Assignee
TECUMSEH PRODUCTS CO
US·532 granted patents·22 pending applications·14,140 citations·filing 1974–2015
Top patents by PatentIndex Score
554 records- 0198US5238369ALiquid level control with capacitive sensorsTECUMSEH PRODUCTS CO·Filed 1992·Granted Aug 24, 1993·134 cites·31 claims
- 0297US7344367B2Rotary compressor having a discharge valveTECUMSEH PRODUCTS CO·Filed 2006·Granted Mar 18, 2008·48 cites·3 claims
- 0397US7042180B2Brushless and sensorless DC motor control system with locked and stopped rotor detectionTECUMSEH PRODUCTS CO·Filed 2004·Granted May 9, 2006·187 cites·39 claims
- 0497USD396045SInternal combustion engineTECUMSEH PRODUCTS CO·Filed 1995·Granted Jul 14, 1998·83 cites·1 claims
- 0597US4330239ACompressor mufflerTECUMSEH PRODUCTS CO·Filed 1979·Granted May 18, 1982·79 cites·15 claims
- 0697US4095922AElectro-mechanical deviceTECUMSEH PRODUCTS CO·Filed 1976·Granted Jun 20, 1978·69 cites·11 claims
- 0796US7721569B2Method and apparatus for control of carbon dioxide gas cooler pressure by use of a capillary tubeTECUMSEH PRODUCTS CO·Filed 2006·Granted May 25, 2010·42 cites·6 claims
- 0896US5145323ALiquid level control with capacitive sensorsTECUMSEH PRODUCTS CO·Filed 1990·Granted Sep 8, 1992·102 cites·19 claims
- 0996US4629403ARotary compressor with vane slot pressure grooveTECUMSEH PRODUCTS CO·Filed 1985·Granted Dec 16, 1986·68 cites·12 claims
- 1095US7096679B2Transcritical vapor compression system and method of operating including refrigerant storage tank and non-variable expansion deviceTECUMSEH PRODUCTS CO·Filed 2003·Granted Aug 29, 2006·84 cites·34 claims
- 1195US6643959B2Implement having engine and transaxle moduleTECUMSEH PRODUCTS CO·Filed 2001·Granted Nov 11, 2003·76 cites·17 claims
- 1295US6542062B1Overload protector with control elementTECUMSEH PRODUCTS CO·Filed 2000·Granted Apr 1, 2003·71 cites·16 claims
- 1395US6301885B1Hydrostatic transmission having two-piece pump and motor block assemblyTECUMSEH PRODUCTS CO·Filed 2000·Granted Oct 16, 2001·61 cites·21 claims
- 1495US6276901B1Combination sight glass and sump oil level sensor for a hermetic compressorTECUMSEH PRODUCTS CO·Filed 1999·Granted Aug 21, 2001·141 cites·15 claims
- 1595US6139295ABearing lubrication system for a scroll compressorTECUMSEH PRODUCTS CO·Filed 1999·Granted Oct 31, 2000·73 cites·18 claims
- 1695US5755194AOverhead cam engine with dry sump lubrication systemTECUMSEH PRODUCTS CO·Filed 1996·Granted May 26, 1998·75 cites·31 claims
- 1794US6701739B2Modular refrigeration system for refrigeration applianceTECUMSEH PRODUCTS CO·Filed 2002·Granted Mar 9, 2004·90 cites·21 claims
- 1894US6501629B1Hermetic refrigeration compressor motor protectorTECUMSEH PRODUCTS CO·Filed 2000·Granted Dec 31, 2002·139 cites·7 claims
- 1994US4103566ATransaxleTECUMSEH PRODUCTS CO·Filed 1976·Granted Aug 1, 1978·48 cites·6 claims
- 2093US7600390B2Method and apparatus for control of carbon dioxide gas cooler pressure by use of a two-stage compressorTECUMSEH PRODUCTS CO·Filed 2005·Granted Oct 13, 2009·23 cites·5 claims
- 2193US7267112B2Evaporative emissions control system including a charcoal canister for small internal combustion enginesTECUMSEH PRODUCTS CO·Filed 2005·Granted Sep 11, 2007·44 cites·21 claims
- 2293US7165536B2Evaporative emissions control system for small internal combustion enginesTECUMSEH PRODUCTS CO·Filed 2005·Granted Jan 23, 2007·28 cites·20 claims
- 2393US6760207B2Compressor terminal fault interruption method and apparatusTECUMSEH PRODUCTS CO·Filed 2001·Granted Jul 6, 2004·69 cites·6 claims
- 2493US6746223B2Orbiting rotary compressorTECUMSEH PRODUCTS CO·Filed 2002·Granted Jun 8, 2004·45 cites·20 claims
- 2593US6631617B1Two stage hermetic carbon dioxide compressorTECUMSEH PRODUCTS CO·Filed 2002·Granted Oct 14, 2003·66 cites·18 claims
