Inventor · Witten, DE

Martin Hoffman

6Patents
3h-index
10Co-inventors
54Inventor score

Filing activity: Apr 16, 1990 → Aug 1, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6029987A Front axle for a motor vehicle Performing Operations; Transporting 37 Expired
US5419223A Turning machine for producing eccentric or convex geometries on current parts Emerging Cross-Sectional Technologies 12 Expired
US5641172A Skate board Human Necessities 7 Expired
US5058372A Apparatus for releasably gripping the tube of a yarn package of a textile machine Textiles; Paper 3 Expired
US9028805B2 Conditioning composition for hair Human Necessities 1 Active
US9937990B2 Intelligent sea water cooling system Mechanical Engineering; Lighting; Heating 1 Active

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