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Class Information
Number: 976/DIG.349
Name: Nuclear technology > Transportable or portable shielded containers [g21f-5/00] > Closures for containers or corresponding sealing arrangements [g21f-5/00j]

Patents under this class:
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Patent Number Title Of Patent Date Issued
4893022 Closure for casks containing radioactive materials Jan. 9, 1990
4883637 Closure arrangement for spent nuclear fuel shipping containers Nov. 28, 1989
4874573 Lid arrangement Oct. 17, 1989
4872563 Protective enclosure for hazardous material primary containers Oct. 10, 1989
4847009 Method and device for the loading and sealing of a double container system for the storage of radioactive material and a seal for the double container system Jul. 11, 1989
4826035 Pressure-regulating device for use in storage, transportation and disposal of hazardous wastes May. 2, 1989
4825088 Lightweight titanium cask assembly for transporting radioactive material Apr. 25, 1989
4818878 Double-container unit for transporting and storing radioactive waste Apr. 4, 1989
4788438 Container having engaging abutments thereon Nov. 29, 1988
4784709 Seamless overpack and spin welding apparatus for making same Nov. 15, 1988
4775074 Mechanical lock for vessels Oct. 4, 1988
4764333 End closures for containers Aug. 16, 1988
4756852 Method of installing a vent in a nuclear waste storage system Jul. 12, 1988
4754894 Waste container Jul. 5, 1988
4751040 Means and techniques useful in the monitoring and accountability of radioactive materials Jun. 14, 1988
4738388 Process for sealing a container for storing radioactive material and container for implementing the process Apr. 19, 1988
4728136 Grapple and lift beams for high integrity containers for radioactive waste Mar. 1, 1988
4720994 Method and apparatus for the detectable release of gases Jan. 26, 1988
4709833 Rotationally molded salvage drum and recessed lid Dec. 1, 1987
4700863 Seal welded cast iron nuclear waste container Oct. 20, 1987
4696787 Monitoring pressure within a vessel Sep. 29, 1987
4673814 Container for receiving and safely storing radioactive materials and method for tightly sealing the same Jun. 16, 1987
4665668 Personal time capsule May. 19, 1987
4658251 Heat seal monitoring devices for a container, which more particularly contains calogenic material Apr. 14, 1987
4657154 Container having a latchable cover Apr. 14, 1987
4636645 Closure system for a spent fuel storage cask Jan. 13, 1987
4626380 Transport and storage container for radioactive waste Dec. 2, 1986
4596688 Container for the long-term storage of radioactive materials Jun. 24, 1986
4594214 Container for storing radioactive materials Jun. 10, 1986
4582668 Waste container closure mechanism Apr. 15, 1986
4580694 Sealing mechanism for a double-lid seal structure Apr. 8, 1986
4567014 Container for transporting and storing nuclear reactor fuel elements Jan. 28, 1986
4528454 Radiation-shielding transport and storage container Jul. 9, 1985
4508969 Device for holding, transporting and final storing of burned-out reactor fuel elements Apr. 2, 1985
4495139 Radioactive-waste container with leak monitor Jan. 22, 1985
4477731 Self-closing shielded container for use with radioactive materials Oct. 16, 1984
4474727 Arrangement for storing spent nuclear fuel rods at a reactor site Oct. 2, 1984
4465201 Conical O-ring seal Aug. 14, 1984
4456827 Transportation and/or storage containers for radioactive material Jun. 26, 1984
4447733 Radiation-shielding transport and storage container and method of packaging radioactive material May. 8, 1984
4447729 Transport containers for radioactive material May. 8, 1984
4445042 Radiation-shielding transport and storage container Apr. 24, 1984
4437578 Container and closure means for storage of radioactive material Mar. 20, 1984
4427222 Device for the tight joining of two parts Jan. 24, 1984
4382512 Container system for dangerous materials May. 10, 1983
4381844 Lid seal for nuclear waste containers May. 3, 1983
4320847 Container for receiving and storing spent fuel elements Mar. 23, 1982
4310034 Joining apparatus between a transportation container and a horizontal wall of a discharge Jan. 12, 1982
4302680 Cover construction for shielding containers for the storage and transporation of irradiated fuel elements Nov. 24, 1981
4278892 Radioactivity-shielding transport or storage receptacle for radioactive wastes Jul. 14, 1981

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