Inventor · disambiguated record
Jim Hollingsworth
Also filed as: HOLLINGSWORTH JIM · HOLLINGSWORTH JIM S
10 granted patents·69 citations·filing 1975–2017
87Inventor score
Technology areasE21B
Files withWEATHERFORD TECH HOLDINGS LLC5LITTLE GIANT CORP1MOUTON DAVID E1OLSTAD DELANEY MICHAEL1WEATHERFORD TECHNOLOGY HOLDINGS LLC1
Top patents by PatentIndex Score
10 records- 0190US8141642B2Fill up and circulation tool and mudsaver valveOLSTAD DELANEY MICHAEL·Filed 2009·Granted Mar 27, 2012·43 cites·29 claims
- 0272US8733447B2Landing string compensatorMOUTON DAVID E·Filed 2009·Granted May 27, 2014·11 cites·22 claims
- 0369US10626690B2Fill up toolWEATHERFORD TECH HOLDINGS LLC·Filed 2017·Granted Apr 21, 2020·1 cites·10 claims
- 0467US9745810B2Fill up toolWEATHERFORD TECH HOLDINGS LLC·Filed 2014·Granted Aug 29, 2017·2 cites·20 claims
- 0564USD244750SPumpLITTLE GIANT CORP·Filed 1975·Granted Jun 21, 1977·8 cites·1 claims
- 0663US8833471B2Fill up toolWIENS JIMMY DUANE·Filed 2011·Granted Sep 16, 2014·2 cites·21 claims
- 0759US9353603B2Landing string compensatorWEATHERFORD TECHNOLOGY HOLDINGS LLC·Filed 2014·Granted May 31, 2016·1 cites·7 claims
- 0857US9732591B2Hydrostatic tubular lifting systemWEATHERFORD TECH HOLDINGS LLC·Filed 2013·Granted Aug 15, 2017·1 cites·23 claims
- 0953US9650873B2Landing string compensatorWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted May 16, 2017·0 cites·12 claims
- 1045US9598916B2Top drive stand compensator with fill up toolWEATHERFORD TECH HOLDINGS LLC·Filed 2013·Granted Mar 21, 2017·0 cites·23 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →