Patent · US Active

Liquid extraction cleaning device and method

US9706893B2 · kind B2 · utility

5Cited by

27References

12Claims

0Family size

Assignee

RUG DOCTOR, LLC · US

Inventors

Timothy J. Wall · Plano, US
Ann Marie Morrow · Plano, US
Walter Haug · Blaustein, DE
Phuong Le · Holden, US
Charles Michael Ostendorf · Clinton, US
Schubert Pereira · Fenton, US
Ernest Matthew Chavana, Jr. · Fenton, US
Vincent Lau · Fenton, US
Jason Edward Hill · University City, US
Jason Tilk · Cleveland Heights, US
Evan Spirk · Cleveland, US
Lindsey Tufts, Jr. · Euclid, US
Craig Saunders · Rocky River, US
Paul D. Stephens · Twinsburg, US

Key dates

Filing date	Jan 29, 2015
Grant date	Jul 18, 2017
Priority date	—
Expiry date	Feb 10, 2036

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L11/4088
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A liquid extraction cleaning device comprises a main unit, a liquid pump, a flexible hose, and a hand tool. The main unit comprises a vacuum pump. The hand tool comprises a vacuum inlet port, an agitator, a spray nozzle, and a grip portion. The vacuum inlet port of the hand tool is operatively connected to the vacuum pump via the hose passageway in a manner such that the vacuum pump is capable of drawing fluid through the vacuum inlet port and into the hose passageway. The spray nozzle is operatively connected to the liquid pump in a manner such that the liquid pump is capable of forcing liquid out of the spray nozzle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.