Patent · US Active

Level with magnetic coupling

US11054257B2 · kind B2 · utility

1Cited by
43References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 2019
Grant dateJul 6, 2021
Priority date
Expiry dateJul 31, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C9/28
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A tool, such as a level, including one or more magnetic coupling device is provided. The magnetic coupling device may be a magnetic circuit including metal components surrounding a magnet, such as a permanent rare-earth magnet.

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