Inventor · disambiguated record
Rudolf Herrgen
Also filed as: HERRGEN RUDOLF · HERRGEN RUDOLF H
3 granted patents·70 citations·filing 1977–1997
72Inventor score
Top patents by PatentIndex Score
3 records- 0186US4257263ATorque wrenchWERKZEUG UNION GMBH·Filed 1979·Granted Mar 24, 1981·51 cites·7 claims
- 0258US4171647ATorque testing instrument for tools, especially spannersWERKZEUG UNION GMBH·Filed 1977·Granted Oct 23, 1979·15 cites·8 claims
- 0319US5852938AFreezing apparatus for liquid-filled pipelinesROTHENBERGER WERKZEUGE AG·Filed 1997·Granted Dec 29, 1998·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →