Inventor · disambiguated record
Richard Gerretz
Also filed as: GERRETZ RICHARD
3 granted patents·53 citations·filing 1976–1984
71Inventor score
Top patents by PatentIndex Score
3 records- 0184US4065953AMechanical tube expanderMANNESMANN AG·Filed 1976·Granted Jan 3, 1978·36 cites·18 claims
- 0257US4064730ATube expanderMANNESMANN AG·Filed 1977·Granted Dec 27, 1977·12 cites·2 claims
- 0329US4537407AApparatus for testing pipes by a pipe testerMANNESMANN DEMAG WEAN·Filed 1984·Granted Aug 27, 1985·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →