1
Heinz Holsten, Joachim Bahnemann: Hand-guided sweeping machine. Hako Werke & Co, Foley & Lardner, December 4, 1990: US04974283 (127 worldwide citation)

A hand-guided sweeping machine has a filter housing pivotally mounted to tilt about an axis to facilitate shaking the filter free of dust. The filter housing outlet is in sealing registry with the blower intake when the housing is lowered, and is moved out of sealing registry when the housing is rai ...


2
Geoffrey B Rench, Stephen Jacobs, Frank Jolly: Carpet cleaning machine for particulate removal. Racine, Jansson & Shupe, May 3, 1994: US05307538 (103 worldwide citation)

The improved carpet cleaning machine, intended for use with "dry" carpet cleaning systems using dampened granules or particles, can be used in either of two modes. One involves carpet "brushing" for dirt removal by urging particles into the carpet and along the fibers. The other involves later vacuu ...


3
Yukimichi Matsumoto, Hiroshi Ota, Yuji Onishi, Kenji Kimura, Takayuki Tujii, Masahiro Sato, Kouji Ninomiya, Kazumasa Hayashi: Cyclonic vacuum cleaner. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, September 30, 2003: US06625845 (95 worldwide citation)

In an electric vacuum cleaner, in a suction air passage provided between a nozzle unit having a nozzle and an electric blower for producing a suction air flow, a separator for separating dust from the suction air flow is arranged. In the separator, a dust collection chamber for collecting the separa ...


4
John S Murphy, Jeffrey M Kalman, David J Boll: Stick vacuum with dirt cup. Royal Appliance Mfg Co, Fay Sharpe Fagan Minnich & McKee, August 17, 2004: US06775882 (58 worldwide citation)

An upright vacuum cleaner includes a floor nozzle having a suction inlet and a handle. A housing has a first portion connected to the floor nozzle, a second portion connected to the handle and defines a cavity and at least one chamber. A dirt cup assembly is releasably connected to the housing and i ...


5
Daniel Bone: Self-cleaning vacuum cleaner and receptacle therefor. Black & Decker, John Yun, Bruce S Shapiro, Wesley Muller, June 17, 2008: US07386916 (44 worldwide citation)

A self-cleaning vacuum cleaner 1 is disclosed. The vacuum cleaner 1 comprises a housing 2 having an inlet 5 and an outlet 6, and a fan arranged within the housing 2 for causing air to flow through a coarse filter and a fine filter. A vibrator mechanism causes vibration of the fine filter, and the va ...


6
Marco Ferrari, Michael R Fowler, Kelly B McVey: Stick type vacuum cleaner with a dirt cup secured by a finger-operated latch. White Consolidated, Pearne Gordon McCoy & Granger, April 28, 1992: US05107567 (44 worldwide citation)

A lightweight upright vacuum cleaner having a porous filter bag and a re-usable dirt cup in which the handle has two positions for either upright usage, or substantially horizontal usage on stairs, or the like. The cleaner is further provided with a rigid support bar connecting the handle to the bas ...


7
Hyoung Jong Jin, Jang Keun Oh: Filter assembly for a cyclone-type dust collecting apparatus of vacuum cleaner. Samsung Gwangju Electronics, Ohlandt Greeley Ruggiero & Perle L, December 26, 2006: US07152276 (37 worldwide citation)

A filter assembly for a cyclone-type dust collecting apparatus of a vacuum cleaner which filters dust included in the air current discharged from the outlet port of the cyclone-type dust collecting apparatus. The present filter assembly comprises a rotating filter rotatively coupled against the outl ...


8
Wayne Ernest Conrad: Upright vacuum cleaner. G B D, Bereskin & Parr S E N C R L s r l, Philip C Mendes da Costa, May 1, 2012: US08166607 (35 worldwide citation)

Several embodiments of an upright surface cleaning apparatus are disclosed. The surface cleaning apparatus has a first cyclonic cleaning stage and comprises a surface cleaning head having a dirty fluid inlet. A fluid flow path extends from the dirty fluid inlet to a clean air outlet of the upright s ...


9
Michael J McCormick, Henry Marcussen, J Erik Hitzelberger, Tamaki Nishikori, Hiroshi Nishimura, Eric J Streciwilk: Airflow system for bagless vacuum cleaner. Panasonic Corporation of North America, King & Schickli PLLC, May 29, 2007: US07222392 (35 worldwide citation)

A bagless vacuum cleaner (10) includes a nozzle assembly (16) having a suction nozzle for picking up dirt and debris from a surface to be cleaned and a canister assembly (18) including a cavity (32). A dust collection assembly (12) is received and held in that cavity (32). The dust collection assemb ...


10
Katuzi Ikezaki, Kiyoshi Ishii: Vacuum cleaner. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, June 3, 1986: US04592764 (35 worldwide citation)

A body of a vacuum cleaner comprising three subassemblies, i.e., a front subassembly, a central subassembly, and a rear subassembly. The front subassembly stores the matter drawn through a suction port formed in a suitable position. The central subassembly can be connected and disconnected with the ...