Inventor · Brilon, DE

Wilhelm Cramer

12Patents
8h-index
10Co-inventors
69Inventor score

Filing activity: Sep 27, 1985 → Feb 7, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5787874A Gas-fired ceramic-cooktop burner Mechanical Engineering; Lighting; Heating 52 Expired
USD591510S1 Container General 37 Expired
USD598740S1 Container and lid General 29 Expired
US4993401A Control system for glass-top cooking unit Mechanical Engineering; Lighting; Heating 29 Expired
US4951646A Ventilated glass-top cooking unit Mechanical Engineering; Lighting; Heating 23 Expired
US5099822A Cooking apparatus with at least one glass-ceramic cooking plate Mechanical Engineering; Lighting; Heating 14 Expired
US4600664A Storage battery Emerging Cross-Sectional Technologies 12 Expired
US6844104B2 Vent plug system for storage batteries Emerging Cross-Sectional Technologies 8 Expired
US6660426B2 Multi-cell storage battery with gas vent in a cover assembly Emerging Cross-Sectional Technologies 5 Expired
US6677075B2 Plug arrangement for a cell vent of a storage battery Emerging Cross-Sectional Technologies 4 Expired
US9587754B2 Electronic flow sensor Emerging Cross-Sectional Technologies 0 Active
US8720469B2 Electronic flow sensor Emerging Cross-Sectional Technologies 0 Active

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