Extraction cleaning machine with cleaning control
US6446302B1 · kind B1 · utility
177Cited by
15References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2000 |
| Grant date | Sep 10, 2002 |
| Priority date | — |
| Expiry date | Jun 13, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/40
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The invention relates to an extraction cleaning machine including condition sensors for generating condition signals representative of a condition of the surface being cleaned, a controller, and variable-control cleaning systems, wherein the controller sends control signals to the variable-control cleaning systems in response to sensor signals received from the condition sensors. The invention further relates to a self-propelled extraction cleaning machine, and to an extraction cleaning machine including condition sensors and audible or visual indicators to notify the operator of the condition of the surface being cleaned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.