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Class Information
Number: 15/21.1
Name: Brushing, scrubbing, and general cleaning > Machines > Brushing
Description: Subject matter having a cleaning instrument of the brush or broom type only, and not so differentiated in structure as to fall under any one of the titles of subclasses 22.1-29 of this class, or so especially adapted to a particular situation or class of work as to fall under any of the titles of subclasses 30-88 of this class.










Sub-classes under this class:

Class Number Class Name Patents
15/21.2 Ball cleaner 97
15/36 Boot cleaners and polishers 35
15/30 Boot cleaning, blacking, and polishing 13
15/38 Brush cleaners 37
15/39 Comb cleaners 5
15/88.4 Cylindrical brush moves past work 97
15/40 Flexible-fabric cleaners 32
15/49.1 Floor and wall cleaner 310
15/22.1 Handle mount 766
15/54 Rail sweepers 10
15/56 Receptacle cleaners 63
15/77 Sheet, bar, and plate cleaners 477
15/78 Street sweepers 54
15/39.5 Table top or tablecloth cleaner 5
15/53.1 Vehicle cleaner 43
15/88 Wire, rod, and tube cleaners 145
15/88.1 Work moves past nonrotatable brush 62
15/88.2 Work moves past rotatable brush 185


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8671491 Cleaning and storage unit for pacifiers Mar. 18, 2014
8667634 System for axial bristle motion in a teeth cleaning mouthpiece Mar. 11, 2014
8650693 Sun tracking mechanism with automated cleaning arrangement for solar panel Feb. 18, 2014
8636677 Intraoral appliance for cleaning teeth Jan. 28, 2014
8627534 Cleaning feature for electric charging connector Jan. 14, 2014
8621679 Motorized back scrubber device Jan. 7, 2014
8621700 Mobile sweeper Jan. 7, 2014
8587162 Actuator and electric toothbrush utilizing same Nov. 19, 2013
8566994 Produce bin scrubber and related methods Oct. 29, 2013
8555447 Multiple peeling brush and spacer Oct. 15, 2013
8555446 Fluid distributing brush assembly and method for operating the same Oct. 15, 2013
8490294 Cleaning device for a component of a household washer-dryer Jul. 23, 2013
8474083 Apparatus and method for encouraging hand washing Jul. 2, 2013
8474084 System for cleaning surface of solar cell panel Jul. 2, 2013
8458840 Device for back massage Jun. 11, 2013
8448288 Semiconductor equipment May. 28, 2013
8442683 Cleaning robot and control method thereof May. 14, 2013
8347442 Barbeque grill cleaning device Jan. 8, 2013
8327488 Actuator and electric toothbrush using the same Dec. 11, 2012
8317933 Automatic coin-operated or electronic card-operated washing machine and dryer for helmets Nov. 27, 2012
8313259 Keyboard Nov. 20, 2012
8307487 Cleaning device for cleaning turf Nov. 13, 2012
8291537 Oral hygiene device and method of assembly Oct. 23, 2012
8281442 Wind turbine blade inspection and cleaning system Oct. 9, 2012
8276232 Device and method for cleaning wheel rims Oct. 2, 2012
8277922 Stem web Oct. 2, 2012
8272799 Portable back scrubbing device Sep. 25, 2012
8273186 Mat washing machine Sep. 25, 2012
8266757 Cleaning apparatus Sep. 18, 2012
8261400 Brush system for a labeling machine Sep. 11, 2012
8245344 Cleaning apparatus Aug. 21, 2012
8225447 Dovetail treating apparatus Jul. 24, 2012
8157826 Surgical cutting accessory with encapsulated RFID chip Apr. 17, 2012
8112838 Friction stir welding tool cleaning apparatus Feb. 14, 2012
8099814 Device for cleaning and scrubbing Jan. 24, 2012
8092610 Apparatus and method for cleaning a driver used in disk drive manufacturing Jan. 10, 2012
8089227 Electrically operated, continuously adjustable personal hygiene device Jan. 3, 2012
8051520 Toothbrush and process for producing the same Nov. 8, 2011
8020237 Apparatus for cleaning process surfaces Sep. 20, 2011
8011051 Toilet bowl cleaning assembly Sep. 6, 2011
8002899 Method and apparatus for mask pellicle adhesive residue cleaning Aug. 23, 2011
7992245 Cleaning tool and cleaning device having such a cleaning tool Aug. 9, 2011
7979941 Produce bin scrubber and related methods Jul. 19, 2011
7895694 Extendable rotary scrubber Mar. 1, 2011
7887559 Surgical cutting accessory with encapsulated RFID chip Feb. 15, 2011
7865994 Vibrating hair brush Jan. 11, 2011
7861347 Device for cleaning snow and debris from around elevated obstacles Jan. 4, 2011
7814601 Vibrating hair brush having isolator support system for controlled vibratory movement Oct. 19, 2010
7797781 Robot mechanism for cleaning and inspection of live-line insulators Sep. 21, 2010
7784135 Tool for brushing circumferential welds in restricted access areas Aug. 31, 2010

1 2 3 4 5 6










 
 
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