Inventor · Birkenfeld, DE

Andreas Widl

7Patents
5h-index
8Co-inventors
56Inventor score

Filing activity: Sep 25, 1995 → Nov 14, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6141609A Device for recording information on a vehicle's itinerary Physics 187 Expired
US5721678A Arrangement for a use billing system Physics 105 Expired
US6081388A Opto-electronic imaging system for industrial applications Physics 87 Expired
US6892942B1 Roadside control device for a toll apparatus installed in a motor vehicle Physics 81 Expired
US6816707B1 Debiting device for deducting tolls Physics 37 Expired
US10502341B2 Optical microphone to diagnose actuators Fixed Constructions 0 Active
US11774950B2 Method for the encrypted communication in a process plant, process plant, field device and control electronics Emerging Cross-Sectional Technologies 0 Active

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