Chemical recovery filter
US4202771A · kind A · utility
2Cited by
10References
2Claims
0Family size
Inventor
Key dates
| Filing date | Dec 29, 1978 |
| Grant date | May 13, 1980 |
| Priority date | — |
| Expiry date | Dec 29, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D35/147
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A chemical recovery filter including a new and improved structure which allows rapid and efficient replacement of filter canisters. The structure incorporates snap-connector fittings and a by-pass safety feature in the event of plugging within the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.