Assignee
PORTER CO P L
US·38 granted patents·1,312 citations·filing 1977–1999
Top patents by PatentIndex Score
38 records- 0195US4577730AMechanical lockPORTER CO P L·Filed 1983·Granted Mar 25, 1986·87 cites·22 claims
- 0292US5755493AVehicle seat and system for controlling the samePORTER CO P L·Filed 1997·Granted May 26, 1998·108 cites·11 claims
- 0391US4634182ASeatback recliner mechanism and inertia operated lockPORTER CO P L·Filed 1985·Granted Jan 6, 1987·104 cites·6 claims
- 0485US5778733ASpinning nut linear mechanical lockPORTER CO P L·Filed 1997·Granted Jul 14, 1998·39 cites·23 claims
- 0583US4354398AControl mechanism for hydraulic locking devicePORTER CO P L·Filed 1980·Granted Oct 19, 1982·56 cites·1 claims
- 0680US4099602AHydraulic positioner with bidirectional detenting actionPORTER CO P L·Filed 1977·Granted Jul 11, 1978·57 cites·6 claims
- 0779US6106067ASeat adjustment and dumping mechanism with memory adjustment coordinated with seat positioningPORTER CO P L·Filed 1997·Granted Aug 22, 2000·70 cites·11 claims
- 0877US5651587AVehicle seat and system for controlling the samePORTER CO P L·Filed 1995·Granted Jul 29, 1997·52 cites·16 claims
- 0977US4457406AImproved friction lockPORTER CO P L·Filed 1981·Granted Jul 3, 1984·38 cites·9 claims
- 1074US5794470AMechanical seat lockPORTER CO P L·Filed 1996·Granted Aug 18, 1998·58 cites·8 claims
- 1174US5689995AActuator that adjusts to side loads automatically by pivoting internallyPORTER CO P L·Filed 1996·Granted Nov 25, 1997·23 cites·18 claims
- 1274US5441129APrecision linear mechanical lockPORTER CO P L·Filed 1994·Granted Aug 15, 1995·42 cites·42 claims
- 1372US5002172AElectrically actuated seat actuator and lockPORTER CO P L·Filed 1989·Granted Mar 26, 1991·37 cites·7 claims
- 1471US5887949AVehicle seat and system for controlling the samePORTER CO P L·Filed 1998·Granted Mar 30, 1999·41 cites·7 claims
- 1569US4880084AMechanical linear lock with redundant locking featurePORTER CO P L·Filed 1988·Granted Nov 14, 1989·27 cites·19 claims
- 1668US5568843APrecision linear mechanical lockPORTER CO P L·Filed 1995·Granted Oct 29, 1996·35 cites·37 claims
- 1767US5219045ALinear mechanical lock with one-piece lock housingPORTER CO P L·Filed 1992·Granted Jun 15, 1993·46 cites·9 claims
- 1867US5150771ACoil spring or friction-lock mechanismsPORTER CO P L·Filed 1990·Granted Sep 29, 1992·34 cites·2 claims
- 1965US6161657AMechanical lock with a cam-driven locking pawlPORTER CO P L·Filed 1998·Granted Dec 19, 2000·20 cites·15 claims
- 2063US4411339AFriction lock mechanismsPORTER CO P L·Filed 1982·Granted Oct 25, 1983·25 cites·2 claims
- 2162US4425987ADual rotating mechanical lockPORTER CO P L·Filed 1980·Granted Jan 17, 1984·25 cites·1 claims
- 2259US4685736AInfinitely positionable lock for reclining seatPORTER CO P L·Filed 1986·Granted Aug 11, 1987·20 cites·7 claims
- 2357US4515034AControl mechanism for hydraulic locking devicePORTER CO P L·Filed 1982·Granted May 7, 1985·14 cites·6 claims
- 2453US5806932ASeat adjustment and dumping mechanism with memory of adjustmentPORTER CO P L·Filed 1996·Granted Sep 15, 1998·25 cites·12 claims
- 2551US6116103ADevice for securing gear nut on actuatorPORTER CO P L·Filed 1998·Granted Sep 12, 2000·15 cites·15 claims
- 2649US4759587AManual override for power recliner seat screw jackPORTER CO P L·Filed 1987·Granted Jul 26, 1988·29 cites·11 claims
- 2746US6003394AActuator that adjusts to side loads automatically by pivoting internallyPORTER CO P L·Filed 1997·Granted Dec 21, 1999·20 cites·26 claims
- 2846US5157826AMethod for making linear mechanical lock with one-piece lock housingPORTER CO P L·Filed 1991·Granted Oct 27, 1992·24 cites·22 claims
- 2946US5133245AContinuously adjustable stroke limiter for hydraulic positionerPORTER CO P L·Filed 1991·Granted Jul 28, 1992·19 cites·14 claims
- 3046US4480729AAnti-surge valve for hydraulic locking devicePORTER CO P L·Filed 1979·Granted Nov 6, 1984·11 cites·10 claims
- 3145US5429217AHydraulic positioner with integral continuously adjustable stroke limiterPORTER CO P L·Filed 1993·Granted Jul 4, 1995·17 cites·17 claims
- 3242US6164419AMechanical seat lock with translating rod that does not rotatePORTER CO P L·Filed 1999·Granted Dec 26, 2000·17 cites·13 claims
- 3342US5706705ALow profile push-button mechanical remote controlPORTER CO P L·Filed 1996·Granted Jan 13, 1998·9 cites·7 claims
- 3442US5211379AContinuously self-compensating hydraulic positionerPORTER CO P L·Filed 1991·Granted May 18, 1993·14 cites·6 claims
- 3540US5819881ADual locking linear mechanical lock for high loadsPORTER CO P L·Filed 1995·Granted Oct 13, 1998·18 cites·38 claims
- 3638US5758544ASystem and method for locking out an output device when an input device is actuatedPORTER CO P L·Filed 1996·Granted Jun 2, 1998·18 cites·42 claims
- 3731US5217195ASeat position adjustment mechanismPORTER CO P L·Filed 1989·Granted Jun 8, 1993·9 cites·5 claims
- 3830US6086155ARotary seat adjustment mechanismPORTER CO P L·Filed 1998·Granted Jul 11, 2000·9 cites·9 claims
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