Patent · US Active

Drill bit with wear shield

US11187045B2 · kind B2 · utility

0Cited by

8References

11Claims

0Family size

Assignee

Element Six Limited · IE

Inventors

Bernd Heinrich Ries · Hünfeld, DE
Hauke Hinners · Burghaun, DE
Ian Grenbjörk · Avesta, SE
Tomas Rostvall · Stockholm, SE

Key dates

Filing date	Jan 3, 2019
Grant date	Nov 30, 2021
Priority date	—
Expiry date	Jan 3, 2039

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B10/56
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

This disclosure relates to a percussive drill bit comprising PCD studs and a hard facing material that is strategically located to minimise stud pop outs and the amount of hard facing material used.

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