER TYPE
8	DF	FAUCET TYPE (E.G., SLIP-ON)
9.1	DF	WITH MAGNETIC ELEMENT
9.2	DF	CONTACT ONLY
10	DF	LIQUID SEAL
11	DF	.~ With relative motion
12	DF	CONVERTIBLE
13	DF	WITH LEAKAGE OR DRIP DISPOSAL
14	DF	.~ Weep holes
15	DF	REPAIR
16	DF	.~ Removable wear element
17	DF	.~.~ Alternate wear parts
18	DF	WITH ASSEMBLY MEANS OR FEATURE
19	DF	.~ Spaced plates
20	DF	.~.~ Penetrating
21.1	DF	.~ Molded joint facilitator
21.2	DF	.~.~ Having embedded facilitator
21.3	DF	.~.~ Having solvent facilitator
22	DF	.~.~ Spacing means (e.g., lugs)
23	DF	.~ With holding means functioning only during transportation assembly or disassembly
24	DF	.~ Guide and support
25	DF	.~.~ Plural noncommunicating (e.g., train pipe type)
26	DF	.~.~.~ With latch or lock
27	DF	.~ Guide
28	DF	.~.~ Plural noncommunicating
29	DF	.~.~.~ With latch or lock
30	DF	.~ Combined inlet and outlet
31	DF	.~ Inserted section
32	DF	.~.~ Threaded telescopic
33	DF	.~ Quick release
34	DF	.~.~ Radially moved segmented threads (e.g., chuck type)
35	DF	.~.~.~ Pivoted segments
36	DF	.~ Attached thread-jamming preventer
37	DF	.~ With winder for packing or clamp
38	DF	.~ Handle or handwheel for rotary engagement
39	DF	.~ Particular tool-engaging means or with tool
40	DF	.~ Thread-cutting means
41	DF	WITH HEATING OR COOLING
42	DF	ROOF OR FLOOR DRAIN FLASHING TYPE
43	DF	.~ Angled
44	DF	.~.~ Adjustable pitch
45	DF	WITH CASING, LINING OR PROTECTOR
46	DF	.~ Escutcheon type
47	DF	.~ Insulated
48	DF	.~.~ Between serially connected parts
49	DF	.~.~.~ Intermediate resilient conduit (noise-dampener)
50	DF	.~.~.~ By intermediate joint
51	DF	.~.~.~.~ Ball and socket
52	DF	.~.~.~.~ Screw thimble
53	DF	.~.~.~ Sleeve
54	DF	.~.~.~ Socket
55	DF	.~ Lined
56	DF	WATER CLOSET TYPE, FLOOR-SUPPORTED
57	DF	.~ Flexible diaphragm or bellows
58	DF	.~ Intermediate coupling
59	DF	.~.~ Tapered spigot
60	DF	.~ Tapered spigot
61	DF	WITH SUPPORT
62	DF	.~ Vehicle
63	DF	.~.~ Railway
64	DF	.~ Static building construction
65	DF	IDENTICAL HALVES (E.G., TRAIN LINE TYPE)
66	DF	.~ With intermediate sleeve
67	DF	.~ Side slide
68	DF	.~ Transverse port
69	DF	.~.~ Auxiliary detent
70	DF	.~ Longitudinal port
71	DF	.~.~ Pivoted hook or loop
72	DF	.~.~.~ Auxiliary detent
73	DF	.~.~ Integral hook
74	DF	.~.~.~ Oscillating engagement
75	DF	.~.~.~.~ Reciprocating conduit
76	DF	.~.~.~.~ Auxiliary detent
77	DF	.~.~.~.~.~ Reciprocating
78	DF	.~.~.~.~.~.~ Key or wedge
79	DF	.~.~.~ Auxiliary detent
80	DF	WITH LOCK OR SEAL
81	DF	WITH MEANS BLOCKING RELEASE OF HOLDING MEANS
82	DF	.~ Auxiliary latch
83	DF	.~.~ Line pressure-responsive
84	DF	.~.~ Reciprocating
85	DF	.~.~.~ With manipulator
86	DF	.~.~.~ Locking sleeve
87	DF	.~.~ Pivoted
88	DF	.~.~.~ With manipulator
89	DF	.~ Lock nut or washer
90	DF	.~ Set screw
91	DF	.~ Key or pin
92	DF	.~ Thread lock
93	DF	WITH INDICATOR, ALARM OR INSPECTION MEANS
