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Class   976NUCLEAR TECHNOLOGY
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DIGESTS
 
[List of Pre Grant Publications for class 976 subclass DIG1][List of Patents for class 976 subclass DIG1] DIG1 ALLEGED CONTROLLED FUSION REACTORS (G21B-1/00) ** (UNCONTROLLED REACTORS DIG. 423; ARRANGEMENTS FOR HEATING OR CONFINING PLASMA H05H-1/02)
 [List of Pre Grant Publications for class 976 subclass DIG2][List of Patents for class 976 subclass DIG2] DIG2 Subclass DIG2 indent level is 1 Combined fission-fusion reactors [G21B-1/00B] *** (see also DIG. 5+)
 [List of Pre Grant Publications for class 976 subclass DIG3][List of Patents for class 976 subclass DIG3] DIG3 Subclass DIG3 indent level is 1 Inertial confinement fusion reactor [G21B-1/00C] *** (plasma produced by laser H05H-1/22B; by particle beam H05H-1/22C)
 [List of Pre Grant Publications for class 976 subclass DIG4][List of Patents for class 976 subclass DIG4] DIG4 Subclass DIG4 indent level is 1 Using a beam of particles some of which react with other particles [G21B-1/02]
[List of Pre Grant Publications for class 976 subclass DIG5][List of Patents for class 976 subclass DIG5] DIG5 NUCLEAR REACTORS [G21C-1/00] *** (FUSION REACTORS H05H-1/00; NUCLEAR EXPLOSIVES DIG. 423; ANALOGUE COMPUTERS THEREFOR G06G-7/54)
[List of Pre Grant Publications for class 976 subclass DIG6][List of Patents for class 976 subclass DIG6] DIG6 Subclass DIG6 indent level is 1 Integral reactors (i.e., the reactor core and the heat exchanger are placed in one vessel; the reactor vessel and the heat exchanger form an integral construction) [G21C-1/00B]
 [List of Pre Grant Publications for class 976 subclass DIG7][List of Patents for class 976 subclass DIG7] DIG7 Subclass DIG7 indent level is 2 Where the prime mover is also placed in the vessel [G21C-1/00B2]
 [List of Pre Grant Publications for class 976 subclass DIG8][List of Patents for class 976 subclass DIG8] DIG8 Subclass DIG8 indent level is 2 Where the heat exchanger is disposed above the core [G21C-1/00B3]
 [List of Pre Grant Publications for class 976 subclass DIG9][List of Patents for class 976 subclass DIG9] DIG9 Subclass DIG9 indent level is 2 Where the heat exchanger is disposed beneath the core [G21C-1/00B4]
 [List of Pre Grant Publications for class 976 subclass DIG10][List of Patents for class 976 subclass DIG10] DIG10 Subclass DIG10 indent level is 2 Where the heat exchanger is disposed beside the core [G21C-1/00B5]
[List of Pre Grant Publications for class 976 subclass DIG11][List of Patents for class 976 subclass DIG11] DIG11 Subclass DIG11 indent level is 1 Fast fission reactors (i.e., reactors not using a moderator; metal cooled reactors; fast breeders) [G21C-1/02]
[List of Pre Grant Publications for class 976 subclass DIG12][List of Patents for class 976 subclass DIG12] DIG12 Subclass DIG12 indent level is 2 Characterized by the concept and properties of the core [G21C-1/02B]
 [List of Pre Grant Publications for class 976 subclass DIG14][List of Patents for class 976 subclass DIG14] DIG14 Subclass DIG14 indent level is 2 Cooled by a not essentially pressurized coolant (e.g., tub type) [G21C-1/02D] *** (cooling arrangements DIG. 187+)
 [List of Pre Grant Publications for class 976 subclass DIG15][List of Patents for class 976 subclass DIG15] DIG15 Subclass DIG15 indent level is 2 Cooled by a pressurized coolant [G21C-1/02F] *** (cooling arrangements DIG. 187+)
[List of Pre Grant Publications for class 976 subclass DIG16][List of Patents for class 976 subclass DIG16] DIG16 Subclass DIG16 indent level is 1 Thermal reactors; Epithermal reactors [G21C-1/04]
[List of Pre Grant Publications for class 976 subclass DIG17][List of Patents for class 976 subclass DIG17] DIG17 Subclass DIG17 indent level is 2 Heterogeneous reactors (i.e., in which the fuel and moderator are separated) [G21C-1/06]
