Plug with a resettable closure member
US11199073B2 · kind B2 · utility
1Cited by
13References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2020 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Jan 31, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/05
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A plug with a resettable closure member including a body defining a flow bore and a closure member seat, a closure assembly connected to the body, the assembly includes a closure member and a magnetic catch disposed to hold the closure member in an open position, the magnetic catch being configured to release the closure member upon a selected hydrodynamic load upon the closure member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.