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Class Information
Number: 4/321
Name: Baths, closets, sinks, and spittoons > Flush closet > With holding tank
Description: Subject matter including a storage receptacle for waste material after discharge from the flush closet, and for subsequent positive waste material removal by external means.










Sub-classes under this class:

Class Number Class Name Patents
4/322 And heater 16
4/323 And valve for emptying 111


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8656524 Toilet assembly Feb. 25, 2014
8640735 Waste water lifting installation Feb. 4, 2014
8631947 Cyclone separator Jan. 21, 2014
8596469 Cyclone separator Dec. 3, 2013
8561220 Keeping sewer drainlines clear with low flush toilets or cisterns Oct. 22, 2013
8516622 Sanitary system for a vehicle including a removable holding tank Aug. 27, 2013
8499368 Space-saving toilet system Aug. 6, 2013
8465652 Method for disinfecting sewage sludge Jun. 18, 2013
8449239 Bracket assembly for vehicle waste tank May. 28, 2013
8398962 Liquid sealant and methods of use Mar. 19, 2013
8347428 Portable bathroom and kitchen fixture display Jan. 8, 2013
8239972 System and method for improving jet aircraft operating efficiency Aug. 14, 2012
8230531 Flush toilet control system and related method Jul. 31, 2012
8231865 Liquid sealant and methods of use Jul. 31, 2012
8196230 Automatic treating device for urination and defecation Jun. 12, 2012
8142572 Lavatory pan washing apparatus and washing method Mar. 27, 2012
8104108 Waterless toilet Jan. 31, 2012
7980513 Water-wastewater module for aircraft Jul. 19, 2011
7877822 Non-water lavatory flushing device with flushing pump Feb. 1, 2011
7802323 Portable toilet Sep. 28, 2010
7725961 Portable toilet Jun. 1, 2010
7293298 Self-contained sanitary system for a vehicle Nov. 13, 2007
7293299 Tank flush system Nov. 13, 2007
7207073 Vacuum assisted toilet Apr. 24, 2007
7203976 Floor level waste pumping system for toilets Apr. 17, 2007
7192060 Fluid storage and transport system Mar. 20, 2007
7137156 Portable Lavatory Nov. 21, 2006
7032255 Waste holding tank for a mobile toilet system and mobile toilet system Apr. 25, 2006
7014778 Device and method for treating waste product Mar. 21, 2006
6977005 Waterless vacuum toilet system for aircraft Dec. 20, 2005
6957450 Standardized recreational vehicle sanitary system Oct. 25, 2005
6848126 Washing bowl mobile chair Feb. 1, 2005
6735790 Vent stack screen for portable toilet holding tanks May. 18, 2004
6723173 Truck body for combined transport and maintenance of portable toilets Apr. 20, 2004
6721967 Modular portable comfort station Apr. 20, 2004
6681412 PTFE membrane filter for exhaust air of vacuum toilet system Jan. 27, 2004
6618866 Vacuum tank construction Sep. 16, 2003
6615414 Portable sanitation device Sep. 9, 2003
6598242 Low profile transportable sewage holding tank Jul. 29, 2003
6519787 Toilet water recycling system Feb. 18, 2003
6516836 Motorized waste hose for recreational vehicle Feb. 11, 2003
6513174 Vacuum unit and a vacuum toilet system comprising such a unit Feb. 4, 2003
6507958 Multi-function base unit for portable stand-alone restroom facility Jan. 21, 2003
6487731 Self-cleaning, waste storing, odorless, environmentally friendly toilet for humans and animals Dec. 3, 2002
6453481 Vacuum waste system having a vacuum control valve Sep. 24, 2002
6430757 Self-contained toilet basin Aug. 13, 2002
6397407 Vacuum toilet system with single pump Jun. 4, 2002
6393635 Galley waste disposal system and method May. 28, 2002
6374431 Vacuum toilet system with single pump Apr. 23, 2002
6370706 Portable sanitation unit Apr. 16, 2002

1 2 3 4










 
 
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