Method and apparatus for testing and using membrane filters in an on site of use housing
US4384474A · kind A · utility
103Cited by
13References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 1981 |
| Grant date | May 24, 1983 |
| Priority date | — |
| Expiry date | May 20, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2313/44
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved method and apparatus for controlled pressure testing at least one membrane filter in an on site of use housing, and to simultaneously test a plurality of membrane filters in a covered common housing at the site of use to independently determine by visual flow indicators if each filter is acceptable for use or is defective.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.