Inventor · disambiguated record
John Ronald Hartley Craig
Also filed as: CRAIG JOHN · CRAIG JOHN R · CRAIG JOHN RONALD HARTLEY · CRAIG R COLIN
4 granted patents·1 pending application·86 citations·filing 1978–2018
75Inventor score
Top patents by PatentIndex Score
5 records- 0174US5013085ALounge chair canopy constructionCRAIG JOHN R·Filed 1989·Granted May 7, 1991·60 cites·3 claims
- 0271US9644447B2Wireline pressure control apparatusNAT OILWELL VARCO UK LTD·Filed 2012·Granted May 9, 2017·3 cites·40 claims
- 0367US4199927ACombine reel weed shieldCRAIG JOHN R·Filed 1978·Granted Apr 29, 1980·23 cites·22 claims
- 0438US11041356B2Wireline sealing assemblyNAT OILWELL VARCO UK LIMITED·Filed 2018·Granted Jun 22, 2021·0 cites·15 claims
- 0536US2015322735A1Lockable swivel apparatusNAT OILWELL VARCO LP·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →