Submersible pumps
US6557642B2 · kind B2 · utility
63Cited by
6References
13Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Feb 28, 2001 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Feb 28, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/128
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An oil flow line and power device system has a tube for the transportation of oil and a power device which can be received in the tube. The tube is provided with an electric power transmission line extending along at least some of the length and has a first power transfer unit which can cooperate with a second power transfer unit on the power outlet device such that the other power transfer units cooperate to transfer power from the transmission line to the power device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.