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Class Information
Number: 4/420
Name: Baths, closets, sinks, and spittoons > Flush closet > Bowl
Description: Subject matter wherein the receptacle is open at the top.










Sub-classes under this class:

Class Number Class Name Patents
4/431 Pump or suction-type discharge 134
4/421 Siphon discharge 48
4/434 Valved dischage 83
4/420.3 With bidet basin 28
4/420.4 With bidet nozzle 222
4/420.1 With body-contacting nozzle 38
4/420.2 With heated bidet fluid 101


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8695126 Flush toilet with sloped surfaces for improved waste removal Apr. 15, 2014
8667620 Toilet with reduced water usage Mar. 11, 2014
8640272 Flush toilet bowl Feb. 4, 2014
8528123 Exterior rim wash bowl Sep. 10, 2013
8516623 Tilting-bowl toilet Aug. 27, 2013
8484770 Toilet for the disabled Jul. 16, 2013
8465652 Method for disinfecting sewage sludge Jun. 18, 2013
8336130 Toilet device with lifting capability Dec. 25, 2012
8321967 Wall installed toilet Dec. 4, 2012
8209792 Dual-ceramic shut-off valve, external to tank Jul. 3, 2012
8201282 High efficiency urinal system Jun. 19, 2012
8196233 Height adjustable toilet stand device Jun. 12, 2012
8191182 Housing for protecting and masking a toilet bowl and a toilet bowl provided therewith Jun. 5, 2012
8176577 Flush toilet with improved flow pattern May. 15, 2012
8151379 Toilet with reduced water usage Apr. 10, 2012
8007619 Ceramic sanitary fixture Aug. 30, 2011
7954181 Bidet having enema function Jun. 7, 2011
7861331 Reduced water consumption flush toilet Jan. 4, 2011
7832030 Toilet bowl self-cleaner Nov. 16, 2010
7827628 Flush toilet Nov. 9, 2010
7802323 Portable toilet Sep. 28, 2010
7761934 Drain socket and flush toilet Jul. 27, 2010
7661153 Flush toilet Feb. 16, 2010
7458110 Hygienic commode for ladies with reverse sitting Dec. 2, 2008
7454801 Commodes with user's upper-body support Nov. 25, 2008
7426756 Adjustable toilet bowl Sep. 23, 2008
7376985 Moving siphon pipe driving device in a flushing pot May. 27, 2008
7360259 Toilet system Apr. 22, 2008
7194772 Reverse sitting commode Mar. 27, 2007
7111333 Toilet structure Sep. 26, 2006
7043774 Flush-toilet bowl integrated with a urinal May. 16, 2006
7020908 Toilets with quick flush trapways Apr. 4, 2006
6948195 Toilet and toilet insert Sep. 27, 2005
6944891 Toilets with trapways having an air dam Sep. 20, 2005
6910230 Submergible public sanitary device Jun. 28, 2005
6892402 Men's toilet May. 17, 2005
6789552 Method of cleaning a toilet Sep. 14, 2004
6699606 Sanitary ware and process for producing the same Mar. 2, 2004
6687922 Stainless steel toilet resistant to corrosion by sea water Feb. 10, 2004
6668391 Water-saving toilet Dec. 30, 2003
6625822 Toilet with a modular vacuum flush system Sep. 30, 2003
6548162 Sanitary ware and process for producing the same Apr. 15, 2003
6519786 Toilet splash shield system Feb. 18, 2003
6496989 Toilet device that can be transformed into a urinal Dec. 24, 2002
6457188 Water and sewage evacuation assembly Oct. 1, 2002
6415457 Flushing device for toilet system Jul. 9, 2002
6408459 Toilet bowl equipped with far infrared lamps Jun. 25, 2002
6397405 Flush toilet for RV's and boats Jun. 4, 2002
6385784 Toilet bowl splatter shield May. 14, 2002
6374430 Toilet Apr. 23, 2002

1 2 3 4










 
 
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