John P. SPENCE

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Tananger, NO

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Patents Grantslast 30 patents

Information Patent Grant
Delivering fluid to a subsea wellhead
- Patent number 12,209,475
- Issue date Jan 28, 2025
- ConocoPhillips Company
- Leif Kvarme
- E21 - EARTH DRILLING MINING
Information Patent Grant
Delivering fluid to a subsea wellhead
- Patent number 12,018,540
- Issue date Jun 25, 2024
- ConocoPhillips Company
- Leif Kvarme
- E21 - EARTH DRILLING MINING
Information Patent Grant
Delivering fluid to a subsea wellhead
- Patent number 11,512,550
- Issue date Nov 29, 2022
- ConocoPhillips Company
- Leif Kvarme
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well stimulation operations
- Patent number 11,268,359
- Issue date Mar 8, 2022
- ConocoPhillips Company
- Lars Christian Tronstad Bahr
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DELIVERING FLUID TO A SUBSEA WELLHEAD
- Publication number 20240309722
- Publication date Sep 19, 2024
- ConocoPhillips Company
- Leif KVARME
- E21 - EARTH DRILLING MINING
Information Patent Application
DELIVERING FLUID TO A SUBSEA WELLHEAD
- Publication number 20230078342
- Publication date Mar 16, 2023
- ConocoPhillips Company
- Leif KVARME
- E21 - EARTH DRILLING MINING
Information Patent Application
DELIVERING FLUID TO A SUBSEA WELLHEAD
- Publication number 20210189827
- Publication date Jun 24, 2021
- ConocoPhillips Company
- Leif KVARME
- E21 - EARTH DRILLING MINING
Information Patent Application
WELL STIMULATION OPERATIONS
- Publication number 20210156236
- Publication date May 27, 2021
- ConocoPhillips Company
- Lars Christian Tronstad BAHR
- E21 - EARTH DRILLING MINING