Inventor · disambiguated record
Alan Bing Joe Shem
Also filed as: SHEM ALAN · SHEM ALAN BING JOE
6 granted patents·1 pending application·107 citations·filing 2010–2023
83Inventor score
Technology areasE21B
Files withKEAST LARRY G7
Top patents by PatentIndex Score
7 records- 0197US7984757B1Drilling rig with a top drive with an air lift thread compensator and a hollow cylinder rod providing minimum flexing of conduitKEAST LARRY G·Filed 2010·Granted Jul 26, 2011·65 cites·18 claims
- 0293US8127836B1Top drive with an airlift thread compensator and a hollow cylinder rod providing minimum flexing of conduitKEAST LARRY G·Filed 2011·Granted Mar 6, 2012·22 cites·19 claims
- 0388US10851601B2Combination tubular handler and power swivel unitKEAST LARRY G·Filed 2019·Granted Dec 1, 2020·4 cites·18 claims
- 0488US7921939B1Method for using a top drive with an air lift thread compensator and a hollow cylinder rod providing minimum flexing of conduitKEAST LARRY G·Filed 2010·Granted Apr 12, 2011·14 cites·20 claims
- 0587US11208854B2Combination tubular handler and power swivel unitKEAST LARRY G·Filed 2020·Granted Dec 28, 2021·2 cites·16 claims
- 0672US2023220736A1Combination tubular handler and power swivel unitKEAST LARRY G·Filed 2023·Application pending·0 cites
- 0769US11639638B2Combination tubular handler and power swivel unitKEAST LARRY G·Filed 2021·Granted May 2, 2023·0 cites·18 claims
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