Assignee
GEN SIGNAL CORP
US·773 granted patents·23,443 citations·filing 1973–2001
Top patents by PatentIndex Score
773 records- 0199US4074700AQuick-acting valve assemblyGEN SIGNAL CORP·Filed 1975·Granted Feb 21, 1978·115 cites·2 claims
- 0298US4373147ATorque compensated electric motorGEN SIGNAL CORP·Filed 1981·Granted Feb 8, 1983·1.2k cites·14 claims
- 0397US5248371AHollow-anode glow discharge apparatusGEN SIGNAL CORP·Filed 1992·Granted Sep 28, 1993·255 cites·22 claims
- 0497US4766980ARail car brake apparatusGEN SIGNAL CORP·Filed 1987·Granted Aug 30, 1988·69 cites·8 claims
- 0597US4402047AComputerized brake control systemGEN SIGNAL CORP·Filed 1980·Granted Aug 30, 1983·79 cites·16 claims
- 0697US4347569AWheel slip systemGEN SIGNAL CORP·Filed 1980·Granted Aug 31, 1982·72 cites·18 claims
- 0796US5790391AStandby power systemGEN SIGNAL CORP·Filed 1996·Granted Aug 4, 1998·211 cites·35 claims
- 0896US5655830ALighting deviceGEN SIGNAL CORP·Filed 1995·Granted Aug 12, 1997·479 cites·8 claims
- 0996US5455548ABroadband rigid coaxial transmission lineGEN SIGNAL CORP·Filed 1994·Granted Oct 3, 1995·215 cites·10 claims
- 1096US5076205AModular vapor processor systemGEN SIGNAL CORP·Filed 1989·Granted Dec 31, 1991·280 cites·21 claims
- 1196US4711418ARadio based railway signaling and traffic control systemGEN SIGNAL CORP·Filed 1986·Granted Dec 8, 1987·199 cites·19 claims
- 1296US4564882AHumidity sensing elementGEN SIGNAL CORP·Filed 1984·Granted Jan 14, 1986·90 cites·10 claims
- 1396US4505799AISFET sensor and method of manufactureGEN SIGNAL CORP·Filed 1984·Granted Mar 19, 1985·128 cites·14 claims
- 1496US4061344AFitting for penetration through fire rated barriersGEN SIGNAL CORP·Filed 1976·Granted Dec 6, 1977·115 cites·14 claims
- 1595US5428482ADecoupled mount for optical element and stacked annuli assemblyGEN SIGNAL CORP·Filed 1993·Granted Jun 27, 1995·112 cites·17 claims
- 1695US5281996APhotolithographic reduction imaging of extended fieldGEN SIGNAL CORP·Filed 1992·Granted Jan 25, 1994·103 cites·20 claims
- 1795US5243696AProgrammable electronic display for a chart recorderGEN SIGNAL CORP·Filed 1991·Granted Sep 7, 1993·304 cites·5 claims
- 1895US4498650AMicroprocessor based track circuit for occupancy detection and bidirectional code communicationGEN SIGNAL CORP·Filed 1982·Granted Feb 12, 1985·102 cites·23 claims
- 1995US4443910AAbove-the-floor adaptor for upright vacuum cleanerGEN SIGNAL CORP·Filed 1982·Granted Apr 24, 1984·103 cites·13 claims
- 2094US5526236ALighting device used in an exit signGEN SIGNAL CORP·Filed 1994·Granted Jun 11, 1996·112 cites·24 claims
- 2194US4715921AQuad processorGEN SIGNAL CORP·Filed 1986·Granted Dec 29, 1987·140 cites·25 claims
- 2294US4489740ADisc cleaning machineGEN SIGNAL CORP·Filed 1982·Granted Dec 25, 1984·110 cites·13 claims
- 2394US4444492AApparatus for projecting a series of images onto dies of a semiconductor waferGEN SIGNAL CORP·Filed 1982·Granted Apr 24, 1984·84 cites·15 claims
- 2494US4166599AWayside oriented moving blockGEN SIGNAL CORP·Filed 1977·Granted Sep 4, 1979·77 cites·31 claims
- 2594US3940946AUniversal jointGEN SIGNAL CORP·Filed 1974·Granted Mar 2, 1976·79 cites·20 claims
