Inventor · Marshfield, WI, US

Frank Wilhelm

11Patents
3h-index
18Co-inventors
57Inventor score

Filing activity: Dec 15, 1975 → Mar 21, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US9803675B2 Self-piercing rivet and self-piercing riveting method and self-piercing riveted joint Mechanical Engineering; Lighting; Heating 6 Active
USD247720S Oxygen hood General 5 Expired
US4605487A Use of methane, methane and hydrogen, or natural gas for pyrolysis gas Emerging Cross-Sectional Technologies 3 Expired
US10465730B2 Self-piercing rivet and self-piercing riveting method and self-piercing riveted joint Mechanical Engineering; Lighting; Heating 3 Active
US4652430A Apparatus for multi-stage refining of organic bulk materials Chemistry; Metallurgy 2 Expired
US10371190B2 Punch rivet and method for producing a punch-riveted joint Mechanical Engineering; Lighting; Heating 1 Active
US11333187B2 Self-piercing rivet and self-piercing riveting method and self-piercing riveted joint Mechanical Engineering; Lighting; Heating 0 Active
US10550873B2 Self-piercing rivet and self-piercing riveting method and self-piercing riveted joint Mechanical Engineering; Lighting; Heating 0 Active
US10927875B2 Punch rivet and method for producing a punch-riveted joint Mechanical Engineering; Lighting; Heating 0 Active
US11958152B2 Safety system for miter saw and method of use thereof Mechanical Engineering; Lighting; Heating 0 Active
US12296423B2 Safety system for miter saw and method of use thereof Mechanical Engineering; Lighting; Heating 0 Active

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