Sealing arrangement
US11572755B2 · kind B2 · utility
0Cited by
6References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 4, 2017 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Nov 27, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1212
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sealing arrangement for an oil and/or gas well, including a rotation portion and a sealing portion. Rotation of the rotation portion causes the sealing portion to engage a surface of the oil and/or gas well so as to substantially form a seal therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.