 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| DF | CLASS NOTES | |
| 100 | DF | NUCLEAR FUSION |
| 101 | DF | .~ Pellet guidance systems (e.g., pellet injection means) |
| 102 | DF | .~ Inertial confinement (e.g., nuclear explosive) |
| 103 | DF | .~.~ Photon beam (e.g., laser) irradiation |
| 104 | DF | .~.~.~ Optics |
| 105 | DF | .~.~ Particle beam irradiation (excluding photons) |
| 106 | DF | .~.~.~ Ion beam irradiation |
| 107 | DF | .~ Fusion reaction by plural colliding plasmas or particle beams |
| 108 | DF | .~ Including accelerating particles into a stationary or static target (e.g., Cockcroft-Walton generator type) |
| 109 | DF | .~.~ With target replenishing |
| 110 | DF | .~.~ With means for modifying the resultant neutron output, e.g., moderator means |
| 111 | DF | .~.~ With means to pulsate ion beam |
| 112 | DF | .~.~ Cyclotron type acceleration of nuclei |
| 113 | DF | .~.~ With electrostatic voltage generating means |
| 114 | DF | .~.~ Self-contained neutron sources (e.g., neutron or accelerator tube) |
| 115 | DF | .~.~.~ With cooled electrodes or target |
| 116 | DF | .~.~.~ With ion beam collimator or filtering structure (e.g., extractor electrode) |
| 117 | DF | .~.~ With ion beam collimator or filtering structure |
| 118 | DF | .~.~ Subterranean sources |
| 119 | DF | .~.~ With control circuitry |
| 120 | DF | .~ Including bunched particle beam |
| 121 | DF | .~ Magnetic confinement of plasma |
| 122 | DF | .~.~ Plasma formed in situ by laser |
| 123 | DF | .~.~ Principal heating by wave energy |
| 124 | DF | .~.~.~ Heating by time varying magnetic field (e.g., by compression) |
| 125 | DF | .~.~ Imploding liners |
| 126 | DF | .~.~ With enveloping charged particle confinement (e.g., E or P layer) |
| 127 | DF | .~.~ With injection of electrically charged or accelerated particles |
| 128 | DF | .~.~.~ Plasma injection |
| 129 | DF | .~.~.~ Negatively charged particle injection |
| 130 | DF | .~.~.~ Neutral particle injection |
| 131 | DF | .~.~ Auxiliary heating |
| 132 | DF | .~.~.~ Electromagnetic wave energy |
| 133 | DF | .~.~ Toroidal confinement of plasma |
| 134 | DF | .~.~.~ Divertors |
| 135 | DF | .~.~.~.~ Effuser |
| 136 | DF | .~.~.~ Limiters or liners |
| 137 | DF | .~.~.~ With solid internal conductor |
| 138 | DF | .~.~.~ Bumpy torus |
| 139 | DF | .~.~ Linear confinement |
| 140 | DF | .~.~.~ Mirror devices |
| 141 | DF | .~.~.~.~ Plasma formed or contained between spaced electrodes |
| 142 | DF | .~.~ Magnetic structure |
| 143 | DF | .~.~ With circuitry |
| 144 | DF | .~ Plasma formed between spaced electrodes |
| 145 | DF | .~.~ Plasma focus |
| 146 | DF | .~ Including removal or use of impurities or reaction products (e.g., energy) |
| 147 | DF | .~.~ Direct conversion of energy |
| 148 | DF | .~.~ Including use of heat or radiation to effect a chemical reaction |
| 149 | DF | .~ Shock wave heating of plasma or gas (e.g., MHD heating) |
| 150 | DF | .~ Chamber structure or material |
| 151 | DF | .~ Fusion targets or pellets |
| 152 | DF | .~.~ For inertial confinement |
| 153 | DF | DETECTION OF RADIATION BY AN INDUCED NUCLEAR REACTION |
| 154 | DF | .~ By fission |
| 155 | DF | .~ With boron |