[List of Pre Grant Publications for class 976 subclass DIG31][List of Patents for class 976 subclass DIG31] DIG31 Subclass DIG31 indent level is 2 Homogeneous reactors (i.e., in which the fuel and moderator present an effectively homogeneous medium to the neutrons) [G21C-1/24]
[List of Pre Grant Publications for class 976 subclass DIG34][List of Patents for class 976 subclass DIG34] DIG34 Subclass DIG34 indent level is 1 Subcritical reactors; Experimental reactors with exception of swimming-pool reactors, zero-energy reactors [G21C-1/30]
 [List of Pre Grant Publications for class 976 subclass DIG35][List of Patents for class 976 subclass DIG35] DIG35 Subclass DIG35 indent level is 2 Experimental and irradiation arrangements inside the reactor [G21C-1/30B] *** (irradiation loops DIG. 36; material testing by neutrons G01N-23/00B)
 [List of Pre Grant Publications for class 976 subclass DIG36][List of Patents for class 976 subclass DIG36] DIG36 Subclass DIG36 indent level is 2 Irradiation loops [G21C-1/30D]
[List of Pre Grant Publications for class 976 subclass DIG37][List of Patents for class 976 subclass DIG37] DIG37 REACTOR FUEL ELEMENTS AND THEIR ASSEMBLIES; SELECTION OF SUBSTANCES FOR USE AS REACTOR FUEL ELEMENTS [G21C-3/00]
[List of Pre Grant Publications for class 976 subclass DIG38][List of Patents for class 976 subclass DIG38] DIG38 Subclass DIG38 indent level is 1 Fuel elements [G21C-3/02] *** (manufacturing DIG. 283)
[List of Pre Grant Publications for class 976 subclass DIG39][List of Patents for class 976 subclass DIG39] DIG39 Subclass DIG39 indent level is 2 Constructional details [G21C-3/04]
 [List of Pre Grant Publications for class 976 subclass DIG54][List of Patents for class 976 subclass DIG54] DIG54 Subclass DIG54 indent level is 2 Elements with fissile or breeder material in contact with coolant [G21C-3/22]
 [List of Pre Grant Publications for class 976 subclass DIG55][List of Patents for class 976 subclass DIG55] DIG55 Subclass DIG55 indent level is 2 Elements with fissile or breeder material in fluid form within a nonactive casing [G21C-3/24]
 [List of Pre Grant Publications for class 976 subclass DIG56][List of Patents for class 976 subclass DIG56] DIG56 Subclass DIG56 indent level is 2 Elements with fissile or breeder material in powder form within a nonactive casing [G21C-3/26] *** (DIG. 57 takes precedence)
 [List of Pre Grant Publications for class 976 subclass DIG57][List of Patents for class 976 subclass DIG57] DIG57 Subclass DIG57 indent level is 2 Elements with fissile or breeder material in solid form within a nonactive casing [G21C-3/28]
[List of Pre Grant Publications for class 976 subclass DIG58][List of Patents for class 976 subclass DIG58] DIG58 Subclass DIG58 indent level is 1 Assemblies of number of fuel elements in the form of a rigid unit [G21C-3/30]
[List of Pre Grant Publications for class 976 subclass DIG59][List of Patents for class 976 subclass DIG59] DIG59 Subclass DIG59 indent level is 2 Bundles of parallel pin-, rod-, or tube-shaped fuel elements [G21C-3/32]
 [List of Pre Grant Publications for class 976 subclass DIG60][List of Patents for class 976 subclass DIG60] DIG60 Subclass DIG60 indent level is 3 Means to influence the coolant flow through or around the assembly [G21C-3/32B] *** (DIG. 246 takes precedence)
 [List of Pre Grant Publications for class 976 subclass DIG61][List of Patents for class 976 subclass DIG61] DIG61 Subclass DIG61 indent level is 3 Coats and envelope surrounding the assembly [G21C-3/32C]
 [List of Pre Grant Publications for class 976 subclass DIG62][List of Patents for class 976 subclass DIG62] DIG62 Subclass DIG62 indent level is 3 Made of moderator-material [G21C-3/32D]
[List of Pre Grant Publications for class 976 subclass DIG63][List of Patents for class 976 subclass DIG63] DIG63 Subclass DIG63 indent level is 3 Comprising fuel-elements of various compositions; comprising other pin-, rod-, or tube-like forms [G21C-3/32G] *** (elements influencing the coolant flow DIG. 60)
