Inventor
Sigurd Ree
Inventor
Loddefjord, NO
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids50%
F04DNon-positive-displacement pumps25%
E21BEarth or rock drilling13%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants13%
PatentTitleYear
9,732,760'Impeller for centrifugal pump and use thereof when pumping drill fluid containing cuttings'20179,534,601'Pump'20179,057,233'Boost system and method for dual gradient drilling'20158,613,608'Progressive cavity pump having an inner rotor, an outer rotor, and transition end piece'20138,556,603'Progressing cavity pump adapted for pumping of compressible fluids'20138,496,456'Progressive cavity pump including inner and outer rotors and a wheel gear maintaining an interrelated speed ratio'20138,388,327'Progressing cavity pump with several pump sections'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2015Patents assigned to AGR SUBSEA AS (5)· patent assignee history
2013–2017Patents assigned to REE SIGURD (5)· patent assignee history
2013–2017Based in Loddefjord, NO· patent location history
2017Patents assigned to ENHANCED DRILLING AS (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGR SUBSEA AS | 5 | 2013–2015 |
| REE SIGURDself | 5 | 2013–2017 |
| ENHANCED DRILLING AS | 2 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Loddefjord, NO | 7 | 2013–2017 |