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Class Information
Number: 29/902
Name: Metal working > Filter making
Description: Cross-reference art collections of documents relating to a method of manufacturing a perforated or porous metal article which separates particles from materials flowing through the articles.

Patents under this class:

Patent Number Title Of Patent Date Issued
8246771 Filtering screen Aug. 21, 2012
7559146 Wire mesh filter with improved hoop strength Jul. 14, 2009
6921423 Separator tank assembly and method of manufacture Jul. 26, 2005
6863811 Filter cartridge incorporating a peripheral compatibility matrix Mar. 8, 2005
6863706 Module for use as a filter, catalytic converter, or heater, and method for the manufacture thereof Mar. 8, 2005
6840977 Coolant for air-bag gas generator and production method therefor Jan. 11, 2005
6817466 Apparatus for manufacturing filter cartridges, and method of using same Nov. 16, 2004
6785964 Method for making a mechanical screen cylinder Sep. 7, 2004
6485643 Modular base for a filter cartridge and method of manufacturing therefor Nov. 26, 2002
6458279 Fuel filter and production process Oct. 1, 2002
6403008 Method for overwelding filter cassettes and devices produced therefrom Jun. 11, 2002
6340089 Method of fabricating undulating screen for vibratory screening machine Jan. 22, 2002
6309552 Slack filter tube having an internal resilient support extending there through Oct. 30, 2001
6053332 Method of fabricating undulating screen for vibratory screening machine Apr. 25, 2000
6047834 Process for the manufacture of a sifting device with slit-shaped openings and an appropriately manufactured sifting device Apr. 11, 2000
6023834 Method for assembling an improved bead-lock high-pressure filter utilizing a stamped metal cover Feb. 15, 2000
5968357 Screen basket having a removable and replaceable cylindrical mesh liner Oct. 19, 1999
5938925 Progressive gap sand control screen and process for manufacturing the same Aug. 17, 1999
5876552 Method of fabricating screen for vibratory screening machine Mar. 2, 1999
5833853 Radial-flow filter and method of manufacture Nov. 10, 1998
5788860 Method for manufacturing a supporting plate for a filter Aug. 4, 1998
5711879 Radial-flow filter and method of manufacture Jan. 27, 1998
5673483 Method for constructing an inflator filter made of wrapped mesh Oct. 7, 1997
5589067 Expanded metal filter support structure Dec. 31, 1996
5504987 Device for manufacturing a screening body Apr. 9, 1996
5490930 Filter Feb. 13, 1996

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