[List of Pre Grant Publications for class 976 subclass DIG65][List of Patents for class 976 subclass DIG65] DIG65 Subclass DIG65 indent level is 3 Supporting or hanging the elements in the assembly [G21C-3/32H] *** (Spacer grids DIG. 71); Means forming part of the assembly for inserting it into, or removing it from, the core; Means for coupling adjacent assemblies (means forming part of the element for inserting it into, or removing it from, the core; or means for coupling adjacent elements DIG. 49)
 [List of Pre Grant Publications for class 976 subclass DIG67][List of Patents for class 976 subclass DIG67] DIG67 Subclass DIG67 indent level is 3 Means for the storage or removal of fission gases [G21C-3/32K] *** (means for the storage of fission gases in the elements DIG. 50; means for the removal of fission gases from elements DIG. 39+)
 [List of Pre Grant Publications for class 976 subclass DIG68][List of Patents for class 976 subclass DIG68] DIG68 Subclass DIG68 indent level is 3 Assembling the bundle; Exchange of elements in the bundle [G21C-3/32L]
[List of Pre Grant Publications for class 976 subclass DIG69][List of Patents for class 976 subclass DIG69] DIG69 Subclass DIG69 indent level is 3 Spacer elements [G21C-3/32M] *** (spacer grids DIG. 71)
[List of Pre Grant Publications for class 976 subclass DIG71][List of Patents for class 976 subclass DIG71] DIG71 Subclass DIG71 indent level is 3 Spacer grids; other spacer devices [G21C-3/34]
 [List of Pre Grant Publications for class 976 subclass DIG82][List of Patents for class 976 subclass DIG82] DIG82 Subclass DIG82 indent level is 2 Assemblies of plate-shaped fuel elements or coaxial tubes [G21C-3/36]
 [List of Pre Grant Publications for class 976 subclass DIG83][List of Patents for class 976 subclass DIG83] DIG83 Subclass DIG83 indent level is 1 Fuel units consisting of a single fuel element in a supporting sleeve or in another supporting element [G21C-3/38]
 [List of Pre Grant Publications for class 976 subclass DIG84][List of Patents for class 976 subclass DIG84] DIG84 Subclass DIG84 indent level is 1 Structural combination of fuel element with thermoelectric element for direct production of electric energy from fission heat; or with another arrangement for direct production of electric energy (e.g., a thermionic device) [G21C-3/40] *** (temperature measurement DIG. 236; combination with thermoelements for temperature measurements DIG. 241)
[List of Pre Grant Publications for class 976 subclass DIG85][List of Patents for class 976 subclass DIG85] DIG85 Subclass DIG85 indent level is 1 Selection of substances for use as reactor fuel [G21C-3/42]
[List of Pre Grant Publications for class 976 subclass DIG86][List of Patents for class 976 subclass DIG86] DIG86 Subclass DIG86 indent level is 2 Fluid or fluent reactor fuel [G21C-3/44]
[List of Pre Grant Publications for class 976 subclass DIG93][List of Patents for class 976 subclass DIG93] DIG93 Subclass DIG93 indent level is 2 Solid reactor fuel; Pellets made of fissile material [G21C-3/58]
[List of Pre Grant Publications for class 976 subclass DIG99][List of Patents for class 976 subclass DIG99] DIG99 MODERATOR OR CORE STRUCTURE; SELECTION OF MATERIALS FOR USE AS MODERATOR [G21C-5/00]
[List of Pre Grant Publications for class 976 subclass DIG100][List of Patents for class 976 subclass DIG100] DIG100 Subclass DIG100 indent level is 1 Details [G21C-5/02]
 [List of Pre Grant Publications for class 976 subclass DIG101][List of Patents for class 976 subclass DIG101] DIG101 Subclass DIG101 indent level is 2 Spatial arrangements allowing for Wigner growth [G21C-5/04]
