Inventor · disambiguated record
John J. Grunbeck
Also filed as: GRUNBECK JOHN · GRUNBECK JOHN J
45 granted patents·3 pending applications·712 citations·filing 1990–2025
98Inventor score
Top patents by PatentIndex Score
48 records- 0197US7646953B2Fiber optic cable systems and methods to prevent hydrogen ingressWEATHERFORD LAMB·Filed 2008·Granted Jan 12, 2010·65 cites·20 claims
- 0295US6490931B1Fused tension-based fiber grating pressure sensorWEATHERFORD LAMB·Filed 1999·Granted Dec 10, 2002·108 cites·86 claims
- 0394US11598928B2Cable to reduce optical fiber movement and methods to fabricateWEATHERFORD TECH HOLDINGS LLC·Filed 2019·Granted Mar 7, 2023·4 cites·29 claims
- 0494US9255836B2Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivityTAVERNER DOMINO·Filed 2011·Granted Feb 9, 2016·36 cites·40 claims
- 0593US5251708AModular connector for measurement-while-drilling toolBAKER HUGHES INC·Filed 1991·Granted Oct 12, 1993·134 cites·16 claims
- 0688US8351755B2Optical waveguide feedthrough assemblyWEATHERFORD LAMB·Filed 2011·Granted Jan 8, 2013·7 cites·19 claims
- 0788US7747126B2Optical waveguide feedthrough assemblyWEATHERFORD LAMB·Filed 2007·Granted Jun 29, 2010·14 cites·22 claims
- 0887US6526212B1Optical fiber bulkhead feedthrough assembly and method of making sameWEATHERFORD LAMB·Filed 2000·Granted Feb 25, 2003·43 cites·67 claims
- 0986US12111510B2Cable to reduce optical fiber movement and methods to fabricateWEATHERFORD TECH HOLDINGS LLC·Filed 2023·Granted Oct 8, 2024·0 cites·22 claims
- 1086US8068714B2Optical waveguide feedthrough assemblyDUNPHY JAMES R·Filed 2010·Granted Nov 29, 2011·8 cites·20 claims
- 1186US6768825B2Optical sensor device having creep-resistant optical fiber attachmentsWEATHERFORD LAMB·Filed 2001·Granted Jul 27, 2004·32 cites·89 claims
- 1286US6445868B1Optical fiber feedthrough assembly and method of making sameWEATHERFORD LAMB·Filed 2000·Granted Sep 3, 2002·35 cites·43 claims
- 1385US7963319B2Downhole cable gripping/shearing deviceWEATHERFORD LAMB·Filed 2009·Granted Jun 21, 2011·25 cites·18 claims
- 1485US7447390B2Pressure transducer with optical waveguide feedthrough assemblyWEATHERFORD LAMB·Filed 2005·Granted Nov 4, 2008·18 cites·13 claims
- 1584US11880084B2Cable to reduce optical fiber movement and methods to fabricateWEATHERFORD TECH HOLDINGS LLC·Filed 2023·Granted Jan 23, 2024·0 cites·20 claims
- 1683US7751677B2Optical fiber feedthrough using axial seals for bi-directional sealingWEATHERFORD LAMB·Filed 2008·Granted Jul 6, 2010·12 cites·20 claims
- 1782US8111960B2Fiber optic cable systems and methods to prevent hydrogen ingressDOWD EDWARD M·Filed 2010·Granted Feb 7, 2012·5 cites·19 claims
- 1882US6507693B2Optical filter device having creep-resistant optical fiber attachmentsCIDRA CORP·Filed 2001·Granted Jan 14, 2003·25 cites·40 claims
- 1981US9377598B2Fiber optic cable systems and methods to prevent hydrogen ingressDOWD EDWARD M·Filed 2011·Granted Jun 28, 2016·5 cites·11 claims
- 2079US7769252B2Location marker for distributed temperature sensing systemsWEATHERFORD LAMB·Filed 2008·Granted Aug 3, 2010·17 cites·22 claims
- 2178US10338336B1Fiber optic cable for inhibiting breaching fluid flowWEATHERFORD TECH HOLDINGS LLC·Filed 2018·Granted Jul 2, 2019·2 cites·7 claims
- 2276US9389174B2Time division multiplexing (TDM) and wavelength division multiplexing (WDM) sensor arraysWEATHERFORD LAMB·Filed 2014·Granted Jul 12, 2016·2 cites·21 claims
- 2370US9104008B2Optical fiber coating to prevent adhesion at high temperaturesDOWD EDWARD M·Filed 2010·Granted Aug 11, 2015·2 cites·2 claims