94	DF	WITH LUBRICATION
95	DF	WITH FLUID PRESSURE SEAL
96	DF	.~ With external pressure supply
97	DF	.~.~ Inflated member
98	DF	.~ Swivel with flange in socket
99	DF	.~ Coacting opposing duplicate
100	DF	.~ With expansible chamber means
101	DF	.~.~ Piston-type reactor
102	DF	.~.~.~ With line pressure-responsive catch
103	DF	.~.~.~ Side slide
104	DF	.~ With separate, encased pipe-gripping means
105	DF	.~.~ Packing-actuated
106	DF	.~ Independent supply passage
107	DF	.~ Expansible shank
108	DF	.~ Separate retainer or positioner
109	DF	.~ Expansible internal sleeve-type gasket
110	DF	.~ Flexible lip
111	DF	.~.~ C-shaped section
112	DF	.~.~.~ Longitudinal web
113	DF	.~ Wedged gasket
114	DF	WITH STRAIN RELIEF
115	DF	.~ Extension of socket or sleeve
116	DF	.~.~ Separable
117	DF	WITH BROKEN PARTS RETAINER
118	DF	KNUCKLE JOINT WITH ACTUATING MEANS
119	DF	COMBINED
120.1	DF	HAVING PLURAL INDEPENDENT PATHS
121.1	DF	.~ Allowing relative motion of pipes
121.2	DF	.~.~ Revolvable and telescoping
121.3	DF	.~.~ Revolvable
121.4	DF	.~.~.~ Having spring biasing for maintaining a leak-proof seal
121.5	DF	.~.~.~ Having specific bearing structure
121.6	DF	.~.~ Swiveling
121.7	DF	.~.~.~ Ball and socket type
122.1	DF	.~ And at least one path having branched flow
123.1	DF	.~ For concentric tubes or pipes (e.g., well casing or wellhead type)
123.2	DF	.~.~ Having plural parallel suspended inner tubes
123.3	DF	.~.~ Having single suspended inner tube
123.4	DF	.~.~.~ Split ring type suspension means
123.5	DF	.~.~.~ Having inner tube anchored by slip means
123.6	DF	.~.~.~.~ Including packing means
123.7	DF	.~.~.~.~.~ Having means engaging slip means and compressing packing means
123.8	DF	.~.~.~.~.~.~ By bolt directly connecting slip means to packing means
123.9	DF	.~.~.~.~.~ Having radially applied orienting means
123.11	DF	.~.~.~.~ Having slip means actuator
123.12	DF	.~.~.~ Including a seal
123.13	DF	.~.~.~.~ Held by a means applied radially (e.g., set crew)
123.14	DF	.~.~.~.~ Compressed by tightening a bolt coaxial to tubing
123.15	DF	.~.~ Double-walled or duplex joint
123.16	DF	.~.~.~ Wall configured as mating complementary type (e.g., hot air ducts)
123.17	DF	.~.~ Joint fabricated from material to compensate for movement
124.1	DF	.~ Parallel paths
124.2	DF	.~.~ Having spacer means for pipes or tubes
124.3	DF	.~.~.~ Apertured plate type
124.4	DF	.~.~.~ Including a fitting, boss, or nipple means
124.5	DF	.~.~ Located within block type connector for ducts
125.1	DF	FOR BRANCHED PATH
126.1	DF	.~ Having an access opening and removable cover
127.1	DF	.~ Including a swivel joint
127.2	DF	.~.~ Double Y-type
128.1	DF	.~ Allowing for movement parallel to path (e.g., expansion joint)
129.1	DF	.~ And having additional, integral fitting, branch, or coupling for a means such as a vent
