Rotary valve
US3972350A · kind A · utility
18Cited by
3References
10Claims
0Family size
Inventor
Key dates
| Filing date | Sep 24, 1975 |
| Grant date | Aug 3, 1976 |
| Priority date | — |
| Expiry date | Sep 24, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86445
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An automatic programmed histologic tissue processor is provided with a rotary valve useful for sequentially transporting the various treating fluids from their respective stock fluid containers to the processing chamber and for returning each fluid to its respective container after it has been used in the programmed processing procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.