Machines Patents (Class 15/3)
- Fixed position cleaners or installed cleaning systems (Class 15/301)
- With automatic control (Class 15/319)
- With liquid or other cleaning material application to work (Class 15/320)
- With storage facilities for tools or nozzles, conduits, etc., e.g., racks and cabinets (Class 15/323)
- Illuminator for work area (Class 15/324)
- With fender or bumper, i.e., furniture guard (Class 15/325)
- With sound muffling feature (Class 15/326)
- Tank type cleaner organization (Class 15/327.1)
- Convertible (Class 15/328)
- Combined, e.g., with signal or indicator (Class 15/339)
- Power propelled vehicle or carrier (Class 15/340.1)
- Traction or manual operation of air pump or fan (Class 15/341)
- Hand supported and manipulated, e.g., miniature or upholstery type (Class 15/344)
- Air blast with suction (Class 15/345)
- With dust or dirt handling or storing or separating, e.g., filter bags (Class 15/347)
- With work-contacting carriage or mount, and relatively adjustable nozzle (Class 15/354)
- With nozzle carriage or mount having work-surface penetration control, e.g., differential area supporting wheels (Class 15/362)
- With mechanical agitating means (Class 15/363)
- With pulsating air flow (Class 15/404)
- Air blast only (Class 15/405)
- Jet pump suction-devices (Class 15/409)
- Handle features, e.g., limit stops or storage locks (Class 15/410)
- Motor features, e.g., housing or casing assemblies (Class 15/412)
- Detachable and/or extension nozzles (Class 15/414)
- Nozzle (Class 15/415.1)
- Plural fans (Class 15/422.2)
- Ball cleaner (Class 15/21.2)
- Handle mount (Class 15/22.1)
- Boot cleaning, blacking, and polishing (Class 15/30)
- Boot cleaners and polishers (Class 15/36)
- Brush cleaners (Class 15/38)
- Comb cleaners (Class 15/39)
- Table top or tablecloth cleaner (Class 15/39.5)
- Flexible-fabric cleaners (Class 15/40)
- Floor and wall cleaner (Class 15/49.1)
- Vehicle cleaner (Class 15/53.1)
- Rail sweepers (Class 15/54)
- Receptacle cleaners (Class 15/56)
- Sheet, bar, and plate cleaners (Class 15/77)
- Street sweepers (Class 15/78)
- Wire, rod, and tube cleaners (Class 15/88)
- Work moves past nonrotatable brush (Class 15/88.1)
- Work moves past rotatable brush (Class 15/88.2)
- Cylindrical brush moves past work (Class 15/88.4)
- Shoe polisher (Class 15/97.2)
- Vehicle cleaner (Class 15/97.3)
- Floor and wall cleaner (Class 15/98)
- Photographic-film cleaners (Class 15/100)
- Receptacle cleaners (Class 15/101)
- Sheet, bar, and plate cleaners (Class 15/102)
- Window cleaners (Class 15/103)
- Rolling contact type with material supply (Class 15/103.5)