Patent · US Active

Pipeline pig

US8407844B2 · kind B2 · utility

1Cited by
12References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 8, 2009
Grant dateApr 2, 2013
Priority date
Expiry dateJul 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.