Inventor · Usingen, DE

Randolf Kortge

10Patents
5h-index
11Co-inventors
55Inventor score

Filing activity: May 27, 1994 → Mar 15, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5460198A Pressure-activated flow-control valve Emerging Cross-Sectional Technologies 11 Expired
US6053196A Flow regulator Emerging Cross-Sectional Technologies 9 Expired
US6227816A Hydraulic delivery device Mechanical Engineering; Lighting; Heating 9 Expired
US5685332A Valve assembly Emerging Cross-Sectional Technologies 9 Expired
US5597008A Pressure-limiting valve and method of setting opening pressure of the pressure-limiting valve Emerging Cross-Sectional Technologies 7 Expired
US5513672A Valve assembly Emerging Cross-Sectional Technologies 5 Expired
US5702242A Vane pump Mechanical Engineering; Lighting; Heating 4 Expired
US5580817A Valve assembly Emerging Cross-Sectional Technologies 4 Expired
US6428285B1 Hydraulic delivery device Mechanical Engineering; Lighting; Heating 0 Expired
US6263909A Valve assembly Emerging Cross-Sectional Technologies 0 Expired

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