HERLAND; Jan
Patent Applications and Registrations
Patent applications and USPTO patent grants for HERLAND; Jan.The latest application filed is for "gate valve assembly for a subsea workover system".
- HERLAND; Jan - Nesbru NO
| Patent | Date |
|---|---|
| Gate Valve Assembly For A Subsea Workover System App 20220003073 - HERLAND; Jan | 2022-01-06 |
| Subsea methane hydrate production Grant 10,968,707 - Billington , et al. April 6, 2 | 2021-04-06 |
| A Wellhead Arrangement And Method App 20200063520 - HOLBERG; GEIR IVAR ; et al. | 2020-02-27 |
| Asymetrically cutting valve seats Grant 10,422,197 - Herland , et al. Sept | 2019-09-24 |
| Subsea Methane Hydrate Production App 20180298702 - BILLINGTON; Anders ; et al. | 2018-10-18 |
| Gate valve assembly Grant 9,470,057 - Herland , et al. October 18, 2 | 2016-10-18 |
| Asymetrically Cutting Valve Seats App 20160265301 - HERLAND; Jan ; et al. | 2016-09-15 |
| Gate Valve Assembly App 20140014356 - Herland; Jan ; et al. | 2014-01-16 |
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