Filter device
US7967977B2 · kind B2 · utility
0Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 16, 2006 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Jun 3, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/4046
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter device, especially a line filter forming part of hydraulic installations, includes a filter housing (1) that can be removed from a filter head and is used to receive a filter element (5) that separates a non-filtered side (13) from a filtered side (11) in a position in the filter housing for the operation of the filter. The filter device is provided with a display device (19, 21) signaling the absence or presence of the filter element (5) in the filter housing (1) in the operating position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.