Floating spider
US9068404B2 · kind B2 · utility
3Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2012 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Nov 8, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus and methods for engaging and gripping a tubular, with the apparatus including a sleeve having a body defining an internal chamber therein, with the sleeve configured to receive the tubular through the internal chamber. The apparatus may also include a laterally translatable spider disposed at least partially in the sleeve and including a bore to receive the tubular.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.