| 156 | DF | NUCLEAR TRANSMUTATION (E.G., BY MEANS OF PARTICLE OR WAVE ENERGY) |
| 157 | DF | .~ Gamma or charged particle activation analysis |
| 158 | DF | .~ By neutron bombardment |
| 159 | DF | .~.~ Neutron activation analysis |
| 160 | DF | .~.~.~ Subterranean |
| 161 | DF | .~.~.~.~ Specific nuclides |
| 162 | DF | .~.~.~.~.~ Metals |
| 163 | DF | .~.~.~.~.~.~ Aluminum, silicon |
| 164 | DF | .~.~.~.~.~.~ Uranium |
| 165 | DF | .~.~.~.~.~ Hydrogen, chlorine |
| 166 | DF | .~.~.~.~.~ Oxygen, carbon |
| 167 | DF | .~.~.~.~ With tracer injection |
| 168 | DF | .~.~ Halogens |
| 169 | DF | .~.~.~ Iodine |
| 170 | DF | .~.~ Actinides |
| 171 | DF | .~.~.~ Breeder or converter reactor structures |
| 172 | DF | .~.~.~.~ Fertile fuel assembly structure or arrangement |
| 173 | DF | .~.~.~.~.~ Having internal fertile regions |
| 174 | DF | .~.~.~.~ Having particular coolant fluid flow path or pattern within reactor core |
| 175 | DF | .~.~.~.~.~ Orifice or fluid control at inlet or outlet of coolant channels |
| 176 | DF | .~.~.~.~.~.~ Hydraulic holddown |
| 177 | DF | .~.~.~.~.~ Plural coolant loops or passes through reactor core |
| 178 | DF | .~.~.~.~ Fuel assembly holddown or support |
| 179 | DF | .~.~.~.~ Coolant manipulated and used exterior of reactor core |
| 180 | DF | .~.~.~ Formation of uranium isotopes |
| 181 | DF | .~.~.~.~ Uranium 233 |
| 182 | DF | .~.~.~ Formation of plutonium isotopes |
| 183 | DF | .~.~ Doping of semiconductors |
| 184 | DF | .~.~ Rare earths |
| 185 | DF | .~.~ Alkali and alkaline elements |
| 186 | DF | .~.~ Molybdenum, technetium |
| 187 | DF | .~.~ Lead, polonium, bismuth |
| 188 | DF | .~.~ Sulfur, phosphorus |
| 189 | DF | .~.~ With reaction product treatment (e.g., recovery, separation) |
| 190 | DF | .~ By charged particle bombardment |
| 191 | DF | .~.~ Alpha-neutron sources |
| 192 | DF | .~.~ To produce spallation reactions |
| 193 | DF | .~.~.~ To produce fissile isotopes |
| 194 | DF | .~.~ Proton bombardment |
| 195 | DF | .~.~.~ With reaction product treatment (e.g., recovery, separation) |
| 196 | DF | .~.~ Alpha (helium nucleus) bombardment |
| 197 | DF | .~.~.~ Wherein the reaction product is an actinide or transuranium element |
| 198 | DF | .~.~.~ With reaction product treatment (e.g., recovery, separation) |
| 199 | DF | .~.~ Deuteron bombardment |
| 200 | DF | .~.~.~ Wherein the reaction product is an actinide or transuranium element |
| 201 | DF | .~.~.~ With reaction product treatment (e.g., recovery, separation) |
| 202 | DF | .~ Irradiation capsule, holder, or support |
| 203 | DF | SEAL ARRANGEMENTS |
| 204 | DF | .~ For nozzle |
| 205 | DF | .~ Between pressure vessel cover and vessel or portion thereof |
| 206 | DF | .~.~ Rotating plug-type cover |
| 207 | DF | WITH CONTROL OF REACTOR (E.G., CONTROL OF COOLANT FLOW) |
| 208 | DF | .~ Pulsed reactors |
| 209 | DF | .~ Spectral shift |
| 210 | DF | .~ By coolant flow |
| 211 | DF | .~.~ Exterior of core (e.g., secondary loop control) |
| 212 | DF | .~ By altering quantity of characteristic of fuel within critical area |
| 213 | DF | .~.~ Wherein control element includes a fissile material |
| 214 | DF | .~ Reactor start-up |
