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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →