Novatome

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5013521 Internal shell of a fast-neutron nuclear reactor comprising a thermal protection deviceExpiredJun 08, 89May 07, 91[G21C]
4960152 Device for compensating by supplying a measured amount of fluid and its application for replenishing a hydraulic circuitExpiredMay 08, 89Oct 02, 90[F16K]
4948555 Removal device for controlling the flow rate of coolant fluid in a fast-neutron nuclear reactor assembly and corresponding control process and assemblyExpiredOct 14, 88Aug 14, 90[G21C]
4927597 Device for cooling the main vessel of a fast neutron nuclear reactor cooled by a liquid metalExpiredFeb 21, 89May 22, 90[G21C]
4851186 Nuclear reactor core and process for charging said coreExpiredJan 21, 88Jul 25, 89[G21C]
4832904 Emergency cooling device for a fast neutron nuclear reactorExpiredAug 20, 87May 23, 89[G21C]
4828788 Support device for a discharge tank associated with a suspended pump of a nuclear reactorExpiredMay 18, 87May 09, 89[G21C]
4803041 Process for the recycling of nuclear fuel pellets previously irradiated in a fast neutron nuclear reactorExpiredNov 06, 86Feb 07, 89[G21C]
4786463 Emergency heat exchanger for cooling the primary fluid of a nuclear reactor, and a process for assembling this heat exchangerExpiredJul 25, 85Nov 22, 88[G21C]
4786464 Cover plug of the core of a fast neutron nuclear reactorExpiredMay 05, 87Nov 22, 88[G21C]
4738698 Finned liquid particles separatorExpiredMay 14, 87Apr 19, 88[B01D]
4730493 Process and device for ultrasonic detection of gas bubbles in a liquid metalExpiredSep 30, 86Mar 15, 88[G01H]
4724799 Steam generator in which the heat-carrying fluid is a liquid metal and the detection of leakages is carried out by sampling this liquid metalExpiredJan 27, 86Feb 16, 88[G01M, F28D, F22B]
4714229 Anti-vibratory support device for a pipe whose thickness is small relative to the diameterExpiredApr 26, 85Dec 22, 87[F16L]
4713214 Device for purifying liquid metal coolant for a fast neutron nuclear reactorExpiredOct 13, 83Dec 15, 87[G21C]
4694864 Double-wall tube for a heat exchangerExpiredApr 29, 85Sep 22, 87[F16L]
4676947 Device for thermal protection of a component of a fast-neutron nuclear reactorExpiredOct 29, 84Jun 30, 87[G21C]
4639350 Cover-plug for the core of a fast neutron nuclear reactorExpiredOct 13, 83Jan 27, 87[G21C]
4624217 Steam generators having a central body of the sodium-water typeExpiredApr 29, 85Nov 25, 86[F22B]
4612976 Steam generator for a nuclear reactor cooled with liquid metalExpiredFeb 09, 84Sep 23, 86[F28F]

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