Inventor · Friedrichshafen, DE

Bernhard Sich

12Patents
5h-index
29Co-inventors
66Inventor score

Filing activity: Jun 8, 1992 → Oct 25, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6705416B1 Hybrid propulsion system comprising shiftable clutches provided for a motor vehicle Emerging Cross-Sectional Technologies 67 Expired
US6949045B2 Power distributed 2-range transmission Mechanical Engineering; Lighting; Heating 37 Expired
US5240227A Electromagnetically operated valve Electricity 33 Expired
US8663052B2 Infinitely variable transmission device of a drive train of a vehicle Mechanical Engineering; Lighting; Heating 12 Active
US6402657B1 Infinitely variable friction gear Mechanical Engineering; Lighting; Heating 7 Expired
US9182013B2 Power-shiftable transmission Mechanical Engineering; Lighting; Heating 5 Active
US7252608B2 Automatic transmission having at least two conical disk sets Mechanical Engineering; Lighting; Heating 2 Expired
US9810300B2 Power-split continuously variable transmission apparatus having a summing planetary transmission Mechanical Engineering; Lighting; Heating 1 Active
US6935988B2 Infinitely variable toroidal drive Mechanical Engineering; Lighting; Heating 1 Expired
US10641373B2 Power-split continuously variable transmission device Emerging Cross-Sectional Technologies 1 Active
US6689013B1 Continuously variable friction gear transmission Mechanical Engineering; Lighting; Heating 0 Expired
US7905787B2 Drive system for a motor vehicle Mechanical Engineering; Lighting; Heating 0 Active

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