Patents for A47L 11 - Machines for cleaning floors, carpets, furniture, walls, or wall coverings (10,776)
01/1978
01/10/1978US4067082 Carpet cleaning
12/1977
12/20/1977US4063961 Method for cleaning carpet
12/13/1977US4062085 Suction cleaning apparatus
11/1977
11/29/1977US4059863 Combustion engine powered floor buffer
09/1977
09/27/1977US4050112 Industrial floor cleaning machine with vacuum dust collector
09/06/1977US4046989 Hot water extraction unit having electrical immersion heater
08/1977
08/30/1977US4044848 Floor treating machines
08/16/1977US4041569 Separator system
08/16/1977US4041567 Combination sweeping-scrubbing apparatus
08/09/1977US4040138 Drive for use in a sweeping device
07/1977
07/26/1977US4037369 Floor maintenance brush
07/26/1977US4037289 Scrubber squeegee apparatus
07/26/1977US4037287 Buffing machine pad cleaning device
07/12/1977US4034434 Sweeper dust seal
06/1977
06/14/1977US4028765 Floor or carpet sweeper
06/07/1977USRE29247 Surface treating attachment device
05/1977
05/24/1977US4024597 Simultaneous floor edge and baseboard cleaner
05/17/1977US4023233 Surface cleaning device
04/1977
04/26/1977US4019662 Feeder for coherent particulate material
04/26/1977US4019218 Carpet soil extractor
04/05/1977US4015589 Steam cleaner protection screen
03/1977
03/29/1977US4014067 Carpet cleaning implement
03/22/1977US4012805 Carpet shampooer
03/08/1977US4010507 Riding attachment to floor buffer machine
03/01/1977US4009728 Water valve assembly
03/01/1977US4009500 Floor scrubbing apparatus
02/1977
02/15/1977US4007510 Brush head
02/15/1977US4007508 Manual floor sweeper
02/08/1977US4007026 Compact dust filter system
02/08/1977US4006506 Surface cleaning machine with squeegee assembly
02/01/1977US4005502 Electric power scrubber
01/1977
01/04/1977US4000538 Cleaning device
01/04/1977US4000536 Floor cleaning machine with foam dispensing system
12/1976
12/28/1976US3999242 Cleaning apparatus
12/14/1976US3996640 Filtering mechanism
12/14/1976US3996636 Floor scrubbing machine
11/1976
11/23/1976US3992747 Cleaning tool
11/02/1976US3989184 Apparatus for collecting and classifying a mixture of solid, gaseous and liquid constituents
10/1976
10/26/1976US3987512 Tilting floor cleaner
10/05/1976US3983592 Rug shampooer
09/1976
09/28/1976US3982297 Automatic cleaner
09/21/1976US3981596 Floor finish applicator
09/14/1976US3979789 Dust control for power floor treating apparatus
09/07/1976US3978539 Floor sweeper with auxiliary rotary brushes
08/1976
08/31/1976US3977421 Buffing machine
08/17/1976US3974541 Apparatus for cleaning a floor cover
08/03/1976US3972088 Electric floor scrubber
07/1976
07/27/1976US3971091 Automatic apparatuses, robots and the like
06/1976
06/22/1976US3964925 Apparatus for treating floor coverings
06/15/1976US3962745 Wall rug cleaning machine
06/08/1976US3961392 Cleaning device for shower enclosure tracks
06/01/1976US3959844 Carpet soil extractor
05/1976
05/25/1976US3958298 Cleaning nozzle
04/1976
04/27/1976US3952362 Nozzle device for cleanser foam suction apparatus
04/27/1976US3952361 Floor treating machines
04/20/1976US3951597 Chlorinated hydrocarbon solvent
04/20/1976US3950812 Portable wiping machine for wet surfaces
04/20/1976US3950811 Sweeper attachment for a factory fork lift truck
04/06/1976US3947911 Tilting floor cleaner
03/1976
03/23/1976US3945078 Floor scrubber
03/16/1976US3943591 Fluid-product projection apparatus for maintenance of various articles
03/09/1976US3942218 Scrubbing machine
03/09/1976US3942217 Carpet cleaning machine
03/09/1976US3942215 Floor maintenance machine
03/02/1976US3940826 Portable surface cleaner
02/1976
02/24/1976US3939527 Portable surface cleaner
02/24/1976US3939518 Floor treatment machine
02/24/1976US3939515 Dual purpose cleaning apparatus
02/17/1976US3938236 Method of manufacturing brushing apparatus
02/17/1976US3938212 Scrubbing machine
02/10/1976US3937174 Sweeper having at least one side brush
02/03/1976US3936199 Method of and apparatus for the cleaning of textiles
02/03/1976US3935922 Vehicle guidance mechanism
01/1976
01/13/1976US3931662 Floor cleaning machine with vacuum pickup
01/13/1976US3931659 Floor treating machine
01/06/1976US3930281 Floor cleaning machine