Pipeline pig
US8407844B2 · kind B2 · utility
1Cited by
12References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 8, 2009 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Jul 31, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B9/055
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for travelling along a pipeline having fluid flowing along it comprises a turbine for extracting power from the fluid flow and using that power to move the device along the pipeline against the fluid flow. The device is arranged in a series of coupled modules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.