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Class Information
Number: 198/675
Name: Conveyors: power-driven > Conveyor section > Screw > Including drive means > Having reversible or variable speed
Description: Apparatus wherein the means to rotate may be modified to change the direction or rate of rotation of the formation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6325203 |
Method and apparatus for rapidly processing machine tool chips |
Dec. 4, 2001 |
| 5662272 |
Powder coating product sprayer device |
Sep. 2, 1997 |
| 5588521 |
Method and apparatus for material handling |
Dec. 31, 1996 |
| 5386361 |
Method of unsticking material delivery apparatus |
Jan. 31, 1995 |
| 5277535 |
Roller clutch driven feeder system |
Jan. 11, 1994 |
| 5167320 |
Variable speed drive for screw conveyor |
Dec. 1, 1992 |
| 5099983 |
Portable auger system apparatus and method for depositing gypsum into an irrigation ditch |
Mar. 31, 1992 |
| 5050720 |
Interchangeable feedscrew system |
Sep. 24, 1991 |
| 5018668 |
Method and apparatus for initiating rotation of vertical auger devices |
May. 28, 1991 |
| 4930968 |
Method and apparatus for emptying packages, especially bags |
Jun. 5, 1990 |
| 4774848 |
Worm reduction gear |
Oct. 4, 1988 |
| 4699265 |
Conveyor system for use with an ingredient mixer |
Oct. 13, 1987 |
| 4600150 |
Spraying system utilizing a screw conveyor |
Jul. 15, 1986 |
| 4173430 |
Method of injecting a back filling injection material in a shield forming process |
Nov. 6, 1979 |
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