Inventor · disambiguated record
John Robert Herold
Also filed as: HEROLD JOHN R · HEROLD JOHN ROBERT
4 granted patents·1 pending application·77 citations·filing 1994–2021
78Inventor score
Top patents by PatentIndex Score
5 records- 0152US5782297ARetrieval tool for back pressure valve and tree test plugFMC CORP·Filed 1996·Granted Jul 21, 1998·34 cites·3 claims
- 0244US5730218ATool protection guide with energy absorbing bumperFMC CORP·Filed 1996·Granted Mar 24, 1998·19 cites·3 claims
- 0341US2022243723A1Geared Packing Nut SystemUTEX IND·Filed 2021·Application pending·0 cites
- 0438US5474124AWellhead retrieval tool assemblyFiled 1994·Granted Dec 12, 1995·15 cites·7 claims
- 0533US5896925ATool protection guideFMC CORP·Filed 1997·Granted Apr 27, 1999·9 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →