Inventor · Biebertal, DE

Robert Hack

5Patents
3h-index
6Co-inventors
42Inventor score

Filing activity: Jul 18, 1986 → Jul 15, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US5478612A Decorative golf ball with magnet insert Emerging Cross-Sectional Technologies 25 Expired
US5193998A Sealing arrangement for heat treatment apparatus Mechanical Engineering; Lighting; Heating 25 Expired
US4708190A Treating metals and/or metallic compounds Emerging Cross-Sectional Technologies 4 Expired
US4850576A Heat treatment of materials Mechanical Engineering; Lighting; Heating 3 Expired
US5193100A Apparatus for detecting gaseous discharge in vacuum furnaces Mechanical Engineering; Lighting; Heating 1 Expired

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