129.2	DF	.~.~ Plus a bend, flange, pocket, or chamber for antisiphon
130.1	DF	.~ Intersecting paths (e.g., X- or cross-type)
131.1	DF	.~ Y-type, (symmetrical along the centerline)
132.1	DF	.~ (Y-type) having a straight portion and an angled leg
133.11	DF	.~ T-type
133.21	DF	.~.~ Having a seal, gasket, O-ring, or packing
133.3	DF	.~.~ Having a pipe-receiving bell, socket or mouth
133.4	DF	.~.~ Having threaded portions
133.5	DF	.~.~ Having reinforcement
133.6	DF	.~.~ For thin-walled material (e.g., sheet-metal)
134.1	DF	U-TYPE (E.G., RETURN BEND)
135.1	DF	.~ Detachable
135.2	DF	.~.~ Having yoke-type clamp
135.3	DF	.~.~.~ Having a removable bushing
135.4	DF	.~.~ Having coupling sleeve
135.5	DF	.~.~.~ Secured by bolt
136.1	DF	PIPE TO DISCREET NIPPLE OR SLEEVE TO PLATE (I.E., THREE SUCCESSIVE PIECES)
137.11	DF	.~ Pipe to nipple connection dependent on nipple to plate connection
138.1	DF	.~ Ball and socket
139.1	DF	.~ Plate clamped between flanged nipple and separate fastener
139.2	DF	.~.~ Nipple includes seal
139.3	DF	.~.~ Nipple includes securing means
140.1	DF	.~ Expandable detent engages plate to hold nipple
141.1	DF	.~ Nipple sealed to plate
142.1	DF	.~ Nipple bolted to plate
143.1	DF	.~ Nipple threaded to plate
144.1	DF	SERIAL,RELATIVELY MOVABLE PORTIONS
145.1	DF	.~ Having telescoping portion
145.2	DF	.~.~ Pivot or swivel
145.3	DF	.~.~ Ball connector
145.4	DF	.~.~ Sleeve
145.5	DF	.~.~.~ Bellows-type
146.1	DF	.~ Linked ball and socket portions
146.2	DF	.~.~ Having multiplex socket
146.3	DF	.~.~ Having ball between opposed sockets
147.1	DF	.~ Plural swivels
147.2	DF	.~.~ Having spring
147.3	DF	.~.~ Having nozzle
148.1	DF	.~ Serial diverse single flow path or line
148.3	DF	.~.~ Flexible
148.5	DF	.~.~ Intermediate joint with expansible spigots
148.6	DF	.~.~ Compound coupling (e.g., leak-gland type)
148.7	DF	.~.~.~ Having molded or bonded joint
148.8	DF	.~.~.~.~ Having bolted or screwed flange or clamp
148.9	DF	.~.~ Having bonded component
148.11	DF	.~.~ Diverse materials
148.12	DF	.~.~.~ Having bonded component
148.13	DF	.~.~.~ Nonmetal to metal
148.14	DF	.~.~.~.~ Quick connect or release
148.15	DF	.~.~.~.~ Having swivel
148.16	DF	.~.~.~.~ Having serrated nipple
148.17	DF	.~.~.~.~ Having clamp
148.18	DF	.~.~.~.~ Reducer
148.19	DF	.~.~ Diverse coupling interfaces
148.21	DF	.~.~.~ Quick connect or release
148.22	DF	.~.~ Diverse size or shape
148.23	DF	.~.~.~ Reducer
148.24	DF	.~.~.~.~ Sheet-metal (e.g., stove duct, etc.)
148.25	DF	.~.~.~.~ Having bolted flange
148.26	DF	.~.~.~.~ Having clamp
148.27	DF	.~.~.~ Eccentric
148.28	DF	.~.~ Having bolted or screwed flange or clamp
148.2	DF	.~.~ Quick connect or release
148.4	DF	.~.~ Having swivel
149.1	DF	CONNECTOR FOR CONDUIT HOUSING ELECTROMAGNETIC LINE:
150.1	DF	.~ Underground
151.1	DF	.~ Water tight
