Valves
US11666743B2 · kind B2 · utility
0Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2019 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Nov 6, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/582
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve comprising: a valve body; and a valve stem disposed at least partially within the valve body, the valve stem comprising a sidewall defining a central lumen and at least one opening in the sidewall, wherein the valve is adapted to prevent fluid flow through the lumen when the at least one opening is disposed within the valve body and permit fluid flow through the lumen when the at least one opening is exposed from the valve body, and wherein the valve is essentially free of a spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.