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Class Information
Number: 976/DIG.167
Name: Nuclear technology > Pressure vessels; containment vessels [g21c-13/00] *** (chemical or physical processes b01j-3/00; pressure vessels in general f16j-12/00) > Details (e.g., seals, supporting constructions, ventillating arrangements, tube joints with a vessel wall) [g21c-13/02]
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4976914 |
Device for removing a blower from a gas-cooled nuclear reactor |
Dec. 11, 1990 |
| 4911880 |
Nuclear reactor having a unitary pressure container structure |
Mar. 27, 1990 |
| 4826652 |
Low capacity nuclear reactor housed underground in the cavity of a cylindrical pressure vessel |
May. 2, 1989 |
| 4818469 |
Seal for turning valve bodies, in particular for valves in nuclear-engineering plants |
Apr. 4, 1989 |
| 4788033 |
Calandria |
Nov. 29, 1988 |
| 4786461 |
Reactor internals hold down spring |
Nov. 22, 1988 |
| 4780270 |
Passive shut-down heat removal system |
Oct. 25, 1988 |
| 4752441 |
Modular former for inner barrel assembly of pressurized water reactor |
Jun. 21, 1988 |
| 4735421 |
Sealing apparatus utilizing a conformable member |
Apr. 5, 1988 |
| 4734250 |
Concentric pipe loop arrangement for pressurized water nuclear reactors |
Mar. 29, 1988 |
| 4716010 |
Tooling apparatus for modifying nuclear reactors |
Dec. 29, 1987 |
| 4707327 |
Container system for a high-temperature nuclear reactor |
Nov. 17, 1987 |
| 4696792 |
Nuclear reactor coolant recirculation |
Sep. 29, 1987 |
| 4690795 |
Emergency transfer tube closure and process for sealing transfer tube under emergency conditions |
Sep. 1, 1987 |
| 4671923 |
Holddown spring retention assembly |
Jun. 9, 1987 |
| 4654185 |
Deep beam reactor vessel head and nuclear reactor including same |
Mar. 31, 1987 |
| 4650638 |
Method for eliminating leakage spaces between the partitions surrounding the core of a pressurized water nuclear reactor |
Mar. 17, 1987 |
| 4650639 |
Method and apparatus for eliminating leakage spaces between the partitions surrounding the core of a pressurized water nuclear reactor |
Mar. 17, 1987 |
| 4639351 |
Repair device for a reactor pressure vessel |
Jan. 27, 1987 |
| 4634569 |
Device permitting reduction of thermosiphon effects in fast neutron nuclear reactors |
Jan. 6, 1987 |
| 4591068 |
Core barrel plug |
May. 27, 1986 |
| 4587086 |
Nuclear reactor |
May. 6, 1986 |
| 4576778 |
Core barrel plug |
Mar. 18, 1986 |
| 4470952 |
Floating decontamination apparatus |
Sep. 11, 1984 |
| 4429663 |
Reactor pressure vessel for a boiling-water reactor |
Feb. 7, 1984 |
| 4421715 |
Baffle maintenance apparatus |
Dec. 20, 1983 |
| 4380084 |
Nuclear boiler with dismountable water box |
Apr. 12, 1983 |
| 4308101 |
Fixing means for a substantially cylindrical nuclear reactor pressure vessel with a vertical axis |
Dec. 29, 1981 |
| 4298433 |
Means for supplying feed water to a substantially cylindrical, vertical reactor tank |
Nov. 3, 1981 |
| 4295620 |
Device for anchoring a vessel in a horizontal foundation raft |
Oct. 20, 1981 |
| 4280875 |
Safety device for preventing unscrewing of cylinder-head screws having an inner polygon, and plastic deformation tool for use with the device |
Jul. 28, 1981 |
| 4158605 |
Nuclear core baffling apparatus |
Jun. 19, 1979 |
| 4131509 |
Pressure relief device for a nuclear reactor containment building |
Dec. 26, 1978 |
| 4118277 |
Steel containment for nuclear reactor installations |
Oct. 3, 1978 |
| 4118276 |
Conduit system for gases of high temperature and high pressure |
Oct. 3, 1978 |
| 4100021 |
Nuclear reactor vessel and internals alignment apparatus |
Jul. 11, 1978 |
| 4100019 |
Nozzle seal |
Jul. 11, 1978 |
| 4097332 |
Holddown structure for a nuclear reactor core |
Jun. 27, 1978 |
| 4096034 |
Holddown structure for a nuclear reactor core |
Jun. 20, 1978 |
| 4076524 |
Reduction in swelling of iron caused by irradiation |
Feb. 28, 1978 |
| 4053357 |
Air box shock absorber for a nuclear reactor |
Oct. 11, 1977 |
| 4050986 |
Nuclear reactor I |
Sep. 27, 1977 |
| 4035232 |
Closure system |
Jul. 12, 1977 |
| 4006055 |
Resilient tension device in nuclear reactors |
Feb. 1, 1977 |
| 3994776 |
Nuclear reactor installation |
Nov. 30, 1976 |
| 3977939 |
Nuclear reactor internals arrangement |
Aug. 31, 1976 |
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