152.1	DF	.~ Multiple passage
153.1	DF	.~ Including swivel
153.2	DF	.~.~ Having plural swivels
153.3	DF	.~.~ Having swivel and spring
154.1	DF	.~ Having box and connector
154.2	DF	.~.~ Including flexible armored sheath
154.3	DF	.~.~.~ Including screw operated clamp
154.4	DF	.~.~ Including screw operated clamp
179	DF	ELBOW
179.1	DF	.~ With access opening
179.2	DF	.~.~ Sheet-metal
180	DF	.~ Cooperating saddle clamp
181	DF	.~ Serially connected, adjustable
182	DF	.~ Nesting parts
183	DF	.~ Sheet metal
184	DF	ADJUSTABLE ANGLE
185	DF	.~ With center bolt
187	DF	TEMPERATURE-RESPONSIVE
188	DF	SIDE TO PIPE SIDE
189	DF	END TO SIDE OR PLATE (E.G., REINFORCEMENT)
190	DF	.~ Swivel with lateral port to annular sleeve
191	DF	.~ Bolt or hook in flow (e.g., center bolt)
192	DF	.~ Penetrating (e.g., secant)
193	DF	.~.~ Fixture
194	DF	.~.~ Hole edge clamp
195	DF	.~.~.~ Transverse screw
196	DF	.~ Expansible packing on spigot
197	DF	.~ Saddle-type clamp
198	DF	.~.~ Yoke with radial screw at bight
199	DF	.~.~ Yoke with thread on free ends
200	DF	.~ Flexible or yielding plate
201	DF	.~ Sput
202	DF	.~.~ Interlocked
203	DF	.~.~.~ Plate edge locks sput
204	DF	.~.~.~ Packed
205	DF	.~.~ Clamped plate
206	DF	.~.~.~ Screw clamp
207	DF	.~.~.~.~ With conduit clamping means
208	DF	.~.~.~.~ Attachable from one side of plate
209	DF	.~.~.~.~.~ Lugged nipple
210	DF	.~.~.~.~.~.~ Movable lug
211	DF	.~ Countersunk packed
212	DF	.~.~ Screw-compressed
213	DF	.~ Gland
214	DF	.~.~ Internal with expanding means
215	DF	.~.~ External of conduit
216	DF	.~.~.~ Expansible
217	DF	.~.~.~.~ With conduit clamping means
218	DF	.~.~.~.~.~ Transverse screw
219	DF	.~ Screw
220	DF	.~.~ With packing
221	DF	.~.~ Necked plate
222	DF	.~ Expanded or swaged pipe
222.1	DF	FOR PLURAL COMPONENT LINE (E.G., FLEXIBLE TYPE)
222.2	DF	.~ Metal, elastomeric (e.g., rubber), and fabric layers
222.3	DF	.~ Elastomeric and fabric layers
222.4	DF	.~ Metal and elastomeric layers
222.5	DF	.~ Distinct metal layers (e.g., wire cloth, etc.)
223	DF	FLEXIBLE JOINT, RIGID MEMBERS
224	DF	.~ Radial and longitudinal expansion compensators
225	DF	.~ Diaphragm
226	DF	.~ Bellows
227	DF	.~.~ Multiple
228	DF	.~.~.~ Balanced
229	DF	.~.~ Single fold type
230	DF	.~ Concrete, clay, or masonry pipe
231	DF	.~ Socketed packing type
232	DF	.~.~ With conduit gripping means (e.g., wedge ring)
233	DF	.~.~ Beaded conduit
234	DF	.~.~ Flared conduit
235	DF	.~ Resilient sleeve type
236	DF	.~.~ Clamped
237	DF	.~.~ With spigot and socket ends
238	DF	NONMETAL TO METAL
239	DF	.~ Internal member (e.g., sleeve or nipple)
240	DF	.~.~ Flexible tip pipe
241	DF	.~.~.~ External clamp
242	DF	.~.~ External clamp or holder
243	DF	.~.~.~ Movable jaw
244	DF	.~.~.~ Spring
245	DF	.~.~.~ Screw-compressed
246	DF	.~.~.~.~ Thimble gland
247	DF	.~.~.~.~ Thimble
248	DF	.~.~.~.~.~ Separable means between hose and clamp
