Inventor · disambiguated record
John D. Hooker, Ii
Also filed as: HOOKER II JOHN D · HOOKER JOHN D
10 granted patents·129 citations·filing 2008–2023
89Inventor score
Technology areasE21B
Files withWEATHERFORD TECH HOLDINGS LLC5WEATHERFORD LAMB2OLSTAD DELANEY MICHAEL1PIETRAS BERND-GEORG1WIEDECKE MICHAEL1
Top patents by PatentIndex Score
10 records- 0192US8365834B2Tubular handling apparatusWEATHERFORD LAMB·Filed 2009·Granted Feb 5, 2013·46 cites·23 claims
- 0291US9404322B2Electronic control system for a tubular handling toolWIEDECKE MICHAEL·Filed 2011·Granted Aug 2, 2016·19 cites·23 claims
- 0390US8141642B2Fill up and circulation tool and mudsaver valveOLSTAD DELANEY MICHAEL·Filed 2009·Granted Mar 27, 2012·43 cites·29 claims
- 0488US10697256B2Electronic control system for a tubular handling toolWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Jun 30, 2020·4 cites·28 claims
- 0580US10253581B2Electronic control system for a tubular handling toolWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Apr 9, 2019·2 cites·17 claims
- 0677US8752636B2Tubular handling apparatusWEATHERFORD LAMB·Filed 2013·Granted Jun 17, 2014·4 cites·22 claims
- 0772US8215687B2Remotely operated single joint elevatorPIETRAS BERND-GEORG·Filed 2008·Granted Jul 10, 2012·11 cites·13 claims
- 0862US12467330B2Riser-less managed pressure operationsWEATHERFORD TECH HOLDINGS LLC·Filed 2023·Granted Nov 11, 2025·0 cites·18 claims
- 0961US10801277B2Electronic control system for a tubular handling toolWEATHERFORD TECH HOLDINGS LLC·Filed 2018·Granted Oct 13, 2020·0 cites·16 claims
- 1052US11085253B2Tong assembly with door position sensorsWEATHERFORD TECH HOLDINGS LLC·Filed 2019·Granted Aug 10, 2021·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →