1
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 ...


2
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 ...


3
Michael F Wright, Charles J Thur, Brett Latimer, Paul D Stephens: Upright vacuum cleaner with cyclonic airflow. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, December 21, 1999: US06003196 (69 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 ...


4
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 ...


5
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 ...


6
Paul D Stephens: Latch assembly for blower of wet/dry vacuum cleaner. Royal Appliance Mfg Co, Fay Sharpe Beall Fagan Minnich & McKee, April 11, 1995: US05404614 (51 worldwide citation)

A quick attach-detach assembly of a wet-dry vacuum cleaner for selectively mounting an air blower on a lid includes a blower housing supporting a motor and a fan mounted to the motor and a lid to which the housing can be removably secured. The lid includes an aperture, an annular wall encircling the ...


7
Craig M Saunders, Paul D Stephens, Michael F Wright: Stick type vacuum cleaner. Royal Appliance Mfg Co, Fay Sharpe Beall Fagan Minnich & McKee, September 20, 1994: US05347679 (46 worldwide citation)

A portable stick-type vacuum cleaner includes an elongated housing and a substantially triangular nozzle which is selectively securable to the housing. The nozzle includes a nozzle body having a bottom surface and a top surface. A V-shaped suction opening is located on the bottom surface of the nozz ...


8
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 ...


9
Paul D Stephens, Jeffrey M Kalman, Charles J Thur: Dirt cup assembly for vacuum cleaner. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, August 20, 2002: US06436160 (46 worldwide citation)

A dirt cup assembly for a vacuum cleaner includes a dirt cup having a dust collection chamber, a first inlet duct, and a second inlet duct spaced from the first inlet duct. A dirt cup lid can be removably secured to the dirt cup, or can be associated with the vacuum cleaner upper assembly. The dirt ...


10
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 ...