249	DF	.~.~.~.~.~.~ Wedge ring
250	DF	.~.~.~.~ Gland
251	DF	.~.~.~.~ Screw-fed hose
252	DF	.~.~.~ Band clamp with tightener
253	DF	.~.~.~.~ Bolted
254	DF	.~.~.~ Wrapped band
255	DF	.~.~.~ Wedge
256	DF	.~.~.~ Deformation
257	DF	.~.~.~.~ Bendable spur fingers
258	DF	.~.~.~.~ Expanding internal member
259	DF	.~.~.~ Particular surface
260	DF	BOTH MEMBERS PLIABLE AND NONMETAL
261	DF	BALL AND SOCKET
262	DF	.~ With internal tie means
263	DF	.~ Radially spaced spherical surfaces
264	DF	.~ Oscillative
265	DF	.~.~ With gimbal ring
266	DF	.~ Composite ball
267	DF	.~ Spring-biased packing
268	DF	.~ Spring-biased ball
269	DF	.~.~ Socketed spring
270	DF	.~ With separate packing actuator
271	DF	.~ With removable ball seat
272	DF	SWIVEL
272.1	DF	.~ With access opening
273	DF	.~ Transverse cylinder in socket
274	DF	.~ With yoke
275	DF	.~ Pipe in socket type
276	DF	.~.~ With ball, ring or pin detent
277	DF	.~.~.~ With manipulator
278	DF	.~.~ With flange in socket
279	DF	.~.~.~ Spring-pressed flange
280	DF	.~.~.~ Flange locked axially
281	DF	.~.~.~.~ Packed
282	DF	.~ With rotation limits
283	DF	DETACHABLE HINGE
284.1	DF	WITH ACCESS OPENING
285.1	DF	MOLDED JOINT
286.1	DF	.~ Interlocked
286.2	DF	.~.~ Deformed or having additional holding means
287.1	DF	.~ With root repellent
288.1	DF	.~ Weld
288.2	DF	.~.~ Axially spaced
288.3	DF	.~.~ Cold weld
288.4	DF	.~.~ Flash weld
288.5	DF	.~.~ Having additional holding means
288.6	DF	.~.~.~ Interlocked
288.7	DF	.~.~ Having disassembly feature
288.8	DF	.~.~ Having crack arresting feature
288.9	DF	.~.~ Reinforced
288.11	DF	.~.~ Having pre-formed weld ring
289.1	DF	.~ Solder
289.2	DF	.~.~ Having additional holding means
289.3	DF	.~.~.~ Interlocked
289.4	DF	.~.~ Having disassembly feature
289.5	DF	.~.~ Having pre-placed solder
290.1	DF	.~ Composite pipe (ends)
290.2	DF	.~.~ Locked reinforcement
290.3	DF	.~.~ Interlocked with pipe end
290.4	DF	.~.~.~ Having additional holding means
290.5	DF	.~.~ Expansion/contraction
291.1	DF	.~ Having screw interlock
291.2	DF	.~.~ Having interrupted thread
292.1	DF	.~ With lug and slot interlock
293.1	DF	.~ Lining or cover molded to pipe end
294.1	DF	.~ Sleeve
294.2	DF	.~.~ Wrapped
294.3	DF	.~.~ Sprue
294.4	DF	.~.~.~ Having additional holding means
295.1	DF	.~ With packing filler
295.2	DF	.~.~ Wedge ring type
295.3	DF	.~.~ Elastomeric
296.1	DF	.~ Sprue
298	DF	VARIABLE LENGTH
299	DF	.~ With bellows seal
300	DF	.~.~ Internal sleeve
301	DF	.~.~ With limit means
302	DF	.~ Telescopic with relative motion
303	DF	.~ Step adjustment
304	DF	FRICTION DETENT (E.G., BREAKAWAY TYPE)
305	DF	ESSENTIAL CATCH
306	DF	.~ Line pressure-responsive
307	DF	.~ Operated by conduit motion
308	DF	.~ With manipulator
309	DF	.~.~ With means to increase contact pressure (e.g., tightener)
310	DF	.~.~.~ Separate actuator
