Inventor
HENNESSY DAVID R
US23 patents
⚠️ This page may combine multiple inventors who share the name “HENNESSY DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HORTON INC
18 patentsUS7946400B2May 24, 2011
Viscous clutch
HORTON INC19 citations92
US7938240B2May 10, 2011
Viscous clutch
HORTON INC20 citations92
US7854307B2Dec 21, 2010
Electromagnetically actuated viscous clutch
HORTON INC24 citations92
US5586635ADec 24, 1996
Rotational control apparatus
HORTON INC27 citations92
US5624016AApr 29, 1997
Locking apparatus for a keyed connection
HORTON INC27 citations86
US9568260B2Feb 14, 2017
Heat exchanger blower method
HORTON INC6 citations80
US10539157B2Jan 21, 2020
Fan blade surface features
HORTON INC7 citations77
US10557508B2Feb 11, 2020
Modular viscous clutch
HORTON INC2 citations73
US10082350B2Sep 25, 2018
Heat exchanger blower system
HORTON INC3 citations69
US11441621B2Sep 13, 2022
Pump and wiper assembly, associated viscous clutch and associated method
HORTON INC1 citations62
US11333207B2May 17, 2022
Shaft output viscous clutch
HORTON INC1 citations62
US10941819B2Mar 9, 2021
Viscous clutch and method of operation
HORTON INC0 citations61
US11795862B2Oct 24, 2023
Transmission system with planetary gearing operable in forward and reverse modes
HORTON INC0 citations52
US10612605B2Apr 7, 2020
Viscous clutch fluid capture system
HORTON INC0 citations52
US10578172B2Mar 3, 2020
Viscous clutch fluid capture system
HORTON INC0 citations52
US10612606B2Apr 7, 2020
Viscous clutch and associated electromagnetic coil
HORTON INC0 citations50
US11260739B2Mar 1, 2022
Energy harvesting clutch control assembly, valve assembly, and electrically actuated clutch
HORTON INC0 citations48
US11459933B2Oct 4, 2022
Accessible clutch attachment assembly and method
HORTON INC0 citations36