Patent · US Active

Auger bit

US7571781B2 · kind B2 · utility

5Cited by

12References

10Claims

0Family size

Assignee

BAUER Maschinen GmbH · DE

Inventor

Erwin Stoetzer · Aichach, DE

Key dates

Filing date	Apr 25, 2007
Grant date	Aug 11, 2009
Priority date	—
Expiry date	Apr 25, 2027

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B10/42
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The invention relates to an auger bit for an earth auger, in which at least two curved plates are provided and extend radially outwards from a drilling axis, the axial height decreasing radially outwards.

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