- 2693US5779359AMixer having exposed clean-in-place bearing assembliesGEN SIGNAL CORP·Filed 1997·Granted Jul 14, 1998·68 cites·7 claims
- 2793US5452054AVariable annular illuminator for photolithographic projection imagerGEN SIGNAL CORP·Filed 1994·Granted Sep 19, 1995·95 cites·38 claims
- 2893US5410453ALighting device used in an exit signGEN SIGNAL CORP·Filed 1993·Granted Apr 25, 1995·241 cites·37 claims
- 2993US5383000APartial coherence varier for microlithographic systemGEN SIGNAL CORP·Filed 1992·Granted Jan 17, 1995·89 cites·17 claims
- 3093US4965865AProbe card for integrated circuit chipGEN SIGNAL CORP·Filed 1989·Granted Oct 23, 1990·130 cites·17 claims
- 3193US4652057AControl system for integral trainsGEN SIGNAL CORP·Filed 1985·Granted Mar 24, 1987·77 cites·28 claims
- 3293US4581676AElectrical contact coating for silicon pressure transducersGEN SIGNAL CORP·Filed 1984·Granted Apr 8, 1986·36 cites·2 claims
- 3393US4468130AMixing apparatusGEN SIGNAL CORP·Filed 1981·Granted Aug 28, 1984·77 cites·23 claims
- 3493US4150250AStrain relief fittingGEN SIGNAL CORP·Filed 1977·Granted Apr 17, 1979·207 cites·13 claims
- 3593US4138141AForce absorbing device and force transmission deviceGEN SIGNAL CORP·Filed 1977·Granted Feb 6, 1979·83 cites·3 claims
- 3693US4080005AEmpty-load fluid pressure brake system including proportioning valveGEN SIGNAL CORP·Filed 1975·Granted Mar 21, 1978·28 cites·5 claims
- 3792US5407854AESD protection of ISFET sensorsGEN SIGNAL CORP·Filed 1994·Granted Apr 18, 1995·130 cites·6 claims
- 3892US4722608AMixing apparatusGEN SIGNAL CORP·Filed 1985·Granted Feb 2, 1988·105 cites·68 claims
- 3992US4653812ATruck mounted pneumatic brake control systemGEN SIGNAL CORP·Filed 1985·Granted Mar 31, 1987·41 cites·36 claims
- 4092US4555766ABrake control system for vehiclesGEN SIGNAL CORP·Filed 1981·Granted Nov 26, 1985·38 cites·3 claims
- 4192US4501346ADisc brake assemblyGEN SIGNAL CORP·Filed 1982·Granted Feb 26, 1985·43 cites·10 claims
- 4292US4391494AApparatus for projecting a series of images onto dies of a semiconductor waferGEN SIGNAL CORP·Filed 1982·Granted Jul 5, 1983·91 cites·16 claims
- 4392US4246852AIndustrial furnace with ceramic insulating modulesGEN SIGNAL CORP·Filed 1979·Granted Jan 27, 1981·36 cites·8 claims
- 4492US4092010AVariable fluid passageGEN SIGNAL CORP·Filed 1976·Granted May 30, 1978·49 cites·25 claims
- 4591US5959528AAuto synchronous output module and systemGEN SIGNAL CORP·Filed 1998·Granted Sep 28, 1999·216 cites·8 claims
- 4691US4425037AApparatus for projecting a series of images onto dies of a semiconductor waferGEN SIGNAL CORP·Filed 1982·Granted Jan 10, 1984·71 cites·15 claims
- 4791US4196412ADriver alert systemGEN SIGNAL CORP·Filed 1978·Granted Apr 1, 1980·51 cites·23 claims
- 4891US4122523ARoute conflict analysis system for control of railroadsGEN SIGNAL CORP·Filed 1976·Granted Oct 24, 1978·109 cites·11 claims
- 4991US4018140AHydraulic disc brake actuatorGEN SIGNAL CORP·Filed 1974·Granted Apr 19, 1977·51 cites·3 claims
- 5090US6398184B1Lock device and lock method for knife gate valvesGEN SIGNAL CORP·Filed 2000·Granted Jun 4, 2002·523 cites·20 claims
Showing the top 50 of 773 patent records by PatentIndex Score.
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