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John S Murphy, Robert Matousek, Richard C Farone, David M Brickner, Jeffrey M Kalman, Craig M Saunders, Michael F Wright: Upright vacuum cleaner. Royal Appliance Mfg Co, Fay Sharpe Beall Fagan Minnich & McKee, January 11, 2000: US06012200 (69 worldwide citation)

An upright vacuum cleaner includes a nozzle base (12) with at least one suction opening (60) formed therein. A rotatable brushroll (64) is positioned adjacent to the suction opening (60) for agitating a surface being cleaned. A suction source (54) is housed within the nozzle base (12). A dust cup as ...


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David M Brickner, John S Murphy, Michael F Wright, Kyoshi Yokote: Vacuum cleaner with above-floor cleaning tool. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, November 20, 2001: US06317920 (44 worldwide citation)

A vacuum cleaning including a nozzle base comprising a primary and secondary suction opening, a suction source positioned within a first cavity in the nozzle base, and a dust cup releasably positioned within a second cavity in the base. The dust cup comprises a first inlet in communication with the ...


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John S Murphy, Richard C Farone, Laurie Shumaker, Robert A Matousek, Craig Saunders, Jeffrey M Kalman, Michael F Wright, David M Brickner: Hand-held scrubbing device. Royal Appliance Mfg Co, Fay Sharpe Beall Fagan Minnich & McKee, September 14, 1999: US05950268 (37 worldwide citation)

A hand-held scrubbing device used for cleaning and/or scrubbing bathroom walls, tile, tubs, faucets, crevices, shower stalls, and other surfaces. The hand-held scrubbing device includes a head which is rotatable about a longitudinal axis of an elongated body portion of the device. The head can simul ...


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Paul D Stephens, Michael F Wright, Robert A Matousek, David M Brickner: Method for manufacturing a bucket for a wet/dry vacuum cleaner. Royal Appliance Mfg Co, Fay Sharpe Beall Fagan Minnich & McKee, July 16, 1996: US05535500 (32 worldwide citation)

A method for manufacturing a bucket of a wet/dry vacuum cleaner includes the step of producing a one piece conical shell with an open top end and an open bottom end. The shell is tapered such that its bottom end has a larger diameter than its top end. A base plate is also produced. Subsequently, the ...


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David M Brickner, John S Murphy, Michael F Wright, Kyoshi Yokote: Combination brushroll and nozzle inlet control mechanism. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, April 3, 2001: US06209168 (9 worldwide citation)

A vacuum cleaner including a nozzle base comprising a primary suction opening and a suction source. A dust cup assembly is releasably secured to the nozzle base. The dust cup assembly comprises a first inlet and a door positioned adjacent the inlet to selectively open and close the inlet. A rotatabl ...


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