Inventor · Oberkirch, DE

Bernhard Walter

39Patents
11h-index
56Co-inventors
78Inventor score

Filing activity: Aug 26, 1992 → Jul 9, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6576182B1 Process for producing shrinkage-matched ceramic composites Emerging Cross-Sectional Technologies 85 Expired
US6336878B1 Continuously variable transmission Mechanical Engineering; Lighting; Heating 37 Expired
US6241635A Transmission Mechanical Engineering; Lighting; Heating 23 Expired
US6648781B1 Continuously variable transmission Mechanical Engineering; Lighting; Heating 21 Expired
US6506136B2 Transmission Mechanical Engineering; Lighting; Heating 17 Expired
US6342024B1 Continuously variable cone-pulley-belt transmission Mechanical Engineering; Lighting; Heating 16 Expired
US6129188A Transmission for motor vehicle Mechanical Engineering; Lighting; Heating 15 Expired
US6361456B1 Infinitely variable speed transmission Mechanical Engineering; Lighting; Heating 13 Expired
US6234925A Transmission Mechanical Engineering; Lighting; Heating 13 Expired
US6190274A Transmission Mechanical Engineering; Lighting; Heating 13 Expired
US7322455B2 Torque transmitting unit Mechanical Engineering; Lighting; Heating 12 Expired
US6361470B1 Adjustable pulley for fluid-operated transmissions Mechanical Engineering; Lighting; Heating 11 Expired
US7493203B2 Methods for regulating the gear ratio of an automatic power-branched transmission, and automatic power-branched transmission Mechanical Engineering; Lighting; Heating 10 Expired
US7264564B2 Cone disc infinitely-variable gearbox Mechanical Engineering; Lighting; Heating 10 Expired
US6585613B1 Infinitely variable transmission with a locking device Mechanical Engineering; Lighting; Heating 10 Expired
US6675654B2 Pressure sensing device with moisture filter Performing Operations; Transporting 9 Expired
US6174253A Infinitely variable transmission with two pairs of conical flanges Mechanical Engineering; Lighting; Heating 9 Expired
US6375233B1 Transmission Mechanical Engineering; Lighting; Heating 8 Expired
US5261712A Latch mechanism for an access door Emerging Cross-Sectional Technologies 6 Expired
US7131921B2 Belt-driven conical-pulley transmission Mechanical Engineering; Lighting; Heating 6 Expired
US9791028B2 Multi-range CVT Mechanical Engineering; Lighting; Heating 5 Active
US7371204B2 Method and system for the reduction of the jerk caused by range shifting of a CVT transmission with power division Mechanical Engineering; Lighting; Heating 5 Expired
US6186917A Variable speed transmission Mechanical Engineering; Lighting; Heating 5 Expired
US10240667B2 CVT drive train Mechanical Engineering; Lighting; Heating 4 Active
US6966337B2 Means for auxiliary manual operation Emerging Cross-Sectional Technologies 1 Expired

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