Inventor · Dayton, OH, US

Richard E. Longhouse

28Patents
15h-index
36Co-inventors
81Inventor score

Filing activity: Sep 3, 1974 → May 16, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US4685513A Engine cooling fan and fan shrouding arrangement Mechanical Engineering; Lighting; Heating 65 Expired
US4329946A Shroud arrangement for engine cooling fan Emerging Cross-Sectional Technologies 48 Expired
US5263694A Upper mount assembly for a suspension damper Performing Operations; Transporting 48 Expired
US5690195A Alternating state pressure regulation valved damper Mechanical Engineering; Lighting; Heating 46 Expired
US5848678A Passive magnetorheological clutch Mechanical Engineering; Lighting; Heating 45 Expired
US4181172A Fan shroud arrangement Mechanical Engineering; Lighting; Heating 43 Expired
US4213426A Shrouding for engine mounted cooling fan Mechanical Engineering; Lighting; Heating 38 Expired
US6161662A Suspension damper for motor vehicle Mechanical Engineering; Lighting; Heating 38 Expired
US6311810A Magnetorheological fluid damper Mechanical Engineering; Lighting; Heating 37 Expired
US6318522A Rotary damper with magnetic seals Performing Operations; Transporting 34 Expired
US3937192A Ejector fan shroud arrangement Mechanical Engineering; Lighting; Heating 28 Expired
US5150886A Top mount assembly for a suspension actuator Mechanical Engineering; Lighting; Heating 23 Expired
US6622995B2 Hydraulic mount with magnetorheological fluid Mechanical Engineering; Lighting; Heating 20 Expired
US5070970A Multi-tube shock absorber Mechanical Engineering; Lighting; Heating 18 Expired
US5609401A Proportional braking system with dual poppet valves Performing Operations; Transporting 16 Expired
US6318519A Magnetorheological fluid damper tunable for smooth transitions Performing Operations; Transporting 15 Expired
US5897130A Chassis control system for controlling a vehicle chassis system based on wheel speed data Performing Operations; Transporting 15 Expired
US5706919A Alternating state pressure regulation valved damper Mechanical Engineering; Lighting; Heating 14 Expired
US4692098A Airfoil for high efficiency/high lift fan Emerging Cross-Sectional Technologies 13 Expired
US5690396A Proportional fluid pressure regulation system Performing Operations; Transporting 13 Expired
US6056279A Duo-pumping hydraulic mount Mechanical Engineering; Lighting; Heating 13 Expired
US6547226B2 Bi-state hydraulic mount with annular decoupler Mechanical Engineering; Lighting; Heating 11 Expired
US5620028A Brake Module with integrated accumulator Emerging Cross-Sectional Technologies 8 Expired
US4433263A Commutator having segments with a varied dimension Electricity 7 Expired
US6085877A Bi-Directional Multiple State Suspension Damper Mechanical Engineering; Lighting; Heating 5 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.