Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795927 | Pump device | — | 2023-10-24 |
| 10126758 | Flow control valve | — | 2018-11-13 |
| 9970559 | Pressure volume regulator | — | 2018-05-15 |
| 9657553 | Intermediate storage | — | 2017-05-23 |
| 8678000 | Portable breathing apparatus | — | 2014-03-25 |
| 8667888 | Flexible chamber | — | 2014-03-11 |
| 7040320 | Valve device for controlled supply of a pressure fluid | Anders Fjeld | 2006-05-09 |
| 6805145 | Method and device for maintaining a fluid pressure in a defined volume | — | 2004-10-19 |
| 6773605 | Method and system for controlling a separator unit for multiphase separation of fluids | Knut Olaf Nyborg | 2004-08-10 |
| 6752168 | System for controlling the working conditions for mechanical pumps, and a regulation valve for such a system | Finn Wichstrom | 2004-06-22 |
| 6695005 | Pressure regulating valve | — | 2004-02-24 |
| 6649047 | Protection system to prevent damage to a gas diffusion membrane | — | 2003-11-18 |
| 6516825 | Method and valve device for counteracting harmful pressure pulses in a hydraulic system | Finn Wichstrøm | 2003-02-11 |
| 5918639 | Device for repairing damage or providing branchings on existing pipe installations | Hans Knutsen | 1999-07-06 |
| 5690098 | Servo gas regulating valve | — | 1997-11-25 |
| 5542417 | Pressure regulating unit for supplying a pressurized fluid from alternative supply lines | — | 1996-08-06 |
| 5537995 | Breathing system having breathing bag and supplemental gas dosing controls | — | 1996-07-23 |
| 5526804 | Self-sufficient emergency breathing device | — | 1996-06-18 |
| 5490539 | Pressure regulator for maintaining a stable flow level of a fluid | — | 1996-02-13 |
| 5461901 | Testing apparatus for pressure gauges implementing pneumatic feedback to control stepless regulating valve | — | 1995-10-31 |
| 4793340 | Breathing system for divers | — | 1988-12-27 |
| 4711263 | Double-acting valve system for underwater breathing or the like | — | 1987-12-08 |
| 4534380 | Gas regulator valve | — | 1985-08-13 |
| 4288396 | Method and device for conditioning of breathing air for divers | — | 1981-09-08 |