Inventor · disambiguated record
Paul D. Perry
Also filed as: PERRY PAUL · PERRY PAUL D · PERRY PAUL DOUGLAS
87 granted patents·4 pending applications·1,827 citations·filing 1988–2015
99Inventor score
Files withSIEMENS CANADA LTD39SIEMENS VDO AUTOMOTIVE INC26SIEMENS ELECTRIC LTD10CONTINENTAL AUTOMOTIVE CANADA3CONTINENTAL AUTOMOTIVE SYSTEMS2
Top patents by PatentIndex Score
91 records- 0197US6460566B1Integrated pressure management system for a fuel systemSIEMENS CANADA LTD·Filed 2000·Granted Oct 8, 2002·59 cites·20 claims
- 0296US6328021B1Diaphragm for an integrated pressure management apparatusSIEMENS CANADA LTD·Filed 2000·Granted Dec 11, 2001·68 cites·9 claims
- 0396US6089081AAutomotive evaporative leak detection system and methodSIEMENS CANADA LTD·Filed 1999·Granted Jul 18, 2000·88 cites·32 claims
- 0496US5390645AFuel vapor leak detection systemSIEMENS ELECTRIC LTD·Filed 1994·Granted Feb 21, 1995·94 cites·8 claims
- 0594US5967124AVapor leak detection system having a shared electromagnet coil for operating both pump and vent valveSIEMENS CANADA LTD·Filed 1998·Granted Oct 19, 1999·69 cites·37 claims
- 0693US5474050ALeak detection pump with integral vent sealSIEMENS ELECTRIC LTD·Filed 1995·Granted Dec 12, 1995·73 cites·18 claims
- 0792US8689613B2Leak detection method and system for a high pressure automotive fuel tankPERRY PAUL D·Filed 2011·Granted Apr 8, 2014·12 cites·14 claims
- 0891US6623012B1Poppet valve seat for an integrated pressure management apparatusSIEMENS CANADA LTD·Filed 2000·Granted Sep 23, 2003·55 cites·9 claims
- 0990US6478045B1Solenoid for an integrated pressure management apparatusSIEMENS CANADA LTD·Filed 2000·Granted Nov 12, 2002·40 cites·3 claims
- 1089US6640620B2Automotive evaporative leak detection systemSIEMENS CANADA LTD·Filed 2001·Granted Nov 4, 2003·27 cites·73 claims
- 1189US5499614AMeans and method for operating evaporative emission system leak detection pumpSIEMENS ELECTRIC LTD·Filed 1994·Granted Mar 19, 1996·53 cites·20 claims
- 1288US6343505B1Automotive evaporative leak detection systemSIEMENS CANADA LTD·Filed 1999·Granted Feb 5, 2002·42 cites·28 claims
- 1386US6772739B2Method of managing fuel vapor pressure in a fuel systemSIEMENS VDO AUTOMOTIVE INC·Filed 2002·Granted Aug 10, 2004·16 cites·28 claims
- 1486US5817925AEvaporative emission leak detection systemSIEMENS ELECTRIC LTD·Filed 1997·Granted Oct 6, 1998·50 cites·27 claims
- 1585US7025084B2Integrated pressure management system for a fuel systemSIEMENS VDO AUTOMOTIVE INC·Filed 2002·Granted Apr 11, 2006·18 cites·15 claims
- 1684US6502560B1Integrated pressure management apparatus having electronic control circuitSIEMENS CANADA LTD·Filed 2000·Granted Jan 7, 2003·23 cites·12 claims
- 1783US6053151AAutomotive evaporative emission leak detection system and moduleSIEMENS CANADA LTD·Filed 1998·Granted Apr 25, 2000·42 cites·21 claims
- 1882US6450153B1Integrated pressure management apparatus providing an on-board diagnosticSIEMENS CANADA LTD·Filed 2000·Granted Sep 17, 2002·21 cites·6 claims
- 1981US7347192B2Low power consumption latch circuit including a time delay for a fuel vapor pressure management apparatusCONTINENTIAL AUTOMOTIVE SYSTEM·Filed 2005·Granted Mar 25, 2008·10 cites·19 claims
- 2081US6050245ACanister vent valve having at least one sensor and single electric actuator operatively connected to a single electrical connectorSIEMENS CANADA LTD·Filed 1997·Granted Apr 18, 2000·33 cites·19 claims
- 2180US6951126B2Fuel vapor leak test system and method comprising successive series of pulse bursts and pressure measurements between burstsSIEMENS VDO AUTOMOTIVE INC·Filed 2002·Granted Oct 4, 2005·20 cites·31 claims
- 2280US6668876B2Method for fuel vapor pressure managementSIEMENS VDO AUTOMOTIVE INC·Filed 2002·Granted Dec 30, 2003·12 cites·7 claims
- 2380US6626157B2Apparatus and method to detect fuel leak in a zero-vapor fuel systemSIEMENS CANADA LTD·Filed 2001·Granted Sep 30, 2003·31 cites·18 claims
- 2480US6016690AAutomotive evaporative emission leak detection system and methodSIEMENS CANADA LTD·Filed 1998·Granted Jan 25, 2000·42 cites·11 claims
