Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325823 | Composition for making a drilling fluid a non-invasive drilling fluid | Karl Ronny Klungtvedt, Swapan Kumar Mandal | 2025-06-10 |
| 11912928 | Composition for making a drilling fluid a non-invasive drilling fluid | Karl Ronny Klungtvedt, Swapan Kumar Mandal | 2024-02-27 |
| 11065646 | Sieving apparatus and method of using same | Arne Malmin | 2021-07-20 |
| 10427072 | Device for separating a medium comprising a mixture of a solid portion and a fluid portion | Arne Malmin | 2019-10-01 |
| 10226720 | Cleaning device for separating hydrocarbons from solid particles | Arne Malmin | 2019-03-12 |
| 9399896 | Sieve device for untreated drilling mud and a method of using same | Arne Malmin | 2016-07-26 |
| 9358483 | Sieve cloth and method of using same | Arne Malmin | 2016-06-07 |
| 9242276 | Method for monitoring the integrity of a sieve device and apparatus for practice of the method | Arne Malmin | 2016-01-26 |
| 9072994 | Sieve cloth and method of using same | Arne Malmin | 2015-07-07 |
| 8746460 | Apparatus for sieving and fluid separation and a method of using same | Trond Melhus | 2014-06-10 |
| 8394270 | Fluid treatment and method and use of same | Trond Melhus | 2013-03-12 |
| 8348623 | Apparatus and a method for regulation of the energy potential in a fluid column located within a pipeline | Trond Melhus | 2013-01-08 |
| 8025152 | Sieve apparatus and method for use of same | Trond Melhus, Harald Knutsen | 2011-09-27 |