Spa filter system
US6592341B1 · kind B1 · utility
16Cited by
7References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 11, 2002 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Jan 11, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/46
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus for filtering spa water includes a therapy pump and a circulation pump. A filter of unitary construction includes a surface loading filter element for filtering water passing through the therapy pump and a depth loading filter element for filtering water passing through the circulation pump. A connector releasably interconnects the two filter elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.