| 215 | DF | .~ By electronic signal processing circuitry (e.g., plural redundant circuits) |
| 216 | DF | .~.~ Plural sensed different conditions or measured variables correlated |
| 217 | DF | .~.~.~ Control programs |
| 218 | DF | .~.~.~.~ Xenon control |
| 219 | DF | .~ By movement of control element or by release of neutron absorbing material |
| 220 | DF | .~.~ Wherein the control element is a reflector or moderator material |
| 221 | DF | .~.~.~ Variable fluent reflector/moderator level or density |
| 222 | DF | .~.~.~.~ Moderator dump |
| 223 | DF | .~.~ Rotatable control elements |
| 224 | DF | .~.~ Finger-type control elements (insertable into fuel element positions) |
| 225 | DF | .~.~.~ Including shock absorber |
| 226 | DF | .~.~ Wherein control element is driven directly into bed of fuel elements |
| 227 | DF | .~.~ Control element movable by means of cable and winch, chains or reels |
| 228 | DF | .~.~ Wherein driver or motivating is electric |
| 229 | DF | .~.~.~ Electrofluidic |
| 230 | DF | .~.~ Wherein driver or motivating is fluid |
| 231 | DF | .~.~.~ Pneumatic |
| 232 | DF | .~.~ By motion transforming means, e.g., rack and pinion |
| 233 | DF | .~.~ Releasable coupling |
| 234 | DF | .~.~ Including shock absorber |
| 235 | DF | .~.~ Means for locking control element in desired position |
| 236 | DF | .~.~ Including control rod insertion and removal schemes |
| 237 | DF | .~.~.~ Group movement of control elements |
| 238 | DF | .~.~.~ Setback |
| 239 | DF | .~.~ Rod or support carrying plural elements or diverse materials |
| 240 | DF | .~ Sensing or detecting device attached to, embedded in, or integral with control element |
| 241 | DF | .~ Power output control (e.g., load follows with steam dump) |
| 242 | DF | .~ Means to inhibit control rod movement |
| 243 | DF | .~ With cooling of control element |
| 244 | DF | .~ Temperature reactivity control |
| 245 | DF | TESTING, SENSING, MEASURING, OR DETECTING A FISSION REACTOR CONDITION |
| 246 | DF | .~ Flowmeters |
| 247 | DF | .~ Temperature or pressure measurement |
| 248 | DF | .~ Optics |
| 249 | DF | .~ Vessel monitoring or inspection |
| 250 | DF | .~ Leak detection |
| 251 | DF | .~.~ Fuel element leak detection |
| 252 | DF | .~.~.~ By acoustic or ultrasonic wave energy |
| 253 | DF | .~.~.~ By the detection of fission products external to the fuel element |
| 254 | DF | .~ Flux monitoring |
| 255 | DF | .~.~ Directly generating electrical signal (e.g., ion detection) |
| 256 | DF | .~ Gas sensors (e.g., hydrogen detectors) |
| 257 | DF | .~ Fuel assay (e.g., burnup) |
| 258 | DF | .~ Position detection |
| 259 | DF | .~ By particular instrumentation circuitry |
| 260 | DF | HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM |
| 261 | DF | .~ Fuel component |
| 262 | DF | .~.~ Including handling of a second different, diverse reactor component (e.g., control element, moderator element, vessel cover removal) |
| 263 | DF | .~.~.~ With pressure vessel cover removal |
| 264 | DF | .~.~ Charging or discharging of fuel |
| 265 | DF | .~.~.~ Refueling ball-type reactors |
| 266 | DF | .~.~.~.~ Means for separating low exposure from high exposure elements |
| 267 | DF | .~.~.~ Refueling schemes, patterns, or fuel cycles (e.g., in/out systems) |
| 268 | DF | .~ Refueling machines |
| 269 | DF | .~.~ With magazine |
| 270 | DF | .~.~ With nonaxial transfer capability |
| 271 | DF | .~.~ Upper axial transfer |
| 272 | DF | .~ Storage container systems for new and/or irradiated core elements |
| 273 | DF | SUBTERRANEAN REACTOR STRUCTURES (E.G., UNDERGROUND CONTAINMENT, UNDERGROUND EXPLOSIVE) |
| 274 | DF | .~ For minimizing radioactive contamination within an underground chamber or of the material removed therefrom |
| 275 | DF | .~ For extracting materials or energy from the earth |
| 276 | DF | .~.~ In the form of heated water or steam |
| 277 | DF | REACTOR PROTECTION OR DAMAGE PREVENTION |
| 278 | DF | .~ By minimizing positive coolant void coefficient |
| 279 | DF | .~ Fire extinguishing or prevention |
| 280 | DF | .~ Core catchers |
| 281 | DF | .~ Fluid flow reversal protection |
| 282 | DF | .~ Emergency core coolant systems (e.g., injecting coolant into reactor or pipe systems) |
| 283 | DF | .~ Pressure suppression and relief |
| 284 | DF | .~.~ By fusible means (e.g., ice) |
| 285 | DF | .~ Expansion means (e.g., shock absorbers, roller bearings) |
| 286 | DF | .~.~ Pipe expansion joints |
| 287 | DF | .~ Shield or barrier between radiation or heat source and object to be protected (e.g., insulation, thermal shield) |
| 288 | DF | .~.~ Particular materials |
| 289 | DF | .~.~ Thermal insulation |
| 290 | DF | .~.~.~ For liquid metal cooled fast reactors (e.g., insulation for vault roof, or for the vessel walls as by a layer of stagnant or quasi-stagnant coolant) |
| 291 | DF | .~.~.~ Concentric tubes or conduits with insulation |
| 292 | DF | .~.~ Concentric tubes or conduits |
| 293 | DF | .~.~ Containment structures |
| 294 | DF | .~.~.~ Pressure vessels |
| 295 | DF | .~.~.~.~ Concrete |
| 296 | DF | .~.~.~.~.~ Prestressed |
| 297 | DF | .~ With turbine protection means (e.g., turbine trip or overspeed protection means) |
| 298 | DF | .~ Auxiliary heat removal structure |
| 299 | DF | .~.~ Decay heat removal |
| 300 | DF | .~ Recombiners |
| 301 | DF | .~.~ Catalytic |
| 302 | DF | .~ Core restraint means |
| 303 | DF | .~.~ In-core restraint means |
| 304 | DF | .~.~ For moderator structures |
| 305 | DF | .~ Corrosion or damage prevention |
| 306 | DF | .~.~ By addition of material to coolant |
| 307 | DF | .~ With pressurizer means |
| 308 | DF | FISSION REACTOR MATERIAL (INCLUDING REACTION PRODUCTS) TREATMENT |
| 309 | DF | .~ Post accident impurity or contaminant removal |
| 310 | DF | .~ Impurity removal |
| 311 | DF | .~.~ Reprocessing of fuel during reactor operation |
| 312 | DF | .~.~ By cold traps or hot traps |
| 313 | DF | .~.~ By filters, ion exchangers, or absorbers |
| 314 | DF | .~.~.~ Gas filters (e.g., adsorbers) |
| 315 | DF | .~.~.~ Electrostatic or magnetic filters |
| 316 | DF | .~.~ By pressurized fluid (i.e., blowdown) |
| 317 | DF | COMBINED |
| 318 | DF | .~ With propulsion means |
| 319 | DF | .~.~ Gaseous core |
| 320 | DF | .~ With direct conversion means |
| 321 | DF | .~.~ Thermionic |
| 322 | DF | .~ For storing excess energy |
| 323 | DF | .~ With chemical reaction |
| 324 | DF | .~.~ To produce a combustible fuel |
| 325 | DF | .~.~.~ Cracking of hydrocarbons |
