Inventor · Ulmen, DE

Rolf Warnecke

9Patents
5h-index
8Co-inventors
52Inventor score

Filing activity: Dec 19, 1974 → Dec 6, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4611633A Expansion hose for reduction of pressure pulsations Performing Operations; Transporting 34 Expired
US3942819A Safety belt tensioning device Performing Operations; Transporting 18 Expired
US4231727A Vacuum producing rotary vane pump with shaft lubrication Mechanical Engineering; Lighting; Heating 11 Expired
US4379423A Hydraulic amplifier Performing Operations; Transporting 8 Expired
US4360326A Oil lubricated vacuum pump including an oil separator disposed adjacent of its suction opening Emerging Cross-Sectional Technologies 8 Expired
US4457679A Vane pump with unilateral bearing Emerging Cross-Sectional Technologies 3 Expired
US4516470A Unbalanced hydraulic amplifier valve assembly Performing Operations; Transporting 2 Expired
US4697497A Hydraulic amplifier valve assembly Emerging Cross-Sectional Technologies 2 Expired
US4638719A Unbalanced hydraulic amplifier valve assembly Performing Operations; Transporting 1 Expired

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