Inventor · disambiguated record
Karluf Hagen
Also filed as: HAGEN KARLUF
10 granted patents·1 pending application·520 citations·filing 1993–2017
92Inventor score
Top patents by PatentIndex Score
11 records- 0191US5341880ASand screen structure with quick connection section joints thereinHALLIBURTON CO·Filed 1993·Granted Aug 30, 1994·124 cites·17 claims
- 0284US5564502AWell completion system with flapper control valveHALLIBURTON CO·Filed 1995·Granted Oct 15, 1996·98 cites·12 claims
- 0383US6003607AWellbore equipment positioning apparatus and associated methods of completing wellsHALLIBURTON ENERGY SERV INC·Filed 1996·Granted Dec 21, 1999·103 cites·28 claims
- 0482US11448343B2Fastening means for fastening of a cable to a tubular bodyINNOVAR ENG AS·Filed 2017·Granted Sep 20, 2022·4 cites·14 claims
- 0580US5762142ACoiled tubing apparatusHALLIBURTON CO·Filed 1997·Granted Jun 9, 1998·71 cites·4 claims
- 0675US5823265AWell completion system with well control valveHALLIBURTON ENERGY SERV INC·Filed 1996·Granted Oct 20, 1998·65 cites·5 claims
- 0773US8298428B2Cleaning magnet device for cleaning drilling fluidHAGEN KARLUF·Filed 2009·Granted Oct 30, 2012·7 cites·10 claims
- 0868US5845711ACoiled tubing apparatusHALLIBURTON CO·Filed 1995·Granted Dec 8, 1998·43 cites·32 claims
- 0956US8220532B2Magnet fixing device in a cleaning toolHAGEN KARLUF·Filed 2008·Granted Jul 17, 2012·5 cites·7 claims
- 1039US9422805B2Pressure sensing device and method for using the sameINNOVAR ENG AS·Filed 2013·Granted Aug 23, 2016·0 cites·6 claims
- 1134US2018148983A1Apparatus and Method for Fastening of a Cable to a Tubular BodyINNOVAR ENG AS·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Karluf Hagen 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 →