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Class Information
Number: 209/400
Name: Classifying, separating, and assorting solids > Sifting > Elements > Dress > Cords and wires
Description: Sifting devices in which the sifting passages are formed by nonintermeshing cords, wires, or other flexible strands.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7316321 |
Sifting screen |
Jan. 8, 2008 |
| 7303078 |
Screen panel |
Dec. 4, 2007 |
| 7182207 |
System and process for break detection in porous elements for screening or filtering |
Feb. 27, 2007 |
| 6997325 |
System and process for break detection in porous elements for screening or filtering |
Feb. 14, 2006 |
| 6736271 |
Screen apparatus and method |
May. 18, 2004 |
| 6609559 |
Grid for intercepting solid elements circulated in a heat exchanger to clean it, and a control installation for such elements including such a grid |
Aug. 26, 2003 |
| 6206200 |
Mounting system for modular panels used in a screen deck |
Mar. 27, 2001 |
| 6082551 |
Vibration-type screening machine |
Jul. 4, 2000 |
| 5944197 |
Rectangular opening woven screen mesh for filtering solid particles |
Aug. 31, 1999 |
| 5819952 |
Sifting screen |
Oct. 13, 1998 |
| 5415294 |
Screen with a surface having projections or depressions |
May. 16, 1995 |
| 5413288 |
Compound partition diaphragm for use in a ball mill |
May. 9, 1995 |
| 5301813 |
Apparatus for separating material |
Apr. 12, 1994 |
| 5248042 |
Resilient wire-wrapped, and adjustably tensioned screen drum with drum overload-preventing feedback control |
Sep. 28, 1993 |
| 5221008 |
Vibratory screening machine and non-clogging wear-reducing screen assembly therefor |
Jun. 22, 1993 |
| 5190161 |
Cylindrical element for filtering and separation |
Mar. 2, 1993 |
| 5039412 |
Wire with guide belts for a pulp thickener |
Aug. 13, 1991 |
| 5011023 |
Conical element for filtering and separation |
Apr. 30, 1991 |
| 5006228 |
Mounting system for increasing the wear life of a vibrating screen panel |
Apr. 9, 1991 |
| 4909929 |
Interlocking clamping system |
Mar. 20, 1990 |
| 4904378 |
Flat element for filtering and separation |
Feb. 27, 1990 |
| 4857176 |
Reinforced molded polyurethane vibratory screen |
Aug. 15, 1989 |
| 4819809 |
Reinforced polyurethane vibratory screen |
Apr. 11, 1989 |
| 4696738 |
Material separating surface |
Sep. 29, 1987 |
| 4452656 |
Method and apparatus for making plastic screen panels |
Jun. 5, 1984 |
| 4392951 |
Screen filter |
Jul. 12, 1983 |
| 4381235 |
Screening apparatus |
Apr. 26, 1983 |
| 4374169 |
Abrasion resistant, reinforced screen panel member |
Feb. 15, 1983 |
| 4363725 |
Apparatus for removing gravel from excavated soil |
Dec. 14, 1982 |
| 4269704 |
Screen for particle separation |
May. 26, 1981 |
| 4265756 |
Change device for sieves for filtering plastic materials |
May. 5, 1981 |
| 4247007 |
Strands and netting and screens made thereof |
Jan. 27, 1981 |
| 4236999 |
Separation of solids from liquids by screening |
Dec. 2, 1980 |
| 4162968 |
Screen apparatus for sorting fragmented material |
Jul. 31, 1979 |
| 4140630 |
Sorting apparatus for fragmented materials |
Feb. 20, 1979 |
| 4133751 |
Wire screen with tensioning assembly |
Jan. 9, 1979 |
| 4120785 |
Rubber screens for vibratory screening apparatus |
Oct. 17, 1978 |
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