Patents
Patents for A47L 9 - Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners (27,038)
11/1991
11/27/1991EP0458057A1 Method for operating a vacuum cleaner
11/27/1991EP0332628B1 Vacuum cleaner with two suction heads
11/27/1991CN2089313U Multi-function cleaning vehicle
11/26/1991US5068555 Dust exhauster for a vacuum cleaner having improved cooling
11/26/1991US5067584 Low cost replaceable type sound dampening unit for vacuum cleaning machine
11/24/1991CA2017512A1 Vacuum cleaner with suction indicator
11/21/1991EP0457669A1 Device for remote-sanitising of a surface in a hostile environment by degradation with recuperation and treatment of the wastes
11/21/1991EP0457363A2 Cleaning vehicles
11/21/1991EP0433439A4 Disposable dust bag for vacuum cleaners and the like
11/21/1991DE4015506A1 High quality air prodn. using multiple filter - having mechanical, noble metal coated and varying pH filter elements, pref. with monitor and warning system
11/19/1991US5065473 Filter assembly for a vacuum cleaner
11/13/1991EP0456084A1 Wet vacuum machine
11/13/1991EP0456083A1 Air filter choke indication device for vacuum cleaners, room filters and the like
11/13/1991EP0456021A1 Hand-grip for hand-tool
11/12/1991US5064455 Disposable dust bag for vacuum cleaners and the like
11/12/1991US5064010 Speed and steering control for scrubbers and the like
11/12/1991US5063635 Suction head for attachment to a vacuum cleaner
11/12/1991US5063634 Floor nozzle for a vacuum cleaner
11/12/1991CA1291854C Arrangement of filter bags in electric vacuum cleaners
11/12/1991CA1291853C Electric vacuum cleaner
11/08/1991CA2016267A1 Vacuum cleaner filter bag assembly
11/06/1991EP0455226A2 Automatic switch-on device for a suction apparatus
11/06/1991CN2087936U Dust absorption bag
11/06/1991CN1055869A 真空吸尘器 Vacuum cleaners
11/06/1991CA2041830A1 Suction device for liquids
11/06/1991CA2041829A1 Apparatus for indicating how dirty an air filter is in a vacuum-cleaning apparatus, in a room filter, etc.
11/05/1991US5062870 Shut-off device for cyclonic vacuum cleaner
11/05/1991CA1291602C2 Hand vacuum cleaner
10/1991
10/29/1991US5061305 Vacuum filter unit
10/29/1991US5060339 Blower attachment for a vacuum cleaner
10/29/1991CA1291523C Arrangement in a vacuum cleaner
10/23/1991EP0453296A1 Vacuum cleaner
10/23/1991EP0453177A1 Unattended air cleaning system for surface maintenance machine
10/23/1991EP0453163A1 Vacuum cleaner
10/23/1991EP0452980A2 Cleaning vehicles
10/23/1991EP0452979A2 Cleaning vehicles
10/22/1991US5059223 Vacuum cleaner for simplified dirt disposal
10/22/1991US5058235 Mobile vacuum trash collector
10/17/1991WO1991015146A1 Suction cleaning systems
10/17/1991DE4011666A1 Vacuum cleaner dust bag closure - has free standing clip to close suction opening automatically on dust bag removal
10/16/1991EP0451787A1 Vacuum cleaner with fuzzy control
10/16/1991EP0451401A1 Improved cleaning apparatus
10/16/1991CN2086583U Cover for dust filter of dust collector
10/15/1991US5057131 Vacuum cleaner filter bag assembly
10/15/1991US5056187 Eave trough cleaning apparatus
10/15/1991US5056181 Rotary brush
10/15/1991US5056175 Floor cleaning machine
10/08/1991US5054160 Water heater tank cleaning kit
10/08/1991US5054159 Debris removal apparatus for power blowers
10/08/1991US5054157 Combination stand alone and canister vacuum cleaner
10/08/1991US5054156 Suction nozzle with rotary brush for vacuum cleaner
10/03/1991WO1991014935A1 A method and an apparatus for cleaning control
10/01/1991US5052074 Magnetic pick up device for vacuum cleaner
09/1991
09/25/1991EP0447627A1 Vacuum cleaner ancillary device
09/25/1991EP0447422A1 A linkage system for loading machines.
09/24/1991US5050266 Vacuum cleaner adapter for micro tools
09/24/1991US5050265 Swivel bowl wear insert for debris intake apparatus
09/18/1991CN1054528A Snap-together housing
09/17/1991US5048149 Vac-brush
09/17/1991CA1288908C2 Hand vacuum cleaner
09/12/1991DE4007147A1 Welding pistol - has a suction opening connected to two separators for a long life and easy cleaning
09/10/1991US5047597 Vacuum cleaner switch
09/10/1991US5047075 Dust buster filter for a vacuum cleaner
09/10/1991US5046761 Telescopable vacuum-cleaner suction pipe
09/10/1991US5046218 Nozzle integrating assembly for vacuum cleaners
09/10/1991US5046217 Horizontial mini blind cleaner
09/04/1991EP0444516A2 Stick type vacuum cleaner
09/04/1991CN2083907U Internal circulating type suction cleaner
09/04/1991CN2083906U Floor nozzle for vacuum cleaner
09/03/1991US5045099 Vacuum cleaner bag including collar sealing closure device
09/03/1991CA1288205C Quick release wand for canister vacuum cleaner
09/02/1991CA2023347A1 Stick type vacuum cleaner
08/1991
08/28/1991WO1991012762A1 Vacuum cleaning device
08/28/1991EP0443882A1 Improvements relating to collection devices
08/28/1991EP0443845A1 Vacuum cleaner
08/28/1991EP0443254A1 Electrostatic particle filtration
08/28/1991CN2083470U Dust cleaner of banknote counting machine
08/28/1991CA2053896A1 Device for suction cleaning
08/27/1991US5042844 Hose fixture device
08/27/1991US5042108 Hollow cylindrical body
08/27/1991CA1287954C Vacuum cleaner with operating condition indicator system
08/27/1991CA1287953C Vacuum cleaner with performance monitoring system
08/27/1991CA1287952C Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism
08/22/1991WO1991011954A1 Vacuum cleaner nozzles
08/22/1991DE4004855A1 Wet and dry suction cleaner with rotary coupling - has two axially-spaced annular grooves in extension tube for locking bolt and cleansing liq. supply
08/20/1991US5040264 Deodorizing vacuum bag with static protection
08/20/1991US5040263 Carrying belt arrangement for a vacuum cleaner
08/14/1991EP0441320A1 Vacuum cleaner nozzle with electrically driven brush
08/14/1991DE4004177A1 Wet and dry suction cleaner - has air filter and provision for two alternative sizes of dust container mountable beneath fan unit on common underframe
08/14/1991CN2082597U Accessories of suction type cleaner
08/13/1991US5039324 Sealable collar vacuum cleaner bag
08/13/1991US5039316 Glove bag adaptor control
08/13/1991US5039133 Suction nozzle coupling having rotatably mounted therein a connector for a suction hose
08/13/1991CA1287455C Outlet port baffle for exhaust air
08/07/1991EP0439700A1 Fabrication process for a dustbag closure device
08/07/1991EP0439581A1 Air-floated apparatus
08/06/1991CA2024778A1 Suction controlling arrangement canister vacuum cleaner
07/1991
07/31/1991EP0438827A1 Apparatus comprising an electric motor having a variable motor power
07/29/1991CA2008802A1 Vacuum cleaner switch
07/24/1991EP0437734A1 An upright vacuum cleaner