Extraction with heated cleaning fluid
US7849556B1 · kind B1 · utility
15Cited by
7References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 2005 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | May 10, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4083
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A portable carpet cleaning apparatus comprises a module for movement along a surface, a cleaning fluid dispensing system for applying a cleaning fluid to the surface, optionally, a rotating brush assembly, a suction nozzle and a vacuum source fluidly connected to the suction nozzle and a heating element for heating the cleaning fluid immediately prior to the application of the cleaning fluid to the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.