Inventor · disambiguated record
John J. Pritchard, Jr.
Also filed as: PRITCHARD JOHN · PRITCHARD JR JOHN J
4 granted patents·1 pending application·162 citations·filing 1986–2005
80Inventor score
Top patents by PatentIndex Score
5 records- 0176US4688640AAbandoning offshore wellSHELL OFFSHORE INC·Filed 1986·Granted Aug 25, 1987·59 cites·22 claims
- 0271US5168933ACombination hydraulic tubing hanger and chemical injection subSHELL OFFSHORE INC·Filed 1991·Granted Dec 8, 1992·62 cites·7 claims
- 0362US4690216AFormation fluid samplerSHELL OFFSHORE INC·Filed 1986·Granted Sep 1, 1987·36 cites·11 claims
- 0437US2006248097A1Creating customisable applicationsPRITCHARD JOHN·Filed 2005·Application pending·0 cites
- 0529US4655283AApparatus for perforating and producing a wellSHELL OFFSHORE INC·Filed 1986·Granted Apr 7, 1987·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →