Patent · US Active

Core catcher

US10107055B2 · kind B2 · utility

0Cited by
23References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 2016
Grant dateOct 23, 2018
Priority date—
Expiry dateFeb 28, 2037

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B49/06
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A rotary coring bit and rotary coring tool which includes a core catching torsion spring.

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