1
Rudy A Vandenbelt, Bjarki Hallgrinsson: Dual filter wet/dry hand-held vacuum cleaner. Headwaters Research & Development, Albert Peter Durigon, August 20, 2002: US06434785 (94 worldwide citation)

A dual filter wet/dry hand-held vacuum cleaner includes a two-stage filtration system effective to provide liquid and/or dry pick-up while minimizing the frequency with which it needs cleaned out that, at cleanup time, may be cleaned efficiently with little or no dust generation and minimal or no di ...


2
Nick M Bosyj, John A Leonatti, Vincent L Weber, Gregory P Wagner: Wet and dry vacuum cleaner. The Hoover Company, May 23, 1989: US04831685 (70 worldwide citation)

A filter, separator and seal arrangement is disclosed for a wet and dry hand held vacuum cleaner. A cup-shaped filter is provided which is elongated to provide a large area for enhancing sustained air performance of the cleaner with the filter being disposed within a liquid separator so as to be gen ...


3
Werner W Kochte, Paul K Meeker: Hand-held vacuum cleaner. The Scott & Fetzer Company, Pearne Gordon Sessions McCoy Granger & Tilberry, March 4, 1986: US04573234 (62 worldwide citation)

A battery-operated dust cup type, hand-held vacuum cleaner is provided with wall-mounted store-and-charge means that supports the cleaner in upwardly pointed position. The cleaner is also rechargeable independently of the storage bracket, using the same charging means. The flap valve associated with ...


4
Werner W Kochte, Susan K Nimon: Hand vacuum with tilting intake. The Scott & Fetzer Company, Pearne Gordon Sessions McCoy Granger & Tilberry, March 4, 1986: US04573237 (61 worldwide citation)

A hand held vacuum cleaner of the type having a detachable dust cup is provided with a tiltable nozzle at the intake or forward end of the dust cup.


5
Stephen Houghton, Barry Pears, Daniel W K Hong: Multi-operational battery powered vacuum cleaner. Black & Decker, Harness Dickey & Pierce, January 11, 2005: US06839934 (56 worldwide citation)

A multi-operational battery powered vacuum cleaner (1) comprising a hand held vacuum cleaner (1) releasably mounted within a caddy (15) which has a detachable handle (51) and a floor engaging head (19). The hand held unit (1) may be released from the caddy to be used in a first hand held operation. ...


6
Naoki Ishihara, Choy K Kuen: Hand held vacuum cleaner. Moonray Kojima, September 9, 1986: US04610048 (41 worldwide citation)

A hand held vacuum cleaner comprising a first unit interconnected with a second unit by a locking mechanism. The first unit comprises an extendable telescoping mouth section, and the second unit comprises a motor, fan, handle, and filter. The locking mechanism comprises a resiliently held button on ...


7
David R Hult, Mark J Tomasiak: Portable hand held vacuum cleaner. Emerson Electric Co, Polster Polster and Lucchesi, May 1, 1990: US04920608 (40 worldwide citation)

A portable hand held vacuum cleaner is disclosed as having a housing with a handle to lift and operate the vacuum cleaner, and a nozzle/debris container releasably locked to the housing. The housing contains a motor driven blower that draws air and debris (wet or dry) into the nozzle/debris containe ...


8
Kyoichi Yamamoto, Syouiti Tohya: Hand-held vacuum cleaner. Sanyo Electric, Darby & Darby, May 24, 1988: US04745654 (38 worldwide citation)

A hand-held vacuum cleaner comprising a dust case having an upward opening and an air-permeable filter wall formed as at least a portion of its structural wall, the dust case being removably fitted in a dust collecting recess formed in the main body of the cleaner, a partitioning member having a suc ...


9
James J Kopco, John F Sovis: Adaptor and bag insert. Royal Appliance Mfg Co, Fay Sharpe Beall Fagan Minnich McKee, January 31, 1989: US04800614 (31 worldwide citation)

A disposable bag filters dirt particles and the like from exhaust air of a hand-held vacuum cleaner. The motor housing of the vacuum cleaner receives a conventional reusable bag thereon and an adaptor facilitates changeover of existing vacuum cleaners to accommodate the disposable bag. A reinforcing ...


10
David R Hult, Mark J Tomasiak: Portable hand held vacuum cleaner. Emerson Electric Co, Polster Polster and Lucchesi, June 25, 1991: US05025529 (30 worldwide citation)

A portable hand held vacuum cleaner is disclosed as having a housing with a handle to lift and operate the vacuum cleaner, and a nozzle/debris container releasably locked to the housing. The housing contains a motor driven blower that draws air and debris (wet or dry) into the nozzle/debris containe ...