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Class Information
Number: 209/367
Name: Classifying, separating, and assorting solids > Sifting > Elements > Actuating > Reciprocating > Unbalanced weight
Description: Devices under subclasses 365.1+ wherein unbalanced weights operate sifters otherwise than as gyrators.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7025210 |
Method and apparatus for attenuating sound from vibratory screening machines |
Apr. 11, 2006 |
| 6918492 |
Baffle assembly for a sealed shaft on a vibratory apparatus |
Jul. 19, 2005 |
| 6679385 |
Motor control system for vibrating screen separator |
Jan. 20, 2004 |
| 6513664 |
Vibrating screen separator |
Feb. 4, 2003 |
| 6386375 |
Lubrication system for vibrating flat screens |
May. 14, 2002 |
| 6349834 |
Vibratory screen separator |
Feb. 26, 2002 |
| 6096210 |
Screening system |
Aug. 1, 2000 |
| 6082551 |
Vibration-type screening machine |
Jul. 4, 2000 |
| 6029822 |
Drive system for a vibratory screening plant |
Feb. 29, 2000 |
| 6003679 |
Sieving device with duel independent frequency input |
Dec. 21, 1999 |
| 5984107 |
Vibratory drive for a screening machine |
Nov. 16, 1999 |
| 5927513 |
Apparatus for recovering reusable wood shavings from animal stalls |
Jul. 27, 1999 |
| 5896998 |
Vibratory screening apparatus |
Apr. 27, 1999 |
| 5850110 |
Unbalanced mass vibration generator |
Dec. 15, 1998 |
| 5614094 |
Vibrating screen unit |
Mar. 25, 1997 |
| 5328036 |
Vibratory screening apparatus |
Jul. 12, 1994 |
| 5231886 |
Non-metallic gear shaker |
Aug. 3, 1993 |
| 5108588 |
Structure of vibro separator |
Apr. 28, 1992 |
| 5084176 |
Vibrating filter |
Jan. 28, 1992 |
| 5067358 |
Vibrating table installation for the manufacture of concrete products |
Nov. 26, 1991 |
| 5051170 |
Two frame elastic screening appartaus having substantially linear relative movement |
Sep. 24, 1991 |
| 4978488 |
Concrete block molding machine having continuously driven vibrating shaft mechanism which can be programmably vibrated and method of programmably vibrating such machines |
Dec. 18, 1990 |
| 4911834 |
Drilling mud separation system |
Mar. 27, 1990 |
| 4830597 |
Vibrator for a block molding machine |
May. 16, 1989 |
| 4742721 |
Vibrating device |
May. 10, 1988 |
| 4650192 |
Scooping game toy |
Mar. 17, 1987 |
| 4519902 |
Vibrating screening apparatus |
May. 28, 1985 |
| 4510815 |
Flyweight vibrator designed as directional vibrator |
Apr. 16, 1985 |
| 4469592 |
Power sieve with screen beaters |
Sep. 4, 1984 |
| 4341126 |
Variable amplitude vibratory apparatus |
Jul. 27, 1982 |
| 4340469 |
Vibratory screen apparatus |
Jul. 20, 1982 |
| 4262549 |
Variable mechanical vibrator |
Apr. 21, 1981 |
| 4255254 |
Delayed counterweight vibrator apparatus |
Mar. 10, 1981 |
| 4196637 |
Vibratory device with controlled actuation |
Apr. 8, 1980 |
| 4170549 |
Vibrating screen apparatus |
Oct. 9, 1979 |
| 4152128 |
Rotary separator |
May. 1, 1979 |
| 4058019 |
Unbalance vibration generator |
Nov. 15, 1977 |
| 4057492 |
Adjustment of motion of screening machine |
Nov. 8, 1977 |
| 4021337 |
Sieve with drive |
May. 3, 1977 |
| 3948109 |
Vibratory screening apparatus |
Apr. 6, 1976 |
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