Rotary carpet cleaning machine
US7530135B2 · kind B2 · utility
6Cited by
14References
11Claims
0Family size
Inventor
Key dates
| Filing date | Dec 30, 2004 |
| Grant date | May 12, 2009 |
| Priority date | — |
| Expiry date | Dec 19, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4088
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Embodiments of a rotary style carpet cleaning machine incorporating a heated reservoir of a foaming-type cleaning solution are described. The heated solution increases the chemical cleaning activity of the solution while the agitation of the carpet pile provides additional cleaning capability. In certain embodiments, a quick discount is provided on the heater assembly to permit a stair/upholstery to utilize the heated cleaning solution in the rotary cleaning machine's reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.