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Browse by Category: Main > Chemistry
Class Information
Number: 55/DIG.9
Name: Gas separation > Radioactive filters
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
6716261 Criticality safe vacuum and safe geometry transport vehicle Apr. 6, 2004
6537350 HEPA filter encapsulation Mar. 25, 2003
6471747 Method and apparatus for delivering and recovering gasses Oct. 29, 2002
5743925 Compact cyclone filter train for radiological and hazardous environments Apr. 28, 1998
5389166 Water barrier formed from a clay-fiber mat Feb. 14, 1995
5346565 Water barrier of water-swellable clay sandwiched between interconnected layers of flexible fabric needled together using a lubricant Sep. 13, 1994
5346566 Water barrier of water-swellable clay or other abrasive material sandwiched between interconnected layers of flexible fabric sewn or needled together using a lubricant and/or a liquid adhesive Sep. 13, 1994
5273561 Critically safe volume vacuum pickup for use in wet or dry cleanup of radioactive enclosures Dec. 28, 1993
5237945 Water barrier formed from a clay-fiber mat Aug. 24, 1993
5223209 Method for pressure relief of the containment of a nuclear power plant Jun. 29, 1993
5198128 Waste disposal site, in particular for the ultimate disposal of radioactive substances Mar. 30, 1993
5198006 Ceramic filter for a dust-containing gas and method for its production Mar. 30, 1993
5151116 Sorption column for waste-gas cleaning Sep. 29, 1992
5131931 Filter systems Jul. 21, 1992
5098454 Filtering cartridge, obtained by wet process, for the filtration of gases, particularly hot and/or radio-active and/or corrosive gases Mar. 24, 1992
5073178 Ceramic filter for a dust-containing gas and method for its production Dec. 17, 1991
4863677 Nuclear power plant having a containment Sep. 5, 1989
4816209 Method and apparatus for separating radioactive constituents from gas or vapors escaping accidentally from nuclear reactors Mar. 28, 1989
4793831 Process for purifying flue gases Dec. 27, 1988
4773922 Remotely serviced filter and housing Sep. 27, 1988
4695299 Method and apparatus for in-cell vacuuming of radiologically contaminated materials Sep. 22, 1987
4691425 Method and apparatus for replacing a filter in a vessel Sep. 8, 1987
4584004 Dust collector Apr. 22, 1986
4562000 Process for the separation of krypton from a radioactive waste gas mixture and arrangement for implementing the process Dec. 31, 1985
4521234 Housing for high efficiency particulate air filters Jun. 4, 1985
4515007 Method of and apparatus for testing the integrity of filters May. 7, 1985
4500328 Bonded carbon or ceramic fiber composite filter vent for radioactive waste Feb. 19, 1985
4497642 Filter assembly Feb. 5, 1985
4483273 Shelter pressurization and filter installation Nov. 20, 1984
4473529 Device for collecting purge liquids and gases in an installation containing substances which may possess a certain degree of radioactivity Sep. 25, 1984
4459140 Filter apparatus Jul. 10, 1984
4450964 Protective plastic bag and method of utilizing the same to remove articles from a hepa filter housing May. 29, 1984
4444575 Filter system Apr. 24, 1984
4426214 Laminated filters Jan. 17, 1984
4378983 Housing for mounting HEPA filters Apr. 5, 1983
4372853 Removable, hermetically-sealing, filter attachment system for hostile environments Feb. 8, 1983
4369048 Method for treating gaseous effluents emitted from a nuclear reactor Jan. 18, 1983
4342574 Hot gas filter Aug. 3, 1982
4338102 Device for removing radioactive particles in moist gas Jul. 6, 1982
4334896 Filter replacement process and apparatus Jun. 15, 1982
4334900 Filter elements arranged in waste tanks for separating substances which are harmful to the health from flowing air in connection with nuclear installations Jun. 15, 1982
4331460 Mist collector for separating drops of liquid from streams of gas for vapor May. 25, 1982
4308105 Method of and apparatus for decontamination of radioactive waste water Dec. 29, 1981
4305740 Filter material charging apparatus Dec. 15, 1981
4290785 Dust collector and method of operation Sep. 22, 1981
4277256 Process for the purification of gases containing radioactive substances Jul. 7, 1981
4276063 Gas scrubbing liquids Jun. 30, 1981
4273652 Installation for filtration of a contaminated fluid Jun. 16, 1981
4266955 Particle-in-gas filtration May. 12, 1981
4265707 Method and apparatus for separating fission and activation products from gas atmospheres May. 5, 1981

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