Inventor · Ironwood, MI, US

Frank J. Winchell

19Patents
16h-index
7Co-inventors
67Inventor score

Filing activity: Nov 1, 1974 → Apr 3, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4325565A Cambering vehicle Performing Operations; Transporting 185 Expired
US4076270A Foldable cambering vehicle Performing Operations; Transporting 121 Expired
US4087107A Cambering vehicle with trailing arm seat for vehicle operator Performing Operations; Transporting 65 Expired
US4087106A Cambering vehicle Performing Operations; Transporting 64 Expired
US5080365A Golf club Human Necessities 51 Expired
US4065144A Cambering vehicle Performing Operations; Transporting 47 Expired
US4088338A Cambering vehicle with cable stabilizer and equalizer Performing Operations; Transporting 43 Expired
US4423795A Wheeled vehicle with cambering front module Performing Operations; Transporting 34 Expired
US4071261A Lock bar for cambering vehicle Performing Operations; Transporting 32 Expired
USRE32031E Cambering vehicle General 32 Expired
US4137985A Vehicle security system Emerging Cross-Sectional Technologies 32 Expired
US4087108A Cambering vehicle with trailing arms interconnected by spur gearing Performing Operations; Transporting 29 Expired
US4087104A Method of manually propelling a cambering vehicle Performing Operations; Transporting 25 Expired
US4437535A Three-track motorcycle with cambering main frame Mechanical Engineering; Lighting; Heating 24 Expired
US4319571A Ostomy appliance Emerging Cross-Sectional Technologies 23 Expired
US4054300A Cambering vehicle with trailing arms interconnected by geared stabilizer and equalizer mechanism Performing Operations; Transporting 16 Expired
US4106605A Centrifugal and one way clutches in series with friction clutch Mechanical Engineering; Lighting; Heating 10 Expired
US3954356A Rotary engine rotor housing having coolant cooled bridged exhaust port Mechanical Engineering; Lighting; Heating 6 Expired
US3973882A Rotary combustion engine apex seal arrangement Mechanical Engineering; Lighting; Heating 3 Expired

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