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Class Information
Number: 241/260
Name: Solid material comminution or disintegration > Apparatus > Cooperating comminuting surfaces (e.g., jaw crusher) > Rotary surface (or surfaces) > Axial or radial flow of material (e.g., disc mill, or cone and shell mill) > Cooperating non-smooth surface characteristics
Description: Devices in which one or both of the cooperating surfaces are not smooth but are provided with cooperating grooves, channels, protuberances or the like.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7152823 |
Disc mill assembly for pulverizing system |
Dec. 26, 2006 |
| 6630277 |
Toner production system |
Oct. 7, 2003 |
| 6082644 |
Shredder |
Jul. 4, 2000 |
| 6060101 |
Dietary food supplement |
May. 9, 2000 |
| 6060102 |
Method of preparing food supplement |
May. 9, 2000 |
| 6007860 |
Preparing food supplement |
Dec. 28, 1999 |
| 6001401 |
Food supplement composition |
Dec. 14, 1999 |
| 5845855 |
Mechanical grinding apparatus |
Dec. 8, 1998 |
| 5834048 |
Dietary food supplement |
Nov. 10, 1998 |
| 5813618 |
Continuous cyclindrical wood pulp refiner |
Sep. 29, 1998 |
| 5564635 |
Apparatus for dry disintegration of used paper |
Oct. 15, 1996 |
| 5390861 |
Method and apparatus for reducing rubber tire material to a pulverulent form |
Feb. 21, 1995 |
| 5360175 |
Refiner having oscillation reduction means |
Nov. 1, 1994 |
| 5269476 |
Comminuting apparatus |
Dec. 14, 1993 |
| 5199657 |
Roller mill |
Apr. 6, 1993 |
| 5170951 |
Grinding apparatus |
Dec. 15, 1992 |
| 4874136 |
Pulp refining apparatus |
Oct. 17, 1989 |
| 4767070 |
Grinder for use in grinding apparatus |
Aug. 30, 1988 |
| 4723718 |
Chip crushing surfaces |
Feb. 9, 1988 |
| 4688727 |
Fine grinding apparatus for laboratory experiments |
Aug. 25, 1987 |
| 4643085 |
Rotary machine for extraction of juice and puree from tomatoes, fruit and other produce |
Feb. 17, 1987 |
| 4610397 |
Comminuting equipment |
Sep. 9, 1986 |
| 4562972 |
Micropulverizer |
Jan. 7, 1986 |
| 4238079 |
Cutting device of a comminuting apparatus |
Dec. 9, 1980 |
| 4171103 |
Apparatus for comminuting waste materials |
Oct. 16, 1979 |
| 4042183 |
Rotor for mixer-refiner-reactor |
Aug. 16, 1977 |
| 4020994 |
Method of correlating the rotor and stator in a mixer-refiner-reactor |
May. 3, 1977 |
| RE29053 |
Mixer-refiner |
Nov. 30, 1976 |
| 3982704 |
Grinding disk for disk mills |
Sep. 28, 1976 |
| 3930878 |
Method and apparatus for reducing starch-containing material to flour |
Jan. 6, 1976 |
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