Adjustable drill bit
US8739903B2 · kind B2 · utility
2Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2008 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Jul 9, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/909
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rotary drill bit is provided comprising a bit body, which includes a connecting portion for connection to a conveyance and a drilling portion. The drilling portion includes a plurality of cutting elements each having at least one cutting surface, the drilling portion being operable in at least two different drilling orientations, and the drilling surface being rotatable in one of two opposing directions, being a first direction and an opposing second direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.