Assignee
PETROLEUM TECHNOLOGY CO AS
NO·16 granted patents·1 pending application·26 citations·filing 2014–2022
Top patents by PatentIndex Score
17 records- 0193US10294763B2Bellows valve and an injection valvePETROLEUM TECHNOLOGY CO AS·Filed 2015·Granted May 21, 2019·8 cites·16 claims
- 0289US11454086B2Valve device and methodPETROLEUM TECHNOLOGY CO AS·Filed 2017·Granted Sep 27, 2022·6 cites·22 claims
- 0377US10450821B2Wellhead port plug assemblyPETROLEUM TECHNOLOGY CO AS·Filed 2015·Granted Oct 22, 2019·5 cites·19 claims
- 0475US11236571B2Wellhead assembly and methodPETROLEUM TECHNOLOGY CO AS·Filed 2018·Granted Feb 1, 2022·2 cites·28 claims
- 0571US9611720B2Valve arrangement and method of operating the samePETROLEUM TECHNOLOGY CO AS·Filed 2014·Granted Apr 4, 2017·4 cites·12 claims
- 0668US12084943B2Valve device and methodPETROLEUM TECHNOLOGY CO AS·Filed 2022·Granted Sep 10, 2024·0 cites·20 claims
- 0767US11708749B2Downhole device with signal transmitterPETROLEUM TECHNOLOGY CO AS·Filed 2018·Granted Jul 25, 2023·1 cites·13 claims
- 0855US11230893B2Method of manufacturing a side pocket mandrel bodyPETROLEUM TECHNOLOGY CO AS·Filed 2020·Granted Jan 25, 2022·0 cites·11 claims
- 0946US11002102B2Plug and production tubing for a petroleum wellPETROLEUM TECHNOLOGY CO AS·Filed 2017·Granted May 11, 2021·0 cites·10 claims
- 1046US10662723B2Method of manufacturing a side pocket mandrel bodyPETROLEUM TECHNOLOGY CO AS·Filed 2015·Granted May 26, 2020·0 cites·11 claims
- 1140US12000248B2Gas lift valvePETROLEUM TECHNOLOGY CO AS·Filed 2020·Granted Jun 4, 2024·0 cites·15 claims
- 1240US11111746B2Wellbore arrangementPETROLEUM TECHNOLOGY CO AS·Filed 2018·Granted Sep 7, 2021·0 cites·4 claims
- 1338US2022170342A1Valve arrangementPETROLEUM TECHNOLOGY CO AS·Filed 2020·Application pending·0 cites
- 1437US12264554B2Valve arrangementPETROLEUM TECHNOLOGY CO AS·Filed 2020·Granted Apr 1, 2025·0 cites·12 claims
- 1535US12139998B2Downhole control arrangement, valve arrangement, side pocket mandrel, and method for operating a downhole valve arrangementPETROLEUM TECHNOLOGY CO AS·Filed 2021·Granted Nov 12, 2024·0 cites·7 claims
- 1634US10597990B2Gas lift valvePETROLEUM TECHNOLOGY CO AS·Filed 2015·Granted Mar 24, 2020·0 cites·15 claims
- 1728US11236592B2Valve systemPETROLEUM TECHNOLOGY CO AS·Filed 2018·Granted Feb 1, 2022·0 cites·29 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →