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Class Information
Number: 4/289
Name: Baths, closets, sinks, and spittoons > Strainer, stopper, plug or closure > Strainers in series
Description: The water passes through a plurality of strainers arranged in series.

Patents under this class:

Patent Number Title Of Patent Date Issued
8505125 Hair catching stall shower drain Aug. 13, 2013
8347424 Leveling mechanism for floor drain Jan. 8, 2013
7951292 Sink filter device May. 31, 2011
7900289 Magnetic sink strainer Mar. 8, 2011
7861329 Disposable drain filter Jan. 4, 2011
7725960 Disposable drain filter Jun. 1, 2010
7704386 Filter assembly Apr. 27, 2010
7490375 Food preparation sink trash interceptor system Feb. 17, 2009
7376983 Debris catch system for food preparation drains and other applications May. 27, 2008
7011746 Rainwater surface drain Mar. 14, 2006
6609257 Debridement and irrigation extremity basin Aug. 26, 2003
6491814 Sani drain Dec. 10, 2002
6263518 Drain strainer Jul. 24, 2001
6178565 Trash collector for exfiltration drain system Jan. 30, 2001
6163896 Auxiliary stall shower strainer Dec. 26, 2000
6088843 Drain strainer with sieve receptacle and bristle extension Jul. 18, 2000
5005603 Retrofittable sewer trap Apr. 9, 1991
4845914 Double weep hole drain and method Jul. 11, 1989
4739524 Double weep hole drain and method Apr. 26, 1988
4261824 Floor drain Apr. 14, 1981
4199827 Drain traps with strainer means Apr. 29, 1980

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