Assignee
COPELAND CORP
US·269 granted patents·3 pending applications·17,173 citations·filing 1975–2005
Top patents by PatentIndex Score
272 records- 0199US6823680B2Remote data acquisition system and methodCOPELAND CORP·Filed 2002·Granted Nov 30, 2004·246 cites·45 claims
- 0299US6679072B2Diagnostic system and method for a cooling systemCOPELAND CORP·Filed 2002·Granted Jan 20, 2004·128 cites·22 claims
- 0399US6615594B2Compressor diagnostic systemCOPELAND CORP·Filed 2001·Granted Sep 9, 2003·194 cites·14 claims
- 0499US6467280B2Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressorCOPELAND CORP·Filed 2001·Granted Oct 22, 2002·95 cites·24 claims
- 0599US6412293B1Scroll machine with continuous capacity modulationCOPELAND CORP·Filed 2000·Granted Jul 2, 2002·204 cites·53 claims
- 0699US6324854B1Air-conditioning servicing system and methodCOPELAND CORP·Filed 2000·Granted Dec 4, 2001·203 cites·20 claims
- 0799US6047557AAdaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressorCOPELAND CORP·Filed 1997·Granted Apr 11, 2000·276 cites·48 claims
- 0899US5613841ACapacity modulated scroll machineCOPELAND CORP·Filed 1995·Granted Mar 25, 1997·212 cites·26 claims
- 0999US5156539AScroll machine with floating sealCOPELAND CORP·Filed 1992·Granted Oct 20, 1992·183 cites·47 claims
- 1099US4947655ARefrigeration systemCOPELAND CORP·Filed 1988·Granted Aug 14, 1990·188 cites·4 claims
- 1199US4877382AScroll-type machine with axially compliant mountingCOPELAND CORP·Filed 1988·Granted Oct 31, 1989·345 cites·34 claims
- 1299US4787211ARefrigeration systemCOPELAND CORP·Filed 1986·Granted Nov 29, 1988·182 cites·42 claims
- 1399US4767293AScroll-type machine with axially compliant mountingCOPELAND CORP·Filed 1986·Granted Aug 30, 1988·175 cites·72 claims
- 1498US6758050B2Compressor diagnostic systemCOPELAND CORP·Filed 2001·Granted Jul 6, 2004·163 cites·37 claims
- 1598US6758051B2Method and system for diagnosing a cooling systemCOPELAND CORP·Filed 2002·Granted Jul 6, 2004·177 cites·36 claims
- 1698US6679683B2Dual volume-ratio scroll machineCOPELAND CORP·Filed 2002·Granted Jan 20, 2004·103 cites·98 claims
- 1798US6560976B2Data acquisition system and methodCOPELAND CORP·Filed 2001·Granted May 13, 2003·126 cites·22 claims
- 1898US6499305B2Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressorCOPELAND CORP·Filed 2002·Granted Dec 31, 2002·68 cites·14 claims
- 1998US6457948B1Diagnostic system for a compressorCOPELAND CORP·Filed 2001·Granted Oct 1, 2002·137 cites·23 claims
- 2098US6449972B2Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressorCOPELAND CORP·Filed 2001·Granted Sep 17, 2002·98 cites·10 claims
- 2198US6408635B1Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressorCOPELAND CORP·Filed 2000·Granted Jun 25, 2002·59 cites·15 claims
- 2298US6350111B1Scroll machine with ported orbiting scroll memberCOPELAND CORP·Filed 2000·Granted Feb 26, 2002·117 cites·25 claims
- 2398US6293767B1Scroll machine with asymmetrical bleed holeCOPELAND CORP·Filed 2000·Granted Sep 25, 2001·162 cites·21 claims
- 2498US5707210AScroll machine with overheating protectionCOPELAND CORP·Filed 1995·Granted Jan 13, 1998·219 cites·18 claims
- 2598US5689963ADiagnostics for a heating and cooling systemCOPELAND CORP·Filed 1996·Granted Nov 25, 1997·172 cites·10 claims
- 2698US5640854AScroll machine having liquid injection controlled by internal valveCOPELAND CORP·Filed 1995·Granted Jun 24, 1997·128 cites·34 claims
- 2798US5630325AHeat pump motor optimization and sensor fault detectionCOPELAND CORP·Filed 1995·Granted May 20, 1997·214 cites·15 claims
- 2898US5611674ACapacity modulated scroll machineCOPELAND CORP·Filed 1995·Granted Mar 18, 1997·145 cites·31 claims
- 2998US5440895AHeat pump motor optimization and sensor fault detectionCOPELAND CORP·Filed 1994·Granted Aug 15, 1995·187 cites·8 claims
- 3098US5427511AScroll compressor having a partition defining a discharge chamberCOPELAND CORP·Filed 1994·Granted Jun 27, 1995·102 cites·20 claims
- 3198US5381669AOvercharge-undercharge diagnostic system for air conditioner controllerCOPELAND CORP·Filed 1993·Granted Jan 17, 1995·208 cites·11 claims
- 3298US5320506AOldham coupling for scroll compressorCOPELAND CORP·Filed 1993·Granted Jun 14, 1994·203 cites·39 claims
- 3398US5102316ANon-orbiting scroll mounting arrangements for a scroll machineCOPELAND CORP·Filed 1990·Granted Apr 7, 1992·203 cites·43 claims
- 3497US7260948B2Compressor diagnostic systemCOPELAND CORP·Filed 2004·Granted Aug 28, 2007·67 cites·36 claims
- 3597US6821092B1Capacity modulated scroll compressorCOPELAND CORP·Filed 2003·Granted Nov 23, 2004·115 cites·76 claims
- 3697US6705848B2Powder metal scrollsCOPELAND CORP·Filed 2002·Granted Mar 16, 2004·64 cites·35 claims
- 3797US6601397B2Digital scroll condensing unit controllerCOPELAND CORP·Filed 2001·Granted Aug 5, 2003·122 cites·49 claims
- 3897US6419457B1Dual volume-ratio scroll machineCOPELAND CORP·Filed 2000·Granted Jul 16, 2002·88 cites·36 claims
- 3997US6302654B1Compressor with control and protection systemCOPELAND CORP·Filed 2000·Granted Oct 16, 2001·167 cites·22 claims
- 4097US6213731B1Compressor pulse width modulationCOPELAND CORP·Filed 1999·Granted Apr 10, 2001·264 cites·48 claims
- 4197US6123517AScroll machine with capacity modulationCOPELAND CORP·Filed 1997·Granted Sep 26, 2000·115 cites·41 claims
- 4297US5741120ACapacity modulated scroll machineCOPELAND CORP·Filed 1995·Granted Apr 21, 1998·206 cites·102 claims
- 4397US5678985AScroll machine with capacity modulationCOPELAND CORP·Filed 1995·Granted Oct 21, 1997·128 cites·36 claims
- 4497US5623834ADiagnostics for a heating and cooling systemCOPELAND CORP·Filed 1995·Granted Apr 29, 1997·164 cites·6 claims
- 4597US5528908ABlocked fan detection system for heat pumpCOPELAND CORP·Filed 1995·Granted Jun 25, 1996·122 cites·12 claims
- 4697US5440890ABlocked fan detection system for heat pumpCOPELAND CORP·Filed 1993·Granted Aug 15, 1995·118 cites·12 claims
- 4797US5407335ANon-orbiting scroll mounting arrangements for a scroll machineCOPELAND CORP·Filed 1994·Granted Apr 18, 1995·104 cites·22 claims
- 4897US5219281AFluid compressor with liquid separating baffle overlying the inlet portCOPELAND CORP·Filed 1992·Granted Jun 15, 1993·71 cites·9 claims
- 4996US6709244B2Diagnostic system for a compressorCOPELAND CORP·Filed 2002·Granted Mar 23, 2004·72 cites·26 claims
- 5096US6206652B1Compressor capacity modulationCOPELAND CORP·Filed 1998·Granted Mar 27, 2001·129 cites·29 claims
Showing the top 50 of 272 patent records by PatentIndex Score.
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