Inventor · Portage, MI, US

Richard A. Schultz

13Patents
6h-index
10Co-inventors
63Inventor score

Filing activity: Apr 7, 1975 → Nov 10, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4605197A Proportional and latching pressure control device Emerging Cross-Sectional Technologies 55 Expired
US5083546A Two-stage high flow purge valve Emerging Cross-Sectional Technologies 50 Expired
US3976207A Casing stabbing apparatus Emerging Cross-Sectional Technologies 37 Expired
US5065979A Constant current vacuum regulator Emerging Cross-Sectional Technologies 15 Expired
US5013198A Air-hydraulic pump with auxiliary pumping means Mechanical Engineering; Lighting; Heating 10 Expired
US5080565A Retainer for piston head subassembly and method of retaining piston head subassembly Emerging Cross-Sectional Technologies 7 Expired
US9988159B2 Ram air turbine strut with integral gearbox and drive sections Emerging Cross-Sectional Technologies 4 Active
US11753245B1 Pharmaceutical container holder Performing Operations; Transporting 3 Active
US4148596A Pelletizing press Emerging Cross-Sectional Technologies 1 Expired
US9828945B2 Ram air turbine driveshaft gear and bearing arrangement Emerging Cross-Sectional Technologies 1 Active
USD283223S Hydraulic fluid supply unit General 1 Expired
US4690339A Hammer mill Emerging Cross-Sectional Technologies 1 Expired
US10077117B2 Ram air turbine gearbox sealing Emerging Cross-Sectional Technologies 0 Active

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