- 2580US5579741AVapor purge valve having tapered bead armature sealSIEMENS ELECTRIC LTD·Filed 1995·Granted Dec 3, 1996·46 cites·26 claims
- 2679US7086276B2Temperature correction method and subsystem for automotive evaporative leak detection systemsSIEMENS VDO AUTOMOTIVE INC·Filed 2004·Granted Aug 8, 2006·14 cites·4 claims
- 2779US6474314B1Fuel system with intergrated pressure managementSIEMENS CANADA LTD·Filed 2000·Granted Nov 5, 2002·16 cites·15 claims
- 2879US5809976AVent control valving for fuel vapor recovery systemSIEMENS CANADA LTD·Filed 1995·Granted Sep 22, 1998·58 cites·32 claims
- 2978US7562560B1Engine off vacuum decay method for increasing pass/fail threshold using NVLDCONTINENTAL AUTOMOTIVE CANADA·Filed 2006·Granted Jul 21, 2009·8 cites·12 claims
- 3078US6983641B1Method of managing pressure in a fuel systemSIEMENS VDO AUTOMOTIVE INC·Filed 2000·Granted Jan 10, 2006·17 cites·8 claims
- 3178US6470861B1Fluid flow through an integrated pressure management apparatusSIEMENS CANADA LTD·Filed 2000·Granted Oct 29, 2002·15 cites·8 claims
- 3278US6453942B1Housing for integrated pressure management apparatusSIEMENS CANADA LTD·Filed 2000·Granted Sep 24, 2002·15 cites·22 claims
- 3377US6330878B1Evaporative emission leak detection system including vacuum regulator with sensitive sealSIEMENS CANADA LTD·Filed 2000·Granted Dec 18, 2001·19 cites·36 claims
- 3477US6044314AAutomotive evaporative emission leak detection system and methodSIEMENS CANADA LTD·Filed 1998·Granted Mar 28, 2000·37 cites·25 claims
- 3577US5803056ACanister vent valve having electric pressure sensor and valve actuatorSIEMENS ELECTRIC LTD·Filed 1997·Granted Sep 8, 1998·54 cites·10 claims
- 3676US6658925B2Initialization method of an automotive evaporative emission leak detection systemSIEMENS CANADA LTD·Filed 2002·Granted Dec 9, 2003·13 cites·10 claims
- 3776US5551406ACanister purge system having improved purge valveSIEMENS ELECTRIC LTD·Filed 1995·Granted Sep 3, 1996·32 cites·20 claims
- 3876US5483942AFuel vapor leak detection systemSIEMENS ELECTRIC LTD·Filed 1995·Granted Jan 16, 1996·32 cites·11 claims
- 3975US6484555B1Method of calibrating an integrated pressure management apparatusSIEMENS CANADA LTD·Filed 2000·Granted Nov 26, 2002·16 cites·2 claims
- 4074US6561009B1Fuel vapor leak test system and method comprising P-I-D setting of pulse bursts to regulate target pressureSIEMENS VDO AUTOMOTIVE INC·Filed 2002·Granted May 13, 2003·16 cites·29 claims
- 4173US6631634B2Initialization method for an automotive evaporative emission leak detection systemSIEMENS CANADA LTD·Filed 2001·Granted Oct 14, 2003·12 cites·17 claims
- 4273US6474313B1Connection between an integrated pressure management apparatus and a vapor collection canisterSIEMENS CANADA LTD·Filed 2000·Granted Nov 5, 2002·14 cites·13 claims
- 4372US6470908B1Pressure operable device for an integrated pressure management apparatusSIEMENS CANADA LTD·Filed 2000·Granted Oct 29, 2002·14 cites·8 claims
- 4472US5957115APulse interval leak detection systemSIEMENS CANADA LTD·Filed 1997·Granted Sep 28, 1999·28 cites·7 claims
- 4571US6505514B1Sensor arrangement for an integrated pressure management apparatusSIEMENS CANADA LTD·Filed 2000·Granted Jan 14, 2003·13 cites·14 claims
- 4670US6283097B1Automotive evaporative emission leak detection systemFiled 1997·Granted Sep 4, 2001·27 cites·48 claims
- 4770US6247456B1Canister purge system having improved purge valve controlSIEMENS CANADA LTD·Filed 1998·Granted Jun 19, 2001·26 cites·10 claims
- 4868US7543601B2Passive pressure activation valveCONTINENTAL AUTOMOTIVE CANADA·Filed 2007·Granted Jun 9, 2009·4 cites·3 claims
- 4968US7040301B2Fuel system with integrated pressure managementSIEMENS VDO AUTOMOTIVE INC·Filed 2002·Granted May 9, 2006·10 cites·18 claims
- 5067US6840232B2Fluid flow through an integrated pressure management apparatusSIEMENS VDO AUTOMOTIVE INC·Filed 2002·Granted Jan 11, 2005·9 cites·9 claims
Showing the top 50 of 91 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →