Inventor · Volkach, DE

Gerhard Roll

6Patents
3h-index
28Co-inventors
43Inventor score

Filing activity: Apr 4, 2001 → Oct 3, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6457572B1 Double clutch assembly Mechanical Engineering; Lighting; Heating 6 Expired
US6662923B2 Pressure plate assembly Mechanical Engineering; Lighting; Heating 4 Expired
US6622840B2 Double clutch assembly Mechanical Engineering; Lighting; Heating 3 Expired
US6578687B2 Pressure plate assembly for a friction clutch Mechanical Engineering; Lighting; Heating 1 Expired
US6588566B2 Pressure plate assembly Mechanical Engineering; Lighting; Heating 0 Expired
US6588567B2 Pressure plate assembly Mechanical Engineering; Lighting; Heating 0 Expired

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