Inventor · disambiguated record
David R. Hennessy
Also filed as: HENNESSY DAVID · HENNESSY DAVID R
23 granted patents·1 pending application·324 citations·filing 1989–2021
95Inventor score
Top patents by PatentIndex Score
24 records- 0197US7854307B2Electromagnetically actuated viscous clutchHORTON INC·Filed 2006·Granted Dec 21, 2010·24 cites·25 claims
- 0296US8100241B2Viscous clutch with eddy current reductionHENNESSY DAVID R·Filed 2011·Granted Jan 24, 2012·20 cites·18 claims
- 0396US7946400B2Viscous clutchHORTON INC·Filed 2006·Granted May 24, 2011·19 cites·23 claims
- 0496US7938240B2Viscous clutchHORTON INC·Filed 2006·Granted May 10, 2011·20 cites·29 claims
- 0594US4941508AForce balanced hydraulic spool valveDANA CORP·Filed 1989·Granted Jul 17, 1990·115 cites·10 claims
- 0693US8887888B2Integrated viscous clutchHENNESSY DAVID R·Filed 2010·Granted Nov 18, 2014·14 cites·25 claims
- 0791US10539157B2Fan blade surface featuresHORTON INC·Filed 2016·Granted Jan 21, 2020·7 cites·21 claims
- 0885US10082350B2Heat exchanger blower systemHORTON INC·Filed 2016·Granted Sep 25, 2018·3 cites·20 claims
- 0983US9568260B2Heat exchanger blower methodHORTON INC·Filed 2014·Granted Feb 14, 2017·6 cites·28 claims
- 1082US10557508B2Modular viscous clutchHORTON INC·Filed 2017·Granted Feb 11, 2020·2 cites·20 claims
- 1176US5586635ARotational control apparatusHORTON INC·Filed 1995·Granted Dec 24, 1996·27 cites·28 claims
- 1276US5242036ATorque and/or rotational control apparatusHORTON MFG CO INC·Filed 1991·Granted Sep 7, 1993·28 cites·22 claims
- 1374US11441621B2Pump and wiper assembly, associated viscous clutch and associated methodHORTON INC·Filed 2019·Granted Sep 13, 2022·1 cites·23 claims
- 1474US11333207B2Shaft output viscous clutchHORTON INC·Filed 2019·Granted May 17, 2022·1 cites·20 claims
- 1571US5624016ALocking apparatus for a keyed connectionHORTON INC·Filed 1995·Granted Apr 29, 1997·27 cites·20 claims
- 1663US10941819B2Viscous clutch and method of operationHORTON INC·Filed 2018·Granted Mar 9, 2021·0 cites·19 claims
- 1761US10578172B2Viscous clutch fluid capture systemHORTON INC·Filed 2018·Granted Mar 3, 2020·0 cites·19 claims
- 1858US10612605B2Viscous clutch fluid capture systemHORTON INC·Filed 2016·Granted Apr 7, 2020·0 cites·33 claims
- 1955US10612606B2Viscous clutch and associated electromagnetic coilHORTON INC·Filed 2017·Granted Apr 7, 2020·0 cites·25 claims
- 2051US11459933B2Accessible clutch attachment assembly and methodHORTON INC·Filed 2021·Granted Oct 4, 2022·0 cites·20 claims
- 2151US11260739B2Energy harvesting clutch control assembly, valve assembly, and electrically actuated clutchHORTON INC·Filed 2019·Granted Mar 1, 2022·0 cites·22 claims
- 2246US11795862B2Transmission system with planetary gearing operable in forward and reverse modesHORTON INC·Filed 2020·Granted Oct 24, 2023·0 cites·30 claims
- 2344US5405254ARotary fluid displacement apparatusHORTON MFG CO INC·Filed 1994·Granted Apr 11, 1995·10 cites·20 claims
- 2441US2019030421A1Block Stacking Game and Method of Playing ThereofJACOBS BENJAMIN·Filed 2018·Application pending·0 cites
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