- 2470US5144126AApparatus for nuclear logging employing sub wall mounted detectors and electronics, and modular connector assembliesTELECO OILFIED SERVICES INC·Filed 1990·Granted Sep 1, 1992·44 cites·48 claims
- 2568US6317555B1Creep-resistant optical fiber attachmentCIDRA CORP·Filed 1998·Granted Nov 13, 2001·27 cites·51 claims
- 2667US8737774B2Array temperature sensing method and systemMACDOUGALL TREVOR·Filed 2006·Granted May 27, 2014·5 cites·17 claims
- 2766US9841315B2Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivityWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Dec 12, 2017·1 cites·10 claims
- 2865US9435973B2Optical fiber coating to prevent adhesion at high temperaturesWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Sep 6, 2016·0 cites·15 claims
- 2963US5216242AApparatus for nuclear logging employing sub wall mounted detectors and modular connector assembliesTELECO OILFIELD SERVICES INC·Filed 1991·Granted Jun 1, 1993·29 cites·27 claims
- 3060US10527812B2Fiber optic cable for inhibiting breaching fluid flowWEATHERFORD TECH HOLDINGS LLC·Filed 2018·Granted Jan 7, 2020·0 cites·15 claims
- 3159US9423564B2Optical waveguide feedthrough assemblyWEATHERFORD LAMB INC·Filed 2013·Granted Aug 23, 2016·1 cites·9 claims
- 3258US9052244B2Array temperature sensing method and systemWEATHERFORD LAMB·Filed 2014·Granted Jun 9, 2015·0 cites·15 claims
- 3357US10175131B2Small profile pressure and temperature gaugesWEATHERFORD TECH HOLDINGS LLC·Filed 2017·Granted Jan 8, 2019·0 cites·21 claims
- 3457US9677963B2Small profile pressure and temperature gaugesWEATHERFORD TECH HOLDINGS LLC·Filed 2014·Granted Jun 13, 2017·0 cites·32 claims
- 3557US2025243716A1Two-Stage In-Well Wet Mate ConnectionWEATHERFORD TECH HOLDINGS LLC·Filed 2025·Application pending·0 cites
- 3655US10606000B2Optical waveguide feedthrough assemblyWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Mar 31, 2020·0 cites·19 claims
- 3755US7844150B2Optical connector assemblyWEATHERFORD LAMB·Filed 2007·Granted Nov 30, 2010·1 cites·20 claims
- 3854US12338687B1Two-stage in-well wet mate connectionWEATHERFORD TECH HOLDINGS LLC·Filed 2024·Granted Jun 24, 2025·0 cites·20 claims
- 3952US9588314B2Optical transducer with integrated feedthroughWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Mar 7, 2017·0 cites·17 claims
- 4052US9223101B2Optical transducer with integrated feedthroughWEATHERFORD LAMB·Filed 2013·Granted Dec 29, 2015·0 cites·20 claims
- 4152US8422835B2Optical waveguide feedthrough assemblyDUNPHY JAMES R·Filed 2005·Granted Apr 16, 2013·3 cites·10 claims
- 4250US7264404B2Optical connector assemblyWEATHERFORD LAMB·Filed 2004·Granted Sep 4, 2007·2 cites·28 claims
- 4349US10451807B2Strain isolated fiber Bragg grating sensorsWEATHERFORD TECH HOLDINGS LLC·Filed 2014·Granted Oct 22, 2019·0 cites·12 claims
- 4448US7703988B2Optical connector assemblyWEATHERFORD LAMB·Filed 2007·Granted Apr 27, 2010·0 cites·18 claims
- 4545US8768111B2Array temperature sensing method and systemMACDOUGALL TREVOR·Filed 2007·Granted Jul 1, 2014·0 cites·20 claims
- 4644US2013098528A1Methods and apparatus for controlling excess fiber length (efl) in armored cableWEATHERFORD LAMB·Filed 2012·Application pending·0 cites
- 4741US7373072B2Feedthrough fiber strain reliefWEATHERFORD LAMB·Filed 2004·Granted May 13, 2008·0 cites·15 claims
- 4839US2002181909A1Optical fiber feedthrough assembly and method of making sameFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →