Inventor · Duisburg, DE

Helmut Ortmann

4Patents
4h-index
7Co-inventors
43Inventor score

Filing activity: Sep 6, 1988 → Apr 17, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5670735A Propellant igniting system and method of making the same Mechanical Engineering; Lighting; Heating 26 Expired
US6085629A Weapon system Mechanical Engineering; Lighting; Heating 11 Expired
US4941244A Method of producing discarding sabot projectiles Emerging Cross-Sectional Technologies 11 Expired
US6067890A Weapon system Mechanical Engineering; Lighting; Heating 5 Expired

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