| 326 | DF | .~ With laser |
| 327 | DF | CONTROL COMPONENT FOR A FISSION REACTOR |
| 328 | DF | .~ Liquid control component |
| 329 | DF | .~.~ With vaporization |
| 330 | DF | .~.~ Liquid metal control component |
| 331 | DF | .~ Gaseous control component |
| 332 | DF | .~ Telescopic control devices |
| 333 | DF | .~ Wherein concentration of the reactivity affecting material varies radially or axially of the control element |
| 334 | DF | .~.~ By utilizing a follower |
| 335 | DF | .~ Flexible control element |
| 336 | DF | .~ Fuse actuated devices |
| 337 | DF | .~.~ Particulate type |
| 338 | DF | .~ Particulate type (e.g., balls) |
| 339 | DF | .~ Nonconventional control material |
| 340 | DF | REACTOR STRUCTURES WITH TESTING OR IRRADIATION FACILITIES |
| 341 | DF | .~ With material holder or support positioned outside the radiation source |
| 342 | DF | .~ With provision for insertion of material to be irradiated into the radiation means |
| 343 | DF | .~.~ Flux trap reactor structures |
| 344 | DF | .~.~ By fluid pressure |
| 345 | DF | .~.~.~ Wherein the fluid is a liquid |
| 346 | DF | EPI-THERMAL REACTOR STRUCTURES (E.G., INTERMEDIATE NEUTRON SPECTRUM) |
| 347 | DF | REACTOR STRUCTURES |
| 348 | DF | .~ Fast thermal composite core |
| 349 | DF | .~ Flux flattening |
| 350 | DF | .~ Moderator component varies in its effective density or materials |
| 351 | DF | .~.~ Spaced internal reflectors or moderators |
| 352 | DF | .~ Orifice or fluid control at inlet or outlet of coolant channels |
| 353 | DF | .~ With particular control rod guide structure |
| 354 | DF | .~ Fuel material in contact with and supported by fluid |
| 355 | DF | .~.~ Fluidized beds |
| 356 | DF | .~.~ Fuel dispersed in liquid moderator, solution, etc. |
| 357 | DF | .~.~.~ Vapor forming, separating, or manipulating |
| 358 | DF | .~.~.~ With particular in situ reconstitution or modification of fuel moderator material |
| 359 | DF | .~.~ Fuel in molten state or in molten vehicle |
| 360 | DF | .~.~.~ Fuel in form of fused salt |
| 361 | DF | .~ Circulating fluid within reactor |
| 362 | DF | .~.~ Fuel assembly supports |
| 363 | DF | .~.~.~ Suspended fuel assembly |
| 364 | DF | .~.~.~ Fuel assembly holddown or locking means |
| 365 | DF | .~.~.~.~ Hydraulic or pneumatic |
| 366 | DF | .~.~ Plural fluids or a fluid in plural phases circulating within reactor (e.g., pressure tube reactors) |
| 367 | DF | .~.~.~ In heat pipe means |
| 368 | DF | .~.~.~ Including chemically distinct gas |
| 369 | DF | .~.~.~.~ With formation, separation, or manipulation of a second gas |
| 370 | DF | .~.~.~ With formation, separation, or manipulation of a vapor (e.g., boiling water reactor (BWR) type) |
| 371 | DF | .~.~.~.~ With vapor-liquid separating means |
| 372 | DF | .~.~.~.~ With jet pump |
| 373 | DF | .~.~.~.~ Having specified fluid flow path or pattern within reactor core |
| 374 | DF | .~.~.~.~.~ Plural separate coolant loops through reactor core |
| 375 | DF | .~.~.~.~.~ With plural, coolant passes through reactor core |
| 376 | DF | .~.~.~.~.~.~ Re-entrant type |
| 377 | DF | .~.~.~.~.~ With particular flow directing or diverting means (e.g., flow baffle) |