311	DF	.~.~.~ Dead center lever systems (self-locking)
312	DF	.~.~.~ Cam lever
313	DF	.~.~ Restrainer for manipulator
314	DF	.~.~ Cam sleeve
315	DF	.~.~.~ Reciprocating sleeve
316	DF	.~.~.~.~ Spring-biased sleeve
317	DF	.~.~ Spring-biased catch
318	DF	.~ Coil spring
319	DF	.~ Leaf spring
320	DF	.~ Pivoted
321	DF	.~ Resilient ring
322	DF	MOVABLE JAW (E.G., CONTRACTIBLE SOCKET)
323	DF	.~ Wedge bushing
324	DF	.~ Reducing bushing
325	DF	SIDE SLIDE
326	DF	.~ Clamping lever
327	DF	.~ Screw-thimble tightener
328	DF	PARTICULAR INTERFACE
329	DF	.~ Diverse metal
330	DF	.~ Interlocked or overlapped
331	DF	.~ Annular socket
332	DF	.~ Tapered
332.1	DF	.~.~ Conoidal
332.2	DF	.~.~ Packed
332.3	DF	.~.~.~ Interface
332.4	DF	.~.~ Discontinuous interface surface
333	DF	.~.~.~ Threaded (e.g., drill pipe type)
334	DF	.~.~.~.~ Flat crest
334.1	DF	.~.~ Adapter seat
334.2	DF	.~.~.~ Double-tapered internal sleeve
334.3	DF	.~.~.~ Elastomeric
334.4	DF	.~.~ Dissimilar
334.5	DF	.~.~ Flared
335	DF	PACKED
336	DF	.~ With cooperating opposed packing grooves
337	DF	.~ Externally with clamp
338	DF	.~ Radially expansible, spigot-carried
339	DF	.~ Wedge
340	DF	.~.~ Toggle ring type
341	DF	.~.~ Double wedge surfaces
342	DF	.~.~ Pushed
343	DF	.~.~ Compressed
344	DF	.~ "Rolled-in" gasket
345	DF	.~ Frictional retention upon insertion
346	DF	.~.~ With packing-expanding means
347	DF	.~ Carried on cylindrical shank
348	DF	.~ With separable follower
349	DF	.~ Supplemental packing socket
350	DF	.~.~ Extrusion recess
351	DF	.~ Plural seals
352	DF	.~.~ Coacting opposed duplicates
353	DF	.~ Screw thimble-gland
354	DF	.~ Screw thimble
355	DF	.~ Screw
356	DF	.~ Gland
357	DF	.~.~ Threaded
358	DF	.~ Cam
359	DF	.~.~ Thimble
360	DF	.~.~ Lugged pipe, rotary engagement
361	DF	.~.~.~ Bayonet slot
362	DF	.~.~.~ With manipulating ring
363	DF	.~ Flanged pipe
364	DF	.~.~ Clamped
365	DF	.~.~.~ Band type
366	DF	.~.~.~.~ Screw
367	DF	.~.~.~.~.~ Tangential
368	DF	.~.~.~ Axially bolted
369	DF	.~ Sleeve
370	DF	.~.~ Internal
371	DF	.~.~.~ With external
372	DF	.~.~ Dependent
373	DF	.~.~.~ Longitudinally divided
374	DF	.~ Socket
375	DF	.~.~ Internal reciprocating packer
376	DF	.~.~ Lugged pipe, rotary engagement
377	DF	.~.~.~ With manipulating ring
378	DF	.~ Diverse metal seat
379	DF	.~ Gasket retainer
380	DF	.~.~ Resilient stud
381.1	DF	TEMPERATURE RESPONSIVE JOINT ELEMENT; E.G., SHRUNK FIT
381.2	DF	.~ Memory metal element
381.3	DF	.~.~ Having intermediate member
381.4	DF	.~ Memory plastic element
381.5	DF	.~.~ Having intermediate member
382	DF	DEFORMED
382.1	DF	.~ Both members
382.2	DF	.~.~ Simultaneous
382.4	DF	.~ Outwardly expanded
382.5	DF	.~.~ Bulged
382.7	DF	.~ By separate deformable element
383	DF	DISTINCT SPACED SERIAL
384	DF	SCREW THIMBLE-GLAND
385	DF	.~ Wedge
386	DF	SCREW THIMBLE
387	DF	.~ Removable
