Inventor · Bethel Park, PA, US

Ralf Krause

9Patents
4h-index
17Co-inventors
50Inventor score

Filing activity: Sep 24, 1997 → Sep 16, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6477963B1 Apparatus and method for steering a guideway vehicle Performing Operations; Transporting 19 Expired
US5927687A Ball valve Mechanical Engineering; Lighting; Heating 14 Expired
US6308640A Transportation vehicle steering apparatus Performing Operations; Transporting 10 Expired
US6431082B1 Guide wheel assembly Mechanical Engineering; Lighting; Heating 4 Expired
US6038981A Two-wheeled bogie for track-guided vehicles Performing Operations; Transporting 3 Expired
US9661769B2 Lockable pressure casing Electricity 2 Active
US8641089B2 Airbag module for a vehicle steering wheel Performing Operations; Transporting 2 Active
US8936595B2 Surgical instrument, particularly electrosurgical instrument Human Necessities 2 Active
US6550396B2 Guide wheel assembly Mechanical Engineering; Lighting; Heating 1 Expired

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