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https://drivepatents.com/patents/1391860 · 18 Mar 2026
An apparatus (10) for cleaning a surface includes a liquid delivery system (12) for storing cleaning liquid and delivering the cleaning liquid to the surface to be cleaned, a fluid recovery system (14) and a control system. The control system includes a co...
https://drivepatents.com/patents/946320 · 10 Feb 2016
The present invention discloses a portable car-cleaning device, which comprises a cleaning brush (1) and at least one water storage chamber with a water inlet, at least one the chamber being provided with at least one washing dewatering device (21) that in...