Inventor · Heidenfeld, DE

Hermann Hetterich

12Patents
5h-index
17Co-inventors
55Inventor score

Filing activity: Mar 27, 1978 → Dec 16, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US4194752A Skateboard Human Necessities 35 Expired
US4640632A Arrangement for the axial positioning and holding of a machine part in a thin wall sleeve or the like Mechanical Engineering; Lighting; Heating 12 Expired
US4478066A Method of making a thin-walled bearing bushing Emerging Cross-Sectional Technologies 5 Expired
US4522514A Thin-walled bearing bushing produced by deep drawing Mechanical Engineering; Lighting; Heating 5 Expired
US4689982A Method for making a cage and the cage produced thereby Emerging Cross-Sectional Technologies 5 Expired
US4776707A Linear rolling bearing element Mechanical Engineering; Lighting; Heating 5 Expired
US4433932A Roller bearings installed without clearance and preloaded Emerging Cross-Sectional Technologies 5 Expired
US4437214A Non-machining method of manufacturing a solid-bottomed or internally flanged bearing race Emerging Cross-Sectional Technologies 4 Expired
US4377313A Thin-walled bearing bushings produced in the drawing process Emerging Cross-Sectional Technologies 2 Expired
US4696083A Method for making machine parts and machine parts produced thereby Emerging Cross-Sectional Technologies 2 Expired
US4429926A Thin-walled bearing bushings manufactured by a deep drawing process Mechanical Engineering; Lighting; Heating 2 Expired
US4435889A Method and apparatus for the production of a rolling bearing cage Emerging Cross-Sectional Technologies 0 Expired

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