Window cleaning apparatus with deionization cartridge
US7874757B2 · kind B2 · utility
1Cited by
13References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 21, 2007 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | Nov 26, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cleaning apparatus for cleaning surfaces connects to a water source, and uses a portable cylindrical deionized water unit, a garden hose, a replaceable ion exchange resin cartridge, a brush pole system, and a second hose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.