Patent · US Expired

Compact device for measuring the speed and the direction of rotation of an object

US7406883B2 · kind B2 · utility

1Cited by
10References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 2003
Grant dateAug 5, 2008
Priority date
Expiry dateJun 25, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01D2205/85
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention concerns a device for measuring the speed and direction of rotation of an object (3) near to which it is placed. It comprises: Application particularly in the oil industry.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.