| Class 376 | INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS |
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![[List of Pre Grant Publications for class 376 subclass 100]](../as.gif) | ![[List of Patents for class 376 subclass 100]](../ps.gif) | 100 | NUCLEAR FUSION |
| | 101 |  Pellet guidance systems (e.g., pellet injection means) |
| | 102 | Inertial confinement (e.g., nuclear explosive) |
| | 107 | Fusion reaction by plural colliding plasmas or particle beams |
| | 108 | Including accelerating particles into a stationary or static target (e.g., Cockcroft-Walton generator type) |
| | 109 |  With target replenishing |
| | 110 | With means for modifying the resultant neutron output, e.g., moderator means |
| | 111 | With means to pulsate ion beam |
| | 112 | Cyclotron type acceleration of nuclei |
| | 113 | With electrostatic voltage generating means |
| | 114 | Self-contained neutron sources (e.g., neutron or accelerator tube) |
| | 115 |  With cooled electrodes or target |
| | 116 | With ion beam collimator or filtering structure (e.g., extractor electrode) |
| | 117 | With ion beam collimator or filtering structure |
| | 118 | Subterranean sources |
| | 119 | With control circuitry |
| | 120 | Including bunched particle beam |
| | 121 | Magnetic confinement of plasma |
| | 122 | Plasma formed in situ by laser |
| | 123 | Principal heating by wave energy |
| | 125 | Imploding liners |
| | 126 | With enveloping charged particle confinement (e.g., E or P layer) |
| | 127 | With injection of electrically charged or accelerated particles |
| | 131 | Auxiliary heating |
| | 133 | Toroidal confinement of plasma |
| | 139 | Linear confinement |
| | 142 | Magnetic structure |
| | 143 | With circuitry |
| | 144 | Plasma formed between spaced electrodes |
| | 146 | Including removal or use of impurities or reaction products (e.g., energy) |
| | 147 | Direct conversion of energy |
| | 148 | Including use of heat or radiation to effect a chemical reaction |
| | 149 | Shock wave heating of plasma or gas (e.g., MHD heating) |
| | 150 | Chamber structure or material |
| | 151 | Fusion targets or pellets |
| | 153 | DETECTION OF RADIATION BY AN INDUCED NUCLEAR REACTION |
| | 156 | NUCLEAR TRANSMUTATION (E.G., BY MEANS OF PARTICLE OR WAVE ENERGY) |
| | 157 | Gamma or charged particle activation analysis |
| | 158 | By neutron bombardment |
| | 159 | Neutron activation analysis |
| | 168 | Halogens |
| | 170 | Actinides |
| | 171 | Breeder or converter reactor structures |
| | 172 |  Fertile fuel assembly structure or arrangement |
| | 174 | Having particular coolant fluid flow path or pattern within reactor core |
| | 175 |  Orifice or fluid control at inlet or outlet of coolant channels |
| | 177 | Plural coolant loops or passes through reactor core |
| | 178 | Fuel assembly holddown or support |
| | 179 | Coolant manipulated and used exterior of reactor core |
| | 180 | Formation of uranium isotopes |
| | 182 | Formation of plutonium isotopes |
| | 183 | Doping of semiconductors |
| | 184 | Rare earths |
| | 185 | Alkali and alkaline elements |
| | 186 | Molybdenum, technetium |
| | 187 | Lead, polonium, bismuth |
| | 188 | Sulfur, phosphorus |
| | 189 | With reaction product treatment (e.g., recovery, separation) |
| | 190 | By charged particle bombardment |
| | 191 | Alpha-neutron sources |
| | 192 | To produce spallation reactions |
| | 194 | Proton bombardment |
| | 196 | Alpha (helium nucleus) bombardment |
| | 197 | Wherein the reaction product is an actinide or transuranium element |
| | 198 | With reaction product treatment (e.g., recovery, separation) |
| | 199 | Deuteron bombardment |
| | 202 | Irradiation capsule, holder, or support |
| | 203 | SEAL ARRANGEMENTS |
| | 207 | WITH CONTROL OF REACTOR (E.G., CONTROL OF COOLANT FLOW) |
| | 208 | Pulsed reactors |
| | 209 | Spectral shift |
| | 210 | By coolant flow |
| | 212 | By altering quantity of characteristic of fuel within critical area |
| | 214 | Reactor start-up |
| | 215 | By electronic signal processing circuitry (e.g., plural redundant circuits) |
| | 219 | By movement of control element or by release of neutron absorbing material |
| | 220 | Wherein the control element is a reflector or moderator material |
| | 223 | Rotatable control elements |
| | 224 | Finger-type control elements (insertable into fuel element positions) |
| | 226 | Wherein control element is driven directly into bed of fuel elements |
| | 227 | Control element movable by means of cable and winch, chains or reels |
| | 228 | Wherein driver or motivating is electric |
| | 230 | Wherein driver or motivating is fluid |
| | 232 | By motion transforming means, e.g., rack and pinion |
