Jeumont-Schneider Industrie

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5449180 Safety device for primary pumpJan 21, 93Sep 12, 95[F16J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5374145 Devices for anchoring one part relative to anotherExpiredOct 13, 92Dec 20, 94[B23P, F16B, B25G]
5127941 Process and device for separating the constituents of an alloyExpiredJun 21, 90Jul 07, 92[C22B]
4899211 Semiconductor cooling mechanismsExpiredJan 12, 87Feb 06, 90[H01L]
4778098 Process for mechanical/welded assembly of chassis elements for railway vehiclesExpiredNov 18, 86Oct 18, 88[B23K]
4739631 Adsorption-desorption thermic machineExpiredJul 22, 86Apr 26, 88[F25B]
4725939 System for supply of direct current to at least two electrical loads with a common polarity, in particular for multiple electric arcsExpiredOct 01, 86Feb 16, 88[H02M]
4710721 Apparatus for monitoring the period of separation of impulsesExpiredFeb 20, 86Dec 01, 87[H03K, G01R]
4704578 Thermal compensation method for a magnetic circuit having an oscillating circuit with an inductance coilExpiredApr 12, 85Nov 03, 87[H03L, B61L, G01R, H01F]
4701632 Logic circuit producing a direct-current output signal of determined maximum intensityExpiredMar 07, 86Oct 20, 87[H03K]
4691325 Control apparatus for a direct current arc furnaceExpiredFeb 20, 86Sep 01, 87[H05B]
4677316 Logic circuit with threshold and built-in safetyExpiredOct 10, 84Jun 30, 87[H03K]
4668037 Hermetic passage for an enclosure, especially a housing for semiconductorsExpiredSep 26, 83May 26, 87[H01J, H01R, H01B]
4649469 Interface for connecting a computer system to an activator moduleExpiredFeb 01, 84Mar 10, 87[H02J, G05B, G06F]
4642553 Commutator containing a semiconductor with unidirectional current and bidirectional voltage, and with controlled interruption and automatic ignitionExpiredApr 19, 85Feb 10, 87[H03K]
4618471 Electromagnetic safety device of a screw/nut typeExpiredOct 13, 83Oct 21, 86[G21C]
4611275 Time sharing device for access to a main memory through to a single bus connected between a central computer and a plurality of peripheral computersExpiredFeb 21, 84Sep 09, 86[G06F]
4559460 Total security time-delay circuitExpiredMar 28, 83Dec 17, 85[H03K]
4530567 Rotary optical connectorExpiredMay 13, 82Jul 23, 85[G02B]
4529172 Method and means for installing a cable within a conduitExpiredApr 04, 83Jul 16, 85[H02G]
4518908 Control circuit of a synchronous motor with two induction windingsExpiredSep 13, 83May 21, 85[H02P]

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