Inventor · Minneapolis, MN, US

Robert E. Clark

15Patents
8h-index
19Co-inventors
69Inventor score

Filing activity: Mar 4, 1977 → Dec 12, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4830439A Separable scraper bar attachment for track-type vehicles Performing Operations; Transporting 31 Expired
US6763557B2 Buckle with a buckle release system Emerging Cross-Sectional Technologies 25 Expired
USD676828S1 Football shaped audio speaker General 21 Active
US5927464A Conveying apparatus Performing Operations; Transporting 20 Expired
US6685332B1 Stair stringer light set Mechanical Engineering; Lighting; Heating 15 Expired
US4125938A Spark plug cover remover Emerging Cross-Sectional Technologies 12 Expired
US4109544A V-belt manipulating tool Mechanical Engineering; Lighting; Heating 12 Expired
US8826931B2 Water actuated pressurized gas release device Emerging Cross-Sectional Technologies 8 Active
US4270259A Method and apparatus for rebuilding advance weights Emerging Cross-Sectional Technologies 7 Expired
US9045207B2 Inflator assembly adapted for manual or automatic inflation Mechanical Engineering; Lighting; Heating 5 Active
US4126044A Antifreeze tester Physics 4 Expired
US9178995B2 Systems and methods for event and incident reporting and management Physics 3 Active
US9635909B2 Buckle release mechanism Emerging Cross-Sectional Technologies 2 Active
US10507755B1 Modular recreation vehicle Performing Operations; Transporting 2 Active
US8695182B2 Retaining mechanism for buckle and buckle release system Emerging Cross-Sectional Technologies 0 Active

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