- 2693US5808441AMicroprocessor based motor control system with phase difference detectionTECUMSEH PRODUCTS CO·Filed 1996·Granted Sep 15, 1998·142 cites·37 claims
- 2793US5067449AFitted crankcase breather valve assemblyTECUMSEH PRODUCTS CO·Filed 1991·Granted Nov 26, 1991·81 cites·12 claims
- 2893US4406590AHermetic compressorTECUMSEH PRODUCTS CO·Filed 1980·Granted Sep 27, 1983·88 cites·10 claims
- 2993US3974660APower supply for refrigeration unitsTECUMSEH PRODUCTS CO·Filed 1974·Granted Aug 17, 1976·58 cites·32 claims
- 3092US7352545B2Compressor terminal fault interruption method and apparatusTECUMSEH PRODUCTS CO·Filed 2004·Granted Apr 1, 2008·57 cites·5 claims
- 3192US7089088B2Integrated HVACR control and protection systemTECUMSEH PRODUCTS CO·Filed 2004·Granted Aug 8, 2006·171 cites·22 claims
- 3292US6612275B2Mid cam engineTECUMSEH PRODUCTS CO·Filed 2002·Granted Sep 2, 2003·43 cites·16 claims
- 3392US6170241B1Microprocessor controlled motor controller with current limiting protectionTECUMSEH PRODUCTS CO·Filed 1997·Granted Jan 9, 2001·130 cites·20 claims
- 3492US5784232AMultiple winding sensing control and protection circuit for electric motorsTECUMSEH PRODUCTS CO·Filed 1997·Granted Jul 21, 1998·90 cites·22 claims
- 3592US4997349ALubrication system for the crank mechanism of a scroll compressorTECUMSEH PRODUCTS CO·Filed 1989·Granted Mar 5, 1991·45 cites·20 claims
- 3692US4987796AInternal reservoir-defining body for permitting oil expansion within a hydrostatic transmission housingTECUMSEH PRODUCTS CO·Filed 1989·Granted Jan 29, 1991·57 cites·16 claims
- 3792US4404513AEconomical flywheel alternator for trickle charging a small lawnmower batteryTECUMSEH PRODUCTS CO·Filed 1982·Granted Sep 13, 1983·45 cites·1 claims
- 3891US7217110B2Compact rotary compressor with carbon dioxide as working fluidTECUMSEH PRODUCTS CO·Filed 2004·Granted May 15, 2007·33 cites·35 claims
- 3991US7131294B2Method and apparatus for control of carbon dioxide gas cooler pressure by use of a capillary tubeTECUMSEH PRODUCTS CO·Filed 2004·Granted Nov 7, 2006·47 cites·27 claims
- 4091US6959782B2Tuned exhaust system for small enginesTECUMSEH PRODUCTS CO·Filed 2003·Granted Nov 1, 2005·53 cites·13 claims
- 4191US6793010B1Heat exchanger having non-perpendicularly aligned heat transfer elementsTECUMSEH PRODUCTS CO·Filed 2003·Granted Sep 21, 2004·39 cites·18 claims
- 4291US6220050B1Suction accumulatorTECUMSEH PRODUCTS CO·Filed 1999·Granted Apr 24, 2001·96 cites·14 claims
- 4391US6032635AOverhead cam engine with integral headTECUMSEH PRODUCTS CO·Filed 1999·Granted Mar 7, 2000·46 cites·4 claims
- 4491US4982705ACam pulley and cylinder head arrangement for an overhead cam engineTECUMSEH PRODUCTS CO·Filed 1990·Granted Jan 8, 1991·58 cites·13 claims
- 4591US4741303ACombination counterbalance and oil slinger for horizontal shaft enginesTECUMSEH PRODUCTS CO·Filed 1986·Granted May 3, 1988·62 cites·22 claims
- 4691US4470772ADirect suction radial compressorTECUMSEH PRODUCTS CO·Filed 1982·Granted Sep 11, 1984·51 cites·35 claims
- 4791US4380216AEconomical engine constructionTECUMSEH PRODUCTS CO·Filed 1980·Granted Apr 19, 1983·48 cites·20 claims
- 4891US4019490APull-rope recoil starterTECUMSEH PRODUCTS CO·Filed 1975·Granted Apr 26, 1977·50 cites·68 claims
- 4990US7278834B2Compressor assemblies with improved mounting support and method of mounting such compressor assembliesTECUMSEH PRODUCTS CO·Filed 2004·Granted Oct 9, 2007·40 cites·15 claims
- 5090US6929455B2Horizontal two stage rotary compressorTECUMSEH PRODUCTS CO·Filed 2002·Granted Aug 16, 2005·35 cites·24 claims
Showing the top 50 of 554 patent records by PatentIndex Score.
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