Inventor · Castle, OK, US

Robert J. Ward

7Patents
4h-index
8Co-inventors
50Inventor score

Filing activity: Aug 20, 1975 → Apr 21, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5359942A Remote control positioning system for controlling hopper doors Performing Operations; Transporting 42 Expired
US4531781A Off-highway dump truck Performing Operations; Transporting 34 Expired
US7111863B2 Trailer alignment aid with universal mounting device Performing Operations; Transporting 6 Expired
US3964664A Beam leaded device welding machine Performing Operations; Transporting 4 Expired
USD677864S1 Foot warmer General 4 Active
USD1072317S1 Lighting fixture General 0 Active
US10741094B2 High voltage training device and system and method thereof Physics 0 Active

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