388	DF	.~.~ Detachable flange
389	DF	.~ Wedge
390	DF	SCREW
391	DF	.~ Interrupted thread
392	DF	.~ Attached thread bushing
393	DF	.~ Gland
394	DF	CAM
395	DF	.~ Thimble
396	DF	.~ Bayonet type
397	DF	INTERNAL SLEEVE
398	DF	.~ With external
399	DF	SOCKET
400	DF	.~ Detachable ring
401	DF	.~ Lugged pipe, rotary engagement
402	DF	.~.~ Bayonet slot
403	DF	.~ With separable fastener
404	DF	.~.~ Set screw or pin
405	DF	FLANGE
406	DF	.~ Clamped
407	DF	.~.~ Band type
408	DF	.~.~.~ With intermediate flange engaging member
409	DF	.~.~.~ Lever
410	DF	.~.~.~ Screw
411	DF	.~.~.~.~ Segmented ring
412	DF	.~.~ Axially bolted
413	DF	.~.~ Rings
414	DF	.~ Detachable
415	DF	.~.~ Split ring
416	DF	.~ Fused
417	DF	SLEEVE
418	DF	.~ Dependent
419	DF	.~.~ Longitudinally divided
420	DF	CLAMP
421	DF	.~ Wedge
422	DF	MATERIALS
423	DF	.~ Nonmetallic
424	DF	.~ Sheet
425	DF	MISCELLANEOUS
		******************************
		CROSS-REFERENCE ART COLLECTIONS
		******************************
900	DF	BALANCED PRESSURE
901	DF	CAP CLOSURES
902	DF	CANTED RING
903	DF	CORRUGATED
904	DF	CRYOGENIC
905	DF	DIFFERENT COEFFICIENTS OF EXPANSION
906	DF	EQUIVALENTS
907	DF	ELECTRICAL FIXTURES
908	DF	EXTRUSION HOLES
909	DF	FLUOROCARBONS AND MEMORY PLASTICS
910	DF	GASKETS
911	DF	GLASS
912	DF	GEAR
913	DF	INTERDIGITATING
914	DF	IRREVERSIBLE
915	DF	MASTIC
916	DF	MOLECULAR CHANGE
917	DF	METALLIC SEALS
918	DF	O-RING
919	DF	RESINOUS
920	DF	REMOTELY CONTROLLED
921	DF	SNAP-FIT
922	DF	SAFETY AND QUICK RELEASE FOR DRILL PIPES
923	DF	SPECIFIC MATERIAL
924	DF	VENTED
925	DF	SWELLS WHEN WET *********************************
*	DD	FOREIGN ART COLLECTIONS
		*********************************
FOR 100	DF	SYSTEMS (285/120)
FOR 101	DF	.~ With access opening (285/121)
FOR 102	DF	.~.~ Swivel (285/122)
FOR 103	DF	.~.~.~ With hollow center bolt (285/123)
FOR 104	DF	.~.~ Detachable return band (285/124)
FOR 105	DF	.~.~.~ With yoke clamp (285/125)
FOR 106	DF	.~.~.~.~ Removable bushing (285/126)
FOR 107	DF	.~.~ Elbow (285/127)
FOR 108	DF	.~ Pipe or cable and box (285/128)
FOR 109	DF	.~.~ With attached closure flange (285/129)
FOR 110	DF	.~ Receptacle inlet and outlet in unitary mounting (285/130)
FOR 111	DF	.~ Plural noncommunicating paths (285/131)
FOR 112	DF	.~.~ With branched flow (285/132)
FOR 113	DF	.~.~ Concentric (285/133.1)
FOR 114	DF	.~.~.~ Having suspension means (e.g., oil well head type, etc.) (285/133.2)
FOR 115	DF	.~.~.~ With relative motion (e.g., drier drum type) (285/134)
FOR 116	DF	.~.~.~.~ Ball and socket (285/135)
FOR 117	DF	.~.~ With relative motion (285/136)
FOR 118	DF	.~.~ Parallel (285/137.1)
FOR 119	DF	.~.~.~ Having suspension means (e.g., oil well head type, etc.) (285/137.2)
FOR 120	DF	.~ Inner to spaced outer tube coupling (285/138)
FOR 121	DF	.~.~ Radially compressed packing (285/139)
FOR 122	DF	.~.~ Suspended (e.g., oil well casing type) (285/140)
FOR 123	DF	.~.~.~ Radially movable support ring (split ring type) (285/141)
FOR 124	DF	.~.~.~ Inner tube coupling with integral support (285/142)
FOR 125	DF	.~.~.~.~ With intermediate member (285/143)
FOR 126	DF	.~.~.~ Slip anchored inner tube (285/144)
FOR 127	DF	.~.~.~.~ With slip actuator (285/145)
FOR 128	DF	.~.~.~.~ With unitary slip and packing assembly (285/146)
FOR 129	DF	.~.~.~.~ With slip-compressed packing (285/147)
FOR 130	DF	.~.~.~.~ With packing seat on slip (285/148)
FOR 131	DF	.~ Plural layer pipe (285/149)
FOR 132	DF	.~ Branched (285/150)
FOR 133	DF	.~.~ With relative motion (285/151)
FOR 134	DF	.~.~.~ Double Y-type (285/152)
FOR 135	DF	.~.~ With vent (285/153)
FOR 136	DF	.~.~.~ Antisiphon (285/154)
FOR 137	DF	.~.~ Y-type (285/155)
FOR 138	DF	.~.~ T-type (285/156)
FOR 139	DF	.~ U-type (285/157)
FOR 140	DF	.~ Pipe or rod-to-pipe-to-plate (285/158)
FOR 141	DF	.~.~ Dependent coupling (285/159)
FOR 142	DF	.~.~ Ball and socket (285/160)
FOR 143	DF	.~.~ Plate clamped between internal nut and shoulder or flange (285/161)
FOR 144	DF	.~.~ Expanding spigot engages plate (285/162)
FOR 145	DF	.~ Serial relatively movable joints (285/163)
FOR 146	DF	.~.~ Diverse (285/164)
FOR 147	DF	.~.~.~ With telescopic type (285/165)
FOR 148	DF	.~.~ Plural ball and socket (285/166)
FOR 149	DF	.~.~.~ With sphere intermediate two sockets (285/167)
FOR 150	DF	.~.~ Plural swivel (285/168)
FOR 151	DF	.~ Serial diverse single flow or line (285/169)
FOR 152	DF	.~.~ Intermediate joint with expansible spigots (285/170)
FOR 153	DF	.~.~ Compound (e.g., leak-gland type) (285/171)
FOR 154	DF	.~.~.~ With molded joint (285/172)
FOR 155	DF	.~.~ Diverse materials (285/173)
FOR 156	DF	.~.~.~ Nonmetal to metal (285/174)
FOR 157	DF	.~.~ Diverse coupling interfaces (285/175)
FOR 158	DF	.~.~ Diverse size or shape (285/176)
FOR 159	DF	.~.~.~ Reducer (285/177)
FOR 160	DF	.~.~.~ Eccentric (285/178)
FOR 161	DF	MOLDED JOINT (285/284)
FOR 162	DF	.~ With root repellent (285/285)
FOR 163	DF	.~ Weld (285/286)
FOR 164	DF	.~ Solder (285/287)
FOR 165	DF	.~ Composite pipe (ends) (285/288)
FOR 166	DF	.~ With screw interlock (285/289)
FOR 167	DF	.~ With lug and slot interlock (285/290)
FOR 168	DF	.~ Lining molded to pipe end (285/291)
FOR 169	DF	.~ Sleeve (285/292)
FOR 170	DF	.~.~ Wrapped (285/293)
FOR 171	DF	.~.~ Sprue (285/294)
FOR 172	DF	.~ With packing filler (285/295)
FOR 173	DF	.~.~ Wedge ring type (285/296)
FOR 174	DF	.~ Sprue (285/297)

US Patent Class 285 PIPE JOINTS OR COUPLINGS

Current as of: June, 1999 Click for Main Headings Click DF for Definitions Click for All Classes

Internet Version by PATENTEC © 1999 Terms of Use

US Patent Class 285
PIPE JOINTS OR COUPLINGS

Current as of: June, 1999
Click for Main Headings
Click DF for Definitions
Click for All Classes