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Michael F Wright, Charles J Thur, Brett Latimer, Paul D Stephens, Mark E Cipolla, Craig J Barbeck: Upright vacuum cleaner with cyclonic airflow. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, February 1, 2005: US06848146 (73 worldwide citation)

A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an outlet of the cyclonic chamber, a ...


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Michael F Wright, Charles J Thur, Brett Latimer, Paul D Stephens, Mark E Cipolla, Craig J Barbeck: Upright vacuum cleaner with cyclonic airflow. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, July 17, 2001: US06260234 (69 worldwide citation)

A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an outlet of the cyclonic chamber, a ...


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Robert A Salo, Charles J Thur, Paul D Stephens, Mark E Cipolla, Michael F Wright: Upright vacuum cleaner with cyclonic airflow pathway. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, January 29, 2002: US06341404 (58 worldwide citation)

An upright vacuum cleaner includes an upright housing section and a nozzle base section. A cyclonic airflow dirt and dust separating chamber is defined in the upright housing section. A suction source pulls air and entrained dirt, dust, and other contaminants through a main suction opening formed in ...


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Michael F Wright, Charles J Thur, Brett A Latimer, Paul D Stephens, Mark E Cipolla: Upright vacuum cleaner with cyclonic airflow. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, February 22, 2000: US06026540 (57 worldwide citation)

An upright vacuum cleaner (A) includes an upright housing section (B) and a nozzle section (C). A cyclonic airflow dirt and dust separating chamber (54) is defined in said upright housing section. A suction source (E) pulls air and entrained dirt, dust, and other contaminants through a main suction ...


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Mark E Cipolla: Telescoping wand for vacuum cleaners. Royal Appliance Mfg Co, Fay Sharpe Beall Fagan Minnich & McKee, October 31, 1995: US05462311 (46 worldwide citation)

A telescoping assembly especially suited for vacuum cleaner wands includes a first tube having an outer diameter and a second tube having an inner diameter which is larger than the outer diameter of the first tube. In this way, the first tube fits within the second tube in an axially sliding manner. ...


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Michael F Wright, Charles J Thur, Brett Latimer, Paul D Stephens, Mark E Cipolla, Craig J Barbeck: Upright vacuum cleaner with cyclonic airflow. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, October 15, 2002: US06463622 (46 worldwide citation)

A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an outlet of the cyclonic chamber, a ...


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John S Murphy, Robert A Matousek, Jeffrey M Kalman, Craig M Saunders, Richard C Farone, David DiNunzio, Mark E Cipolla, Paul D Stephens, Michael F Wright, Robert A Salo: Bagless canister vacuum cleaner. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, March 30, 2004: US06712868 (44 worldwide citation)

A bagless canister vacuum cleaner includes a selectively removable dirt cup, and an airstream flows rotationally through the dirt cup between an interior wall of the dirt cup and a filter assembly selectively mounted in the dirt cup so that entrained contaminants are separated from the airstream flo ...


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Michael F Wright, Charles J Thur, Brett Latimer, Paul D Stephens, Mark E Cipolla, Craig J Barbeck: Upright vacuum cleaner with cyclonic airflow. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, June 8, 2004: US06745432 (30 worldwide citation)

A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an outlet of the cyclonic chamber, a ...


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Michael F Wright, Charles J Thur, Brett Latimer, Paul D Stephens, Mark E Cipolla, Craig J Barbeck: Upright vacuum cleaner with cyclonic airflow. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, November 7, 2006: US07131165 (27 worldwide citation)

A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an outlet of the cyclonic chamber, a ...