Precision axial flow valve
US7910815B2 · kind B2 · utility
2Cited by
9References
15Claims
0Family size
Inventor
Key dates
| Filing date | Jun 19, 2009 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Aug 13, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49412
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention relates to the field of brass wind musical instruments, and more specifically to an improved axial flow valve which resists wear and optimizes air flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.