AB Asea-Atom

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5006300 Sealing device for nuclear power reactorExpiredMar 28, 88Apr 09, 91[G21C]
4967699 Steam generatorExpiredMay 20, 88Nov 06, 90[F22B]
4893354 System and method for self-compensating fiber-optic data transmission at temperatures up to 200 degrees C.ExpiredNov 06, 87Jan 09, 90[H04B]
4871508 Method for operation of a light water boiling reactorExpiredNov 30, 87Oct 03, 89[G21C]
4859406 ReactorExpiredDec 03, 87Aug 22, 89[G21C]
4859407 Nuclear reactor fuel assemblyExpiredFeb 03, 88Aug 22, 89[G21C]
4839136 Spacer for nuclear fuel rodsExpiredOct 16, 87Jun 13, 89[G21C]
4826653 Fuel assembly with a water flow separated from the fuel rodsrExpiredAug 07, 87May 02, 89[G21C]
4805951 Gripping mechanismExpiredOct 22, 87Feb 21, 89[B25J, B66C]
4795608 Nuclear fuel assemblyExpiredApr 27, 87Jan 03, 89[G21C]
4786209 Method for maintenance of valves included in a subsea production system for oil and gasExpiredOct 22, 87Nov 22, 88[F16L, B63C]
4786527 Method of applying a layer of ion-exchange resin to a support matrix, permeable to liquid, in a filter elementExpiredApr 24, 87Nov 22, 88[B01D]
4770783 Method of processing waste from a nuclear power plant, said waste comprising ion-exchange resin containing radioactive metalsExpiredJan 14, 87Sep 13, 88[C02F]
4752192 Rotating drum pump having a plurality of fluid driven pistonsExpiredJun 12, 87Jun 21, 88[F04B]
4752440 Control rod for nuclear reactorExpiredJul 08, 87Jun 21, 88[G21C]
4749529 Method of manufacturing sintered nuclear fuel bodiesExpiredSep 15, 86Jun 07, 88[C09K, G21G, G21C]
4749547 Nuclear fuel assemblyExpiredOct 01, 86Jun 07, 88[G21C]
4707328 Fuel assembly for a nuclear reactorExpiredNov 12, 85Nov 17, 87[G21C]
4695426 Spacer for fuel rodsExpiredJul 07, 86Sep 22, 87[G21C]
4673001 Sealing member for a connection piece or a similar connection part for a conduit for liquid or gas on a containerExpiredSep 30, 85Jun 16, 87[F16L]

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