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Class Information
Number: 4/319
Name: Baths, closets, sinks, and spittoons > Flush closet > With macerator
Description: Subject matter including means for breaking up a solid waste material into smaller particles.










Sub-classes under this class:

Class Number Class Name Patents
4/320 Including additional treatment 35


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8656524 Toilet assembly Feb. 25, 2014
8276218 Macerator toilet Oct. 2, 2012
8230531 Flush toilet control system and related method Jul. 31, 2012
8191181 Detection system for toilet unit for use in a supine position Jun. 5, 2012
8104108 Waterless toilet Jan. 31, 2012
8082606 Waste receiving device for incontinent persons Dec. 27, 2011
8011031 Quiet, low water volume toilet Sep. 6, 2011
7877822 Non-water lavatory flushing device with flushing pump Feb. 1, 2011
7712158 Non-clog shredder May. 11, 2010
7507577 Treatment apparatus for excrement and a bio-toilet using the same and a treatment method for decomposing excrement Mar. 24, 2009
7383593 Quiet, low water volume toilet Jun. 10, 2008
7073547 Latex paint clean-up liquid disposal device Jul. 11, 2006
7014778 Device and method for treating waste product Mar. 21, 2006
6910231 Toilet system with a toilet pan Jun. 28, 2005
6745407 Systems and methods for waste disposal for use in a vehicle Jun. 8, 2004
6534940 Marine macerator pump control module Mar. 18, 2003
6519787 Toilet water recycling system Feb. 18, 2003
6442771 Flushing device Sep. 3, 2002
6421843 Low water volume toilet Jul. 23, 2002
6412121 Thermo-evaporation type toilet system Jul. 2, 2002
6408448 Water saving toilet system controller Jun. 25, 2002
6357056 Water saving toilet system Mar. 19, 2002
6258594 Human waste treatment system Jul. 10, 2001
6178566 Transportable waste collection and treatment toilet system Jan. 30, 2001
6138291 Toilet waste agitating mechanism Oct. 31, 2000
6085364 Rechargeable battery system for a marine vessel toilet Jul. 11, 2000
5987658 Single motor, dual clutch marine vessel toilet Nov. 23, 1999
5342583 Patient's stool and urine disposing apparatus Aug. 30, 1994
5321857 Water closet with a tilting cover acting as a bowl Jun. 21, 1994
5271571 Water driven device for agitating and fragmenting debris in a sink drain Dec. 21, 1993
5245710 Flush toilet and method Sep. 21, 1993
5123124 Automatic, self-cleaning, water saving, toilet system Jun. 23, 1992
5036554 Water saving toilet construction Aug. 6, 1991
5022098 Automatic, self-cleaning, water saving, toilet system Jun. 11, 1991
4999857 Toilet sewage treatment unit Mar. 19, 1991
4926508 Portable toilet with battery operated flush assembly May. 22, 1990
4890339 Splash suppressor Jan. 2, 1990
4791688 Jet pump macerator pump sewage handling system Dec. 20, 1988
4739525 Self-contained toilet system Apr. 26, 1988
4734943 Waste disposal system Apr. 5, 1988
4672689 Water saving toilet system Jun. 16, 1987
4550452 Toilet system Nov. 5, 1985
4519103 Self-contained sewage waste disposal system May. 28, 1985
4516280 Water saving toilet system May. 14, 1985
4516281 Sewage treatment device May. 14, 1985
4499614 Organic waste bioconverter and method Feb. 19, 1985
4433443 Self-contained flow through sewage waste disposal system Feb. 28, 1984
4433444 Toilet with mechanical drainage comprising a draining chamber accessible and dismountable from inside the toilet bowl Feb. 28, 1984
4333185 Water saving toilet system Jun. 8, 1982
4324007 Sanitation system particularly for marine craft Apr. 13, 1982

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