Electrical wiring for drill pipe, casing, and tubing
US8739861B2 · kind B2 · utility
8Cited by
43References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2011 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Mar 30, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R13/64
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus includes a first pin and a second pin. The first pin has a first joint section. The first joint section has first holes extending a length of the first joint section and terminating at a first preload face. The second pin has a second joint section. The second joint section has second holes extending a length of the first joint section and terminating at a second preload face. The second joint section is adapted to receive the first joint section and the first holes match the second holes when the first pin and the second pin are mated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.