Inventor · disambiguated record
Karl-Richard Hirtsiefer
Also filed as: HIRTSIEFER KARL R · HIRTSIEFER KARL-RICHARD · MULLER JOHANN
6 granted patents·83 citations·filing 1974–1987
83Inventor score
Top patents by PatentIndex Score
6 records- 0174US4805496AHydraulic power wrenchWAGNER PAUL HEINZ·Filed 1987·Granted Feb 21, 1989·30 cites·11 claims
- 0267US4418590AScrew assembly with torque determinationWAGNER PAUL HEINZ·Filed 1981·Granted Dec 6, 1983·22 cites·19 claims
- 0347US4183260ATool for rotating nuts, bolts and like fastenersWAGNER MASCHF PAUL HEINZ·Filed 1977·Granted Jan 15, 1980·9 cites·19 claims
- 0442US4524651APower wrenchWAGNER PAUL HEINZ·Filed 1982·Granted Jun 25, 1985·8 cites·16 claims
- 0540US4440046APower wrenchWAGNER PAUL HEINZ·Filed 1981·Granted Apr 3, 1984·9 cites·16 claims
- 0631US4003274ASun and planet gear transmission mechanism particularly for power wrenchesHIRTSIEFER KARL RICHARD·Filed 1974·Granted Jan 18, 1977·5 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →