With Air Blast Or Suction Patents (Class 15/300.1)
- With liquid or other cleaning material application to work (Class 15/302)
- With work handling or supporting (Class 15/303)
- With fixed guide for ambulant air draft applying means (Class 15/312.1)
- Installed in automobile or other vehicle for the cleaning thereof (Class 15/313)
- With flexible conduit connection between ambulant air draft applying means and relatively stationary air pump or supply (Class 15/314)
- Air blast only (e.g., boiler soot-blower) (Class 15/316.1)
- With conveying means additional to air stream (Class 15/348)
- With receiver for dirt from rotary or moving agitator (Class 15/349)
- Separator mounted on or attached to manipulating handle, e.g., push broom type (Class 15/350)
- Separator element cleaning in situ and/or storage or removal of retained dirt (Class 15/352)
- With liquid and/or deflection type separator (Class 15/353)
- Diverse agitating operations, e.g., brushing with beating or movable with stationary (Class 15/364)
- Adjustable with respect to nozzle (Class 15/368)
- Oblique or V-shaped arrangement of agitator (Class 15/374)
- With auxiliary ambient air inlet to nozzle, e.g., through air tunnel and/or agitator (Class 15/375)
- Auxiliary or separate, i.e., non-fan, driving motor (Class 15/377)
- With guard to inhibit work entry into nozzle mouth (Class 15/378)
- Vibrating nozzle or nozzle lips (Class 15/379)
- Rectilinearly moving parallel to work surface, e.g., scrubbing (Class 15/380)
- Oscillating agitator, e.g., sweeping (Class 15/381)
- Striking beater, i.e., perpendicular movement (Class 15/382)
- Rotary agitator (Class 15/383)
- Stationary agitator (Class 15/393)
- With plural mouths selectively usable, e.g., "duplex" nozzles (Class 15/416)
- With area adjusting, e.g., restrictors (Class 15/418)
- With air flow control means, e.g., work-operated valve (Class 15/419)
- With notched or grooved lips for localized intensification of air draft (Class 15/420)
- With auxiliary inlet for ambient air, e.g., vacuum relief (Class 15/421)
- With guard to inhibit work entry into nozzle mouth (Class 15/422)
- Width changes along transverse dimension (Class 15/422.1)