Filter device
US8955824B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2013 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Mar 9, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0402
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fluid filter device (1) includes an opening (14) for draining the fluid (33), a first counter thread (13), a closure element (12) for a fluid-tight closure of the opening screwed in with a thread (11) thereof into the first counter thread (13), a second counter thread (17) into which a connecting element (21) with a thread (22) thereof is screwable for simultaneously unscrewing the closure element (12) from the first counter thread (13) and thereby releasing the opening (14) for draining the fluid (33).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.