GOODRICH PUMP AND ENGINE CONTROL SYSTEMS, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0113,559 Overspeed limiter for turboshaft enginesAbandonedJun 03, 05May 24, 07[F02C]
2007/0081,909 Hydraulic lock for axial motion output deviceAbandonedMay 25, 06Apr 12, 07[F04B]
2007/0000,253 Variable jet mixer for improving the performance of a fixed displacement fuel pumpAbandonedJun 29, 06Jan 04, 07[F02C]
2005/0100,447 Flow control system for a gas turbine engineAbandonedNov 11, 03May 12, 05[F04B]
2003/0093,211 Method of engine surge discriminationAbandonedJul 12, 02May 15, 03[G06F]
5020316 Helicopter control with multiple schedule rotor speed decay anticipatorExpiredMay 19, 89Jun 04, 91[F02C]
4969444 Transfer system for combustion engine fuel control devicesExpiredMay 22, 89Nov 13, 90[F02M, F02C]
4804313 Side channel self priming fuel pump having reservoirExpiredMar 24, 87Feb 14, 89[F04D]
4793133 Manual backup for electronic fuel controlExpiredOct 28, 83Dec 27, 88[F02C]
4736155 Transducer temperature control circuit and methodExpiredMar 06, 87Apr 05, 88[G01L, H03H]
4736331 Helicopter power available to hover indicatorExpiredFeb 05, 86Apr 05, 88[G01C]
4643635 Vapor core centrifugal pump having main and low flow impellersExpiredJul 02, 84Feb 17, 87[F04D]
4629394 Centrifugal pump having low flow diffuserExpiredJul 25, 83Dec 16, 86[F04D]
4608880 Push pull multiplier linkageExpiredNov 05, 84Sep 02, 86[G05G, F02C]
4605235 High thrust capacity shaft seal assembly for fuel pumpsExpiredSep 12, 84Aug 12, 86[F16J]
4578945 Overspeed limiter for gas turbine fuel controlExpiredNov 10, 83Apr 01, 86[F02C]
4537025 Electronic fuel control with manual training modeExpiredJun 25, 84Aug 27, 85[F02C]
4500966 Super contingency aircraft engine controlExpiredMay 26, 82Feb 19, 85[G05B, G06F, F02C]
4493465 Helicopter engine torque compensatorExpiredApr 16, 82Jan 15, 85[B64C]
4493623 Oil lubricated main drive shaft for fuel pumpExpiredFeb 22, 83Jan 15, 85[F04C]

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