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| Number | Title | Issue Date |
| 7360725 | Material crusher Crusher has a housing with a cylindrical crushing chamber defined by a tubular wall. Opposed side plates are secured to respective ends of the wall. A drive shaft rotates impact tools within the chamber. An intake aperture and a discharge aperture are in communicati... | 04/22/2008 |
| 7152894 | Debris packer apparatus A packer apparatus for pushing or packing leaves or other debris into a garbage container includes: (a) a substantially planar head portion; and (b) a cylindrically-shaped mount portion connected at one end to an underside of the head portion, and having an open opp... | 12/26/2006 |
| 5505393 | Crushing device especially for scrap metal A crushing device for crushing material such as scrap metal and refuse has a housing with a material feeding section and a material removal section for removing crushed material. A shaft with a rotor connected thereto is rotatably supported in the housing... | 04/09/1996 |
| 4830291 | Waste material reversible hammer mill A reversible downdraft rotary hammer mill for processing waste material in which breaker plates and a grate assembly are cooperatively arranged so the terminal ends of the grate assembly are laid back to form with the adjacent terminal ends of the breaker... | 05/16/1989 |
| 4003837 | Self-cleaning strainer The invention is directed towards a straining means in a cooling system which has a cooling medium inlet, a cooling medium outlet, a screen located between the inlet and outlet and means operable on the inlet side of the screen for keeping the screen clea... | 01/18/1977 |