US Patent Class 406-- CONVEYORS: FLUID CURRENT-- MAIN HEADINGS

US Patent Class 406
CONVEYORS: FLUID CURRENT-- Main Headings

		CLASS NOTES
1	DF	SELECTIVE DELIVERY {2}
10	DF	WITH MEANS TO CONTROL CONVEYING FLUID OR MOVEMENT OF LOAD IN RESPONSE TO SENSED CONDITION {3}
34	DF	WITH SIGNAL, INDICATOR, OR INSPECTION MEANS {3}
38	DF	AMBULANT OR PORTABLE {1}
45	DF	WITH MEANS TO PREVENT PIPELINE SLUMPING
46	DF	WITH ADJUNCTIVE SUBSTANCE ADDED {2}
50	DF	SLUG CONVEYING
51	DF	WITH DIVERSE POWER-DRIVEN CONVEYOR {4}
83	DF	WITH LOAD BRAKING OR RETARDING MEANS {1}
85	DF	PULSING FLUID CURRENT
86	DF	HAVING MEANS FOR MAINTAINING LOAD IN SUSPENSION ALONG FLOW PATH {4}
93	DF	HAVING MEANS TO INTRODUCE BOOSTER FLUID INTO CONVEYOR {1}
96	DF	BLOWER OR PUMP HAVING LOAD INTAKE OPENING IN HOUSING {3}
105	DF	HAVING LOAD BY-PASS AROUND BLOWER OR PUMP
106	DF	ENDLESS FLUID CURRENT PATH
107	DF	MATERIAL-BACKFLOW DISCHARGE
108	DF	INTAKE TO FLUID CURRENT CONVEYOR {7}
154	DF	FLUID CURRENT CONVEYOR OUTLET MEANS {5}
181	DF	LOAD FLOW DIVERTER, DIVIDER, OR COMBINER {2}
184	DF	CARRIER {4}
191	DF	CONDUIT {5}
197	DF	PROCESSES
198	DF	MISCELLANEOUS