With Mechanical Agitating Means Patents (Class 15/363)
- Work piece surrounding or opposed agitators, e.g., bar or slat cleaners (Class 15/394)
- For opposed surfaces or hollow work internal cleaning (Class 15/395)
- Hollow head with perforate reticulate supporting surface for agitator (Class 15/396)
- Bristle brush type (Class 15/398)
- Scraper or squeegee type (Class 15/401)
- Dry mop type, e.g., textile strand or sheet pelt (Class 15/403)