| | 233 | Releasable coupling |
| | 234 | Including shock absorber |
| | 235 | Means for locking control element in desired position |
| | 236 | Including control rod insertion and removal schemes |
| | 239 | Rod or support carrying plural elements or diverse materials |
| | 240 | Sensing or detecting device attached to, embedded in, or integral with control element |
| | 241 | Power output control (e.g., load follows with steam dump) |
| | 242 | Means to inhibit control rod movement |
| | 243 | With cooling of control element |
| | 244 | Temperature reactivity control |
| | 245 | TESTING, SENSING, MEASURING, OR DETECTING A FISSION REACTOR CONDITION |
| | 246 | Flowmeters |
| | 247 | Temperature or pressure measurement |
| | 248 | Optics |
| | 249 | Vessel monitoring or inspection |
| | 250 | Leak detection |
| | 254 | Flux monitoring |
| | 256 | Gas sensors (e.g., hydrogen detectors) |
| | 257 | Fuel assay (e.g., burnup) |
| | 258 | Position detection |
| | 259 | By particular instrumentation circuitry |
| | 260 | HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM |
| | 261 | Fuel component |
| | 262 | Including handling of a second different, diverse reactor component (e.g., control element, moderator element, vessel cover removal) |
| | 264 | Charging or discharging of fuel |
| | 268 | Refueling machines |
| | 272 | Storage container systems for new and/or irradiated core elements |
| | 273 | SUBTERRANEAN REACTOR STRUCTURES (E.G., UNDERGROUND CONTAINMENT, UNDERGROUND EXPLOSIVE) |
| | 274 | For minimizing radioactive contamination within an underground chamber or of the material removed therefrom |
| | 275 | For extracting materials or energy from the earth |
| | 277 | REACTOR PROTECTION OR DAMAGE PREVENTION |
| | 278 | By minimizing positive coolant void coefficient |
| | 279 | Fire extinguishing or prevention |
| | 280 | Core catchers |
| | 281 | Fluid flow reversal protection |
| | 282 | Emergency core coolant systems (e.g., injecting coolant into reactor or pipe systems) |
| | 283 | Pressure suppression and relief |
| | 285 | Expansion means (e.g., shock absorbers, roller bearings) |
| | 287 | Shield or barrier between radiation or heat source and object to be protected (e.g., insulation, thermal shield) |
| | 288 | Particular materials |
| | 289 | Thermal insulation |
| | 290 | 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 | Concentric tubes or conduits with insulation |
| | 292 | Concentric tubes or conduits |
| | 293 | Containment structures |
| | 297 | With turbine protection means (e.g., turbine trip or overspeed protection means) |
| | 298 | Auxiliary heat removal structure |
| | 300 | Recombiners |
| | 302 | Core restraint means |
| | 305 | Corrosion or damage prevention |
| | 307 | With pressurizer means |
| | 308 | FISSION REACTOR MATERIAL (INCLUDING REACTION PRODUCTS) TREATMENT |
| | 317 | COMBINED |
| | 318 | With propulsion means |
| | 320 | With direct conversion means |
| | 322 | For storing excess energy |
| | 323 | With chemical reaction |
| | 326 | With laser |
| | 327 | CONTROL COMPONENT FOR A FISSION REACTOR |
| | 328 | Liquid control component |
| | 331 | Gaseous control component |
| | 332 | Telescopic control devices |
| | 333 | Wherein concentration of the reactivity affecting material varies radially or axially of the control element |
| | 335 | Flexible control element |
| | 336 | Fuse actuated devices |
| | 338 | Particulate type (e.g., balls) |
| | 339 | Nonconventional control material |
| | 340 | REACTOR STRUCTURES WITH TESTING OR IRRADIATION FACILITIES |
| | 341 | With material holder or support positioned outside the radiation source |
| | 342 | With provision for insertion of material to be irradiated into the radiation means |
| | 346 | EPI-THERMAL REACTOR STRUCTURES (E.G., INTERMEDIATE NEUTRON SPECTRUM) |
| | 347 | REACTOR STRUCTURES |
| | 348 | Fast thermal composite core |
| | 349 | Flux flattening |
| | 350 | Moderator component varies in its effective density or materials |
| | 352 | Orifice or fluid control at inlet or outlet of coolant channels |
| | 353 | With particular control rod guide structure |
| | 354 | Fuel material in contact with and supported by fluid |
| | 355 | Fluidized beds |
| | 356 | Fuel dispersed in liquid moderator, solution, etc. |
| | 357 | Vapor forming, separating, or manipulating |
| | 358 | With particular in situ reconstitution or modification of fuel moderator material |
| | 359 | Fuel in molten state or in molten vehicle |
| | 361 | Circulating fluid within reactor |
| | 362 | Fuel assembly supports |
| | 366 | Plural fluids or a fluid in plural phases circulating within reactor (e.g., pressure tube reactors) |
