Inventor · disambiguated record
Jack Crain
Also filed as: CRAIN JACK · CRAIN JACK A
4 granted patents·3 pending applications·115 citations·filing 1980–2005
79Inventor score
Top patents by PatentIndex Score
7 records- 0169US5467833ASystem for lifting tubulars and equipment below the main deck of platformsFiled 1994·Granted Nov 21, 1995·56 cites·11 claims
- 0267US6053255ABlowout preventer lift apparatus and methodCRAIN JACK A·Filed 1998·Granted Apr 25, 2000·31 cites·10 claims
- 0351US4347733ABlowout preventor test systemCRAIN JACK A·Filed 1980·Granted Sep 7, 1982·22 cites·9 claims
- 0432US2006260809A1Method and apparatus for replacing drive pipeCRAIN JACK A·Filed 2005·Application pending·0 cites
- 0529US2003155119A1Expandable drilling template systemFiled 2002·Application pending·0 cites
- 0629US2003141077A1Subsea protective coveringFiled 2002·Application pending·0 cites
- 0723US6142234AApparatus and method for tieback of subsea wellsCRAIN JACK·Filed 1998·Granted Nov 7, 2000·6 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Jack Crain files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →