Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158196 | Actuator device | — | 2024-12-03 |
| 12110757 | Packer arrangement for sealingly guiding a drillstring therethrough | — | 2024-10-08 |
| 12034351 | Electromechanical actuator for use under water | — | 2024-07-09 |
| 11867202 | Pump with ring motor | John N. Dale | 2024-01-09 |
| 11454307 | Electro mechanical power actuator | — | 2022-09-27 |
| 11333263 | Electromechanical force actuator | — | 2022-05-17 |
| 10982506 | Electromechanically operated downhole valve actuator | — | 2021-04-20 |
| 10934790 | Gripping device for handling equipment with a drill string | — | 2021-03-02 |
| 10590730 | Packer box and method for installation or withdrawal of a packer element in, respectively from a packer box for use in petroleum drilling | — | 2020-03-17 |
| 10012037 | Heave compensation method | — | 2018-07-03 |
| 9645030 | Pressure measurement sensor head | — | 2017-05-09 |
| 9627940 | Electromechanical actuator device and method of actuating a ring piston | — | 2017-04-18 |
| 9581266 | Device for a spring return valve actuator and method of operating a valve | — | 2017-02-28 |
| 9388888 | Power actuator device and method for submerged use at petroleum exploitation | — | 2016-07-12 |
| 9151135 | Underwater stuffing box and method for running a drill string through the stuffing box | — | 2015-10-06 |
| 8919374 | Hydraulic control valve with two valve slides | — | 2014-12-30 |
| 8894913 | Method for production of an acid proof, seemless pressure vessel | — | 2014-11-25 |
| 8720573 | Method for sampling and analysis of production from a subsea well for measuring salinity of produced water and also volumetric ratio between liquid fractions | — | 2014-05-13 |
| 8701480 | Downhole pressure and vibration measuring device integrated in a pipe section as a part of a production tubing | — | 2014-04-22 |
| 8602046 | Method and a device for the cleaning of a piston-based hydraulic accumulator | — | 2013-12-10 |
| 8574417 | Method for two-step separation of water, salt and particles from a hydraulic fluid | — | 2013-11-05 |
| 8427327 | Liquid flow measuring during buoy-loading | — | 2013-04-23 |
| 8186293 | Device for an inert gas installation on a floating vessel | — | 2012-05-29 |