Inventor · disambiguated record
Douglas Clark
Also filed as: CLARK DOUGLAS · CLARK DOUGLAS A · CLARK DOUGLAS ALAN
30 granted patents·9 pending applications·640 citations·filing 1982–2025
97Inventor score
Files withASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC15LINCOLN GLOBAL INC7PITNEY BOWES INC6BOULWARE PAUL CHRISTOPHER1CLARK DOUGLAS1
Top patents by PatentIndex Score
39 records- 0197US9685099B2System for characterizing manual welding operationsLINCOLN GLOBAL INC·Filed 2016·Granted Jun 20, 2017·55 cites·30 claims
- 0296US9773429B2System and method for manual welder trainingLINCOLN GLOBAL INC·Filed 2014·Granted Sep 26, 2017·33 cites·25 claims
- 0396US7475474B2Method of making tamper detection circuit for an electronic devicePITNEY BOWES INC·Filed 2007·Granted Jan 13, 2009·71 cites·7 claims
- 0494US12077985B2Door lock assembly with waggle reductionASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2022·Granted Sep 3, 2024·4 cites·9 claims
- 0594US7180008B2Tamper barrier for electronic devicePITNEY BOWES INC·Filed 2004·Granted Feb 20, 2007·97 cites·12 claims
- 0694US6996953B2System and method for installing a tamper barrier wrap in a PCB assembly, including a PCB assembly having improved heat sinkingPITNEY BOWES INC·Filed 2004·Granted Feb 14, 2006·84 cites·12 claims
- 0791USD966070SDoor lockASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2020·Granted Oct 11, 2022·17 cites·1 claims
- 0891US7156233B2Tamper barrier enclosure with corner protectionPITNEY BOWES INC·Filed 2004·Granted Jan 2, 2007·67 cites·15 claims
- 0991US6895509B1Tamper detection system for securing dataPITNEY BOWES INC·Filed 2000·Granted May 17, 2005·72 cites·20 claims
- 1090US10068495B2System for characterizing manual welding operationsLINCOLN GLOBAL INC·Filed 2016·Granted Sep 4, 2018·4 cites·34 claims
- 1189US11885161B2Door lock assembly including weatherizationASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2022·Granted Jan 30, 2024·2 cites·8 claims
- 1286US10475353B2System for characterizing manual welding operations on pipe and other curved structuresLINCOLN GLOBAL INC·Filed 2018·Granted Nov 12, 2019·2 cites·19 claims
- 1385USD966071SDoor lock setASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2020·Granted Oct 11, 2022·11 cites·1 claims
- 1484US12084888B2Door lock assemblyASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2022·Granted Sep 10, 2024·1 cites·20 claims
- 1584US8881637B2Door lock access control component mountingSARGENT MFG CO·Filed 2013·Granted Nov 11, 2014·8 cites·36 claims
- 1683US10522055B2System for characterizing manual welding operationsLINCOLN GLOBAL INC·Filed 2019·Granted Dec 31, 2019·1 cites·17 claims
- 1782USD966072SDoor lockASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2020·Granted Oct 11, 2022·9 cites·1 claims
- 1880USD981206SDoor lock setASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2020·Granted Mar 21, 2023·8 cites·1 claims
- 1977US2025283349A1Door lock assembly with safeguarding against bypassingASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2025·Application pending·0 cites
- 2076USD738192SEscutcheonHETFIELD MEG·Filed 2013·Granted Sep 8, 2015·25 cites·1 claims
- 2175US2024376746A1Door lock assemblyASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2024·Application pending·0 cites
- 2275US2025012111A1Door lock assembly with waggle reductionASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2024·Application pending·0 cites
- 2373US6311411B1Vertical dryer with vertical particle removal plenum and method of useWENGER MFG·Filed 2000·Granted Nov 6, 2001·13 cites·15 claims
- 2472USD966073SDoor lockASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2020·Granted Oct 11, 2022·5 cites·1 claims
- 2570US8060453B2System and method for funds recovery from an integrated postal security deviceTOLMIE JR ROBERT J·Filed 2008·Granted Nov 15, 2011·2 cites·16 claims
- 2668US12421759B2Door lock assembly with safeguarding against bypassingASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2022·Granted Sep 23, 2025·0 cites·10 claims
- 2768US10347154B2System for characterizing manual welding operationsLINCOLN GLOBAL INC·Filed 2018·Granted Jul 9, 2019·0 cites·14 claims
- 2865US6611325B1Enhanced defect detection using surface scanning inspection toolsSEH AMERICA INC·Filed 2000·Granted Aug 26, 2003·5 cites·27 claims
- 2961US2015056585A1System and method monitoring and characterizing manual welding operationsBOULWARE PAUL CHRISTOPHER·Filed 2014·Application pending·0 cites
- 3058US2024401374A1Clutch for a door lockASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2024·Application pending·0 cites
- 3157US2024344355A1Adjustable mounting system for a door lockASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2024·Application pending·0 cites
- 3256US2016093233A1System for characterizing manual welding operations on pipe and other curved structuresLINCOLN GLOBAL INC·Filed 2015·Application pending·0 cites
- 3351US4646999ASupport for mounting grooming items on the outside of cans containing grooming productsCLARK DOUGLAS A·Filed 1985·Granted Mar 3, 1987·23 cites·9 claims
- 3450US2023049416A1Door lock assembly with keyless handleASSA ABLOY ACCESS AND EGRESS HARDWARE GROUP INC·Filed 2022·Application pending·0 cites
- 3549US7516105B2Method and system for increasing mailing machine throughput by precomputing indiciaPITNEY BOWES INC·Filed 2003·Granted Apr 7, 2009·0 cites·34 claims
- 3647US2006021903A1System and method for installing a tamper barrier wrap in a PCB assembly, including a PCB assembly having improved heat sinkingPERREAULT PAUL G·Filed 2005·Application pending·0 cites
- 3742US7046133B2Brake light circuit for engine retarderWEAST BUTCH·Filed 2004·Granted May 16, 2006·4 cites·11 claims
- 3839US6188753B1Method and apparatus for detection and prevention of calling card fraudSPRINT COMM CO L P·Filed 1997·Granted Feb 13, 2001·16 cites·58 claims
- 3922US4466715AImage projector with double terminal lamp fixtureCLARK DOUGLAS·Filed 1982·Granted Aug 21, 1984·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →