Fluid filter cartridge with replaceable filter element
US5342519A · kind A · utility
104Cited by
20References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1993 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Jul 30, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/17
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A spin-on fluid filter cartridge with a replaceable filter element is provided, comprising a housing, an internally threaded annular collar, a replaceable filter element, and an externally threaded mounting head assembly. The annular collar is secured inside the housing at its open upper end. A sealing ring in an annular channel adjacent the external threads of the mounting head seals the cartridge when the mounting head assembly is threaded into the annular collar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.