One cone bit with interchangeable cutting structures, a box-end connection, and integral sensory devices
US6814162B2 · kind B2 · utility
47Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2002 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Oct 10, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/013
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill bit, comprising a bit body, a sensor disposed in the bit body, a single journal removably mounted to the bit body, and a roller cone rotatably mounted to the single journal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.