 [List of Pre Grant Publications for class 976 subclass DIG102][List of Patents for class 976 subclass DIG102] DIG102 Subclass DIG102 indent level is 2 Means for locating or supporting fuel elements [G21C-5/06] *** (means forming part of the element DIG. 48)
 [List of Pre Grant Publications for class 976 subclass DIG103][List of Patents for class 976 subclass DIG103] DIG103 Subclass DIG103 indent level is 2 Means for preventing undesired asymmetric expansion of the complete structure (e.g., stretching devices, pins) [G21C-5/08]
 [List of Pre Grant Publications for class 976 subclass DIG104][List of Patents for class 976 subclass DIG104] DIG104 Subclass DIG104 indent level is 2 Means for supporting the complete structure [G21C-5/10] *** (arrangements for supporting vessels and core structure DIG. 168)
[List of Pre Grant Publications for class 976 subclass DIG105][List of Patents for class 976 subclass DIG105] DIG105 Subclass DIG105 indent level is 1 Characterized by composition (e.g., the moderator containing additional substances which ensure improved heat resistance of the moderator [G21C-5/12] *** (purification of fluid moderators during the operation of the reactor DIG. 266)
 [List of Pre Grant Publications for class 976 subclass DIG106][List of Patents for class 976 subclass DIG106] DIG106 Subclass DIG106 indent level is 2 Moderators made of organic materials [G21C-5/12B]
 [List of Pre Grant Publications for class 976 subclass DIG107][List of Patents for class 976 subclass DIG107] DIG107 Subclass DIG107 indent level is 2 Carbonic moderators [G21C-5/12G]
[List of Pre Grant Publications for class 976 subclass DIG108][List of Patents for class 976 subclass DIG108] DIG108 Subclass DIG108 indent level is 1 Characterized by shape [G21C-5/14]
 [List of Pre Grant Publications for class 976 subclass DIG109][List of Patents for class 976 subclass DIG109] DIG109 Subclass DIG109 indent level is 2 Shape of its constituent parts [G21C-5/16]
[List of Pre Grant Publications for class 976 subclass DIG110][List of Patents for class 976 subclass DIG110] DIG110 Subclass DIG110 indent level is 1 Characterized by the provision of more than one active zone [G21C-5/18]
 [List of Pre Grant Publications for class 976 subclass DIG111][List of Patents for class 976 subclass DIG111] DIG111 Subclass DIG111 indent level is 2 Wherein one zone contains fissile material and another zone contains breeder material [G21C-5/20]
 [List of Pre Grant Publications for class 976 subclass DIG112][List of Patents for class 976 subclass DIG112] DIG112 Subclass DIG112 indent level is 2 Wherein one zone is a superheating zone [G21C-5/22]
[List of Pre Grant Publications for class 976 subclass DIG113][List of Patents for class 976 subclass DIG113] DIG113 CONTROL OF NUCLEAR REACTION [G21C-7/00]
 [List of Pre Grant Publications for class 976 subclass DIG114][List of Patents for class 976 subclass DIG114] DIG114 Subclass DIG114 indent level is 1 Flux flattening [G21C-7/00B]
[List of Pre Grant Publications for class 976 subclass DIG115][List of Patents for class 976 subclass DIG115] DIG115 Subclass DIG115 indent level is 1 By using self-regulating properties of reactor materials (e.g., Doppler effect) [G21C-7/02] *** (arrangements that involve temperature stability DIG. 136)
 [List of Pre Grant Publications for class 976 subclass DIG116][List of Patents for class 976 subclass DIG116] DIG116 Subclass DIG116 indent level is 2 Of burnable poisons [G21C-7/04]
[List of Pre Grant Publications for class 976 subclass DIG117][List of Patents for class 976 subclass DIG117] DIG117 Subclass DIG117 indent level is 1 By application of neutron-absorbing material (i.e., material with absorption cross section very much in excess of reflection cross section) [G21C-7/06]
[List of Pre Grant Publications for class 976 subclass DIG118][List of Patents for class 976 subclass DIG118] DIG118 Subclass DIG118 indent level is 2 By displacement of solid control elements (e.g., control rods) [G21C-7/08]