| 378 | DF | .~.~.~.~ Vapor manipulated or used exterior of reactor core |
| 379 | DF | .~.~.~.~.~ With flow control of fluid within reactor |
| 380 | DF | .~.~.~.~ Nonaqueous vapor |
| 381 | DF | .~.~ Pebble bed reactor |
| 382 | DF | .~.~.~ Having core of separate pebble containers |
| 383 | DF | .~.~ Fluid is a gas |
| 384 | DF | .~.~.~ Wherein the gas is steam |
| 385 | DF | .~.~.~ Having specified flow path or pattern within reactor core |
| 386 | DF | .~.~.~.~ Plural separate loops |
| 387 | DF | .~.~.~.~ Plural passes through core |
| 388 | DF | .~.~.~.~.~ Re-entrant type |
| 389 | DF | .~.~.~.~ With particular flow directing or diverting means (e.g., flow baffle) |
| 390 | DF | .~.~.~.~.~ With core bypass means (e.g., passage along core barrel or through shield structure) |
| 391 | DF | .~.~.~ Manipulated or used exterior of the reactor core |
| 392 | DF | .~.~.~.~ With jet pump |
| 393 | DF | .~.~.~.~ With coaxial flow |
| 394 | DF | .~.~.~.~ With single structure component containment (e.g., pod arrangement) |
| 395 | DF | .~.~ Having specified fluid flow path or pattern within reactor core |
| 396 | DF | .~.~.~ Plural separate coolant loops through reactor core |
| 397 | DF | .~.~.~ Plural passes |
| 398 | DF | .~.~.~.~ Re-entrant type |
| 399 | DF | .~.~.~ With particular flow directing or diverting means (e.g., flow baffle) |
| 400 | DF | .~.~.~.~ With core bypass means (e.g., passage along core barrel or through shield structure) |
| 401 | DF | .~.~.~ One-fluid-type pressure tube reactor |
| 402 | DF | .~.~ Manipulated or used exterior of reactor core |
| 403 | DF | .~.~.~ Including tank, pool, or reservoir (e.g., swimming pool) |
| 404 | DF | .~.~.~.~ Having reactor core and heat exchanger or pump therein |
| 405 | DF | .~.~.~.~.~ With particular heat exchanger structure |
| 406 | DF | .~.~.~ Compact or integral (e.g., heat exchanger, core, pumps in same vessel) |
| 407 | DF | .~.~.~ With jet pumps |
| 408 | DF | .~.~.~ With means or structure to flash coolant into vapor |
| 409 | DF | FUEL COMPONENT STRUCTURE |
| 410 | DF | .~ With means to prevent thinning of the cladding (e.g., amoeba effect) |
| 411 | DF | .~ Spherical particles |
| 412 | DF | .~ Encased with nonfuel component |
| 413 | DF | .~.~ With internal pressurizer |
| 414 | DF | .~.~ Coated, preformed, or impregnated layer or part or adhesively bonded layers or parts |
| 415 | DF | .~.~.~ Lubricating layer |
| 416 | DF | .~.~.~ Multiple or composite cladding-type layers |
| 417 | DF | .~.~.~.~ Including getter layer or barrier layer |
| 418 | DF | .~.~ Getter, fission product retainer of filter |
| 419 | DF | .~.~ Burnable poison |
| 420 | DF | .~.~ Interpellet spacing or positioning means |
| 421 | DF | .~.~ Homogeneously intermixed |
| 422 | DF | .~.~.~ Alloyed fuel |
| 423 | DF | .~.~ Moderator or reflector |
| 424 | DF | .~.~ Coolant or heat exchange material |
| 425 | DF | .~.~ Heat insulating material |
| 426 | DF | .~ Plural fuel segments or elements |
| 427 | DF | .~.~ In solid moderator block |
| 428 | DF | .~.~ Wherein the fissile content varies radially or axially within the same container (e.g., plural fuel layers) |
| 429 | DF | .~.~ Complementary segments within same container |
| 430 | DF | .~.~ Spherically shaped segments within same container |
| 431 | DF | .~.~ Concentric cylindrical elements |
| 432 | DF | .~.~ Plate-type fuel elements |
| 433 | DF | .~.~ Stacked (e.g., Candu type reactor fuel components) |
| 434 | DF | .~.~ In pack or bundle |
| 435 | DF | .~.~.~ Wherein the fissile content varies radially or axially across the pack or bundle |
| 436 | DF | .~.~.~ Wire-wrapped fuel elements |
| 437 | DF | .~.~.~ Having the fuel element ends positioned on or attached to rails |
| 438 | DF | .~.~.~ Including grid |
| 439 | DF | .~.~.~.~ With coolant flow path deflecting means |
| 440 | DF | .~.~.~.~ For ends of fuel elements |
| 441 | DF | .~.~.~.~ With nonintegral fuel element contacting means |
| 442 | DF | .~.~.~.~ With fuel element contacting protuberance or projection |
| 443 | DF | .~.~.~ With coolant flow path deflecting means |
| 444 | DF | .~.~.~.~ With coolant flow bypass means |
| 445 | DF | .~.~.~ With thermal expansion compensating means |
| 446 | DF | .~.~.~ With removable member |
| 447 | DF | .~.~.~ Including separate burnable poison or moderator |
| 448 | DF | .~.~.~ With means for spacing apart adjacent packs or bundles |
| 449 | DF | .~.~.~ Having provision or structure for insertion of control elements therein |
| 450 | DF | .~ With condition sensing or indicating means |
| 451 | DF | .~ Having particular end closure or seal (e.g., weld, plug, cap, etc.) |
| 452 | DF | .~.~ With indexing means |
| 453 | DF | .~ Fuel support or covering provided with fins, projections, prongs, etc.) |
| 454 | DF | .~.~ With external fins, projections, prongs, etc. |
| 455 | DF | .~ Hollow, annular, or graduated fuel layers or members (e.g., concentric, helical, etc.) |
| 456 | DF | .~ Vented fuel |
| 457 | DF | .~ Nonconventional jacket or can material |
| 458 | DF | MODERATOR OR REFLECTOR COMPONENT STRUCTURE FOR A FISSION REACTOR |
| 459 | DF | .~ With means for keying or assembling moderator blocks together |
| 460 | DF | ROTATING PLUG-TYPE COVER |
| 461 | DF | VESSEL SUPPORT (E.G., CORE VESSEL SUPPORTS) |
| 462 | DF | GRIDS |
| 463 | DF | MISCELLANEOUS |
| ****************************** | ||
| CROSS-REFERENCE ART COLLECTIONS | ||
| ****************************** | ||
| 900 | DF | PARTICULAR MATERIAL OR MATERIAL SHAPES FOR FISSION REACTORS |
| 901 | DF | .~ Fuel |
| 902 | DF | .~.~ With external lubricating or absorbing material |
| 903 | DF | .~.~ Shapes |
| 904 | DF | .~ Moderator, reflector, or coolant materials |
| 905 | DF | .~.~ Organic |
| 906 | DF | .~.~ Metal |
| 907 | DF | .~.~ Dissociative coolants |
| 908 | DF | REACTOR GEOMETRY (OR PART THEREOF) DEFINED IN TERMS OF NUMERICAL VALUES |
| 909 | DF | MOBILE REACTORS |
| 910 | DF | ROTATING REACTORS |
| 911 | DF | PLURAL REACTOR SYSTEMS |
| 912 | DF | NUCLEAR REACTOR SYSTEMS SITUATED IN THE OCEAN |
| 913 | DF | ANTIMATTER DEVICES AND METHODS |
| 914 | DF | NUCLEAR EXPLOSIVES |
| 915 | DF | FUSION REACTOR FUELS |
| 916 | DF | METHODS OF MAKING FUSION FUEL TARGETS |
| 917 | DF | UTILIZING DIFFERENT FUELS OR FUELS IN DIFFERENT FORMS, IN DIFFERENT REACTOR REGIONS IN RELATION TO AMOUNTS OF HEAT PRODUCED IN SAID REGIONS |
| 918 | DF | ENTIRE REACTOR CORE OF SINGLE INTEGRAL STRUCTURE |