| | 367 | In heat pipe means |
| | 368 | Including chemically distinct gas |
| | 370 | With formation, separation, or manipulation of a vapor (e.g., boiling water reactor (BWR) type) |
| | 371 | With vapor-liquid separating means |
| | 372 | With jet pump |
| | 373 | Having specified fluid flow path or pattern within reactor core |
| | 374 | Plural separate coolant loops through reactor core |
| | 375 | With plural, coolant passes through reactor core |
| | 377 | With particular flow directing or diverting means (e.g., flow baffle) |
| | 378 | Vapor manipulated or used exterior of reactor core |
| | 380 | Nonaqueous vapor |
| | 381 | Pebble bed reactor |
| | 383 | Fluid is a gas |
| | 384 | Wherein the gas is steam |
| | 385 | Having specified flow path or pattern within reactor core |
| | 386 | Plural separate loops |
| | 387 | Plural passes through core |
| | 389 | With particular flow directing or diverting means (e.g., flow baffle) |
| | 391 | Manipulated or used exterior of the reactor core |
| | 395 | Having specified fluid flow path or pattern within reactor core |
| | 396 | Plural separate coolant loops through reactor core |
| | 397 | Plural passes |
| | 399 | With particular flow directing or diverting means (e.g., flow baffle) |
| | 401 | One-fluid-type pressure tube reactor |
| | 402 | Manipulated or used exterior of reactor core |
| | 409 | FUEL COMPONENT STRUCTURE |
| | 410 | With means to prevent thinning of the cladding (e.g., amoeba effect) |
| | 411 | Spherical particles |
| | 412 | Encased with nonfuel component |
| | 413 | With internal pressurizer |
| | 414 | Coated, preformed, or impregnated layer or part or adhesively bonded layers or parts |
| | 418 | Getter, fission product retainer of filter |
| | 419 | Burnable poison |
| | 420 | Interpellet spacing or positioning means |
| | 421 | Homogeneously intermixed |
| | 423 | Moderator or reflector |
| | 424 | Coolant or heat exchange material |
| | 425 | Heat insulating material |
| | 426 | Plural fuel segments or elements |
| | 427 | In solid moderator block |
| | 428 | Wherein the fissile content varies radially or axially within the same container (e.g., plural fuel layers) |
| | 429 | Complementary segments within same container |
| | 430 | Spherically shaped segments within same container |
| | 431 | Concentric cylindrical elements |
| | 432 | Plate-type fuel elements |
| | 433 | Stacked (e.g., Candu type reactor fuel components) |
| | 434 | In pack or bundle |
| | 435 | Wherein the fissile content varies radially or axially across the pack or bundle |
| | 436 | Wire-wrapped fuel elements |
| | 437 | Having the fuel element ends positioned on or attached to rails |
| | 438 | Including grid |
| | 439 | With coolant flow path deflecting means |
| | 440 | For ends of fuel elements |
| | 441 | With nonintegral fuel element contacting means |
| | 442 | With fuel element contacting protuberance or projection |
| | 443 | With coolant flow path deflecting means |
| | 445 | With thermal expansion compensating means |
| | 446 | With removable member |
| | 447 | Including separate burnable poison or moderator |
| | 448 | With means for spacing apart adjacent packs or bundles |
| | 449 | Having provision or structure for insertion of control elements therein |
| | 450 | With condition sensing or indicating means |
| | 451 | Having particular end closure or seal (e.g., weld, plug, cap, etc.) |
| | 453 | Fuel support or covering provided with fins, projections, prongs, etc.) |
| | 455 | Hollow, annular, or graduated fuel layers or members (e.g., concentric, helical, etc.) |
| | 456 | Vented fuel |
| | 457 | Nonconventional jacket or can material |
| | 458 | MODERATOR OR REFLECTOR COMPONENT STRUCTURE FOR A FISSION REACTOR |
| | 460 | ROTATING PLUG-TYPE COVER |
| | 461 | VESSEL SUPPORT (E.G., CORE VESSEL SUPPORTS) |
| | 462 | GRIDS |
| | 463 | MISCELLANEOUS |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 900 | PARTICULAR MATERIAL OR MATERIAL SHAPES FOR FISSION REACTORS |
| | 908 | REACTOR GEOMETRY (OR PART THEREOF) DEFINED IN TERMS OF NUMERICAL VALUES |
| | 909 | MOBILE REACTORS |
| | 910 | ROTATING REACTORS |
| | 911 | PLURAL REACTOR SYSTEMS |
| | 912 | NUCLEAR REACTOR SYSTEMS SITUATED IN THE OCEAN |
| | 913 | ANTIMATTER DEVICES AND METHODS |
| | 914 | NUCLEAR EXPLOSIVES |
| | 915 | FUSION REACTOR FUELS |
| | 916 | METHODS OF MAKING FUSION FUEL TARGETS |
| | 917 | UTILIZING DIFFERENT FUELS OR FUELS IN DIFFERENT FORMS, IN DIFFERENT REACTOR REGIONS IN RELATION TO AMOUNTS OF HEAT PRODUCED IN SAID REGIONS |
| | 918 | ENTIRE REACTOR CORE OF SINGLE INTEGRAL STRUCTURE |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |