Inventor · Vandalia, OH, US

Ronald L. Shellhause

22Patents
7h-index
2Co-inventors
59Inventor score

Filing activity: Oct 3, 1975 → Jun 22, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US4332402A Quick connect hydraulic coupling assembly Mechanical Engineering; Lighting; Heating 22 Expired
US4706784A Drum brake adjusters Mechanical Engineering; Lighting; Heating 15 Expired
US4955458A Blind assembly of parking brake cable to parking brake lever Emerging Cross-Sectional Technologies 14 Expired
US5133439A Fluid pressure actuated actuator mechanism for clutches and the like Emerging Cross-Sectional Technologies 10 Expired
US4060283A Brake actuating pressure proportioning system and proportioner modifying arm therefor Performing Operations; Transporting 10 Expired
US4544049A Wheel cylinder assembly and seal arrangement therein Emerging Cross-Sectional Technologies 10 Expired
US4328883A Hydraulic actuator mechanism for a friction clutch Mechanical Engineering; Lighting; Heating 8 Expired
US4573249A Method of manufacturing brake shoe assembly Emerging Cross-Sectional Technologies 6 Expired
US4573557A Drum brake Mechanical Engineering; Lighting; Heating 6 Expired
US4070644A Failure warning switch actuator with automatic reset and proportioner override Performing Operations; Transporting 5 Expired
US5261235A Hydraulic pressure actuating systems and reservoirs for same Mechanical Engineering; Lighting; Heating 4 Expired
US5348040A Fluidic valve mechanism Emerging Cross-Sectional Technologies 4 Expired
US4546862A Drum brake Mechanical Engineering; Lighting; Heating 4 Expired
US5003780A Fluidic valve mechanism Emerging Cross-Sectional Technologies 3 Expired
US4114377A Master cylinder assembly Performing Operations; Transporting 3 Expired
US4387932A Pressure proportioner Emerging Cross-Sectional Technologies 2 Expired
US4753327A Drum brake shoe return spring support Mechanical Engineering; Lighting; Heating 2 Expired
US4041449A Failure warning switch actuator with automatic reset Performing Operations; Transporting 1 Expired
US5022502A Tee anchor for duo servo drum brakes Mechanical Engineering; Lighting; Heating 1 Expired
US3983703A Master cylinder push rod retention Performing Operations; Transporting 1 Expired
US5182911A Hydraulic pressure actuating systems with pivotable mounting Mechanical Engineering; Lighting; Heating 1 Expired
US6415809B1 Fluidic valve assemblies having improved fluidic valve mechanisms, and devices operable therewith Emerging Cross-Sectional Technologies 0 Expired

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