Inventor · disambiguated record
David Parman
Also filed as: PARMAN DAVID · PARMAN DAVID G
10 granted patents·6 pending applications·133 citations·filing 1981–2022
88Inventor score
Files withNVENT SERVICES GMBH6PARMAN DAVID G3RICWIL INC3PENTAIR THERMAL MAN LLC2PENTAIR FLOW SERVICES AG1
Top patents by PatentIndex Score
16 records- 0185US11705710B2Devices and methods for electrical cable splicesNVENT SERVICES GMBH·Filed 2022·Granted Jul 18, 2023·1 cites·20 claims
- 0283US4532375AHeating device for utilizing the skin effect of alternating currentRICWIL INC·Filed 1983·Granted Jul 30, 1985·46 cites·6 claims
- 0376US11006484B2Shielded fluoropolymer wire for high temperature skin effect trace heatingNVENT SERVICES GMBH·Filed 2018·Granted May 11, 2021·2 cites·18 claims
- 0473US4617449AHeating device for utilizing the skin effect of alternating currentRICWIL INC·Filed 1985·Granted Oct 14, 1986·34 cites·4 claims
- 0572US4436565AMethod of making a heating device for utilizing the skin effect of alternating currentRICWIL INC·Filed 1981·Granted Mar 13, 1984·30 cites·8 claims
- 0671US7568526B2Subterranean electro-thermal heating system and methodTYCO THERMAL CONTROLS LLC·Filed 2007·Granted Aug 4, 2009·13 cites·20 claims
- 0768US9556709B2Skin effect heating system having improved heat transfer and wire support characteristicsPARMAN DAVID G·Filed 2008·Granted Jan 31, 2017·6 cites·15 claims
- 0865US12443150B2Systems and methods for controlling digital circuit breakersNVENT SERVICES GMBH·Filed 2021·Granted Oct 14, 2025·0 cites·11 claims
- 0963US11424608B2Devices and methods for electrical cable splicesNVENT SERVICES GMBH·Filed 2021·Granted Aug 23, 2022·0 cites·20 claims
- 1050US2012018421A1Mineral insulated skin effect heating cablePARMAN DAVID G·Filed 2009·Application pending·0 cites
- 1147US2015237679A1Mineral Insulated Skin Effect Heating CablePENTAIR THERMAL MAN LLC·Filed 2015·Application pending·0 cites
- 1245US2022400536A1System and Method for Electric Heating Trace System ManagementNVENT SERVICES GMBH·Filed 2022·Application pending·0 cites
- 1344US9416640B2Downhole wellbore heating system and methodPARMAN DAVID G·Filed 2013·Granted Aug 16, 2016·1 cites·20 claims
- 1444US2018372258A1Pressurized High Voltage Skin Effect Heat Tracing System and MethodNVENT SERVICES GMBH·Filed 2018·Application pending·0 cites
- 1541US2018279418A1High Voltage Skin Effect Heater Cable with Ribbed Semiconductive JacketPENTAIR FLOW SERVICES AG·Filed 2018·Application pending·0 cites
- 1626US2016064914A1System and Method for Forming End Terminations of Mineral Insulated CablePENTAIR THERMAL MAN LLC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →