Progressive cavity hydraulic machine
US9051780B2 · kind B2 · utility
13Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2008 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | Apr 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/32341
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
This invention relates to machine-building, more specifically, to the design and manufacturing of positive displacement motors various embodiments of which are used for hydrocarbon production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.