Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 4/328
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank and bowl with plural connections, one being pneumatic
Description: Subject matter wherein there is more than one pipe between the tank and bowl, one being for gas or air.

Patents under this class:

Patent Number Title Of Patent Date Issued
8196231 Pressurized trap water saver toilet Jun. 12, 2012
8141179 Water saver toilet with uniform water spot Mar. 27, 2012
8127376 Water closet comprising variable soil exhaust system Mar. 6, 2012
7594282 Western-style toilet facility Sep. 29, 2009
7159251 Water saver flush system Jan. 9, 2007
6651266 Flushing method of toilet, toilet used for carrying out said method and components thereof Nov. 25, 2003
6131211 Low profile vacuum toilet Oct. 17, 2000
5926860 Low profile vacuum toilet Jul. 27, 1999
5694652 Flushing system Dec. 9, 1997
5579542 Toilet with water saving, vacuum-assisted flushing apparatus and associated methods Dec. 3, 1996
5487193 Enhanced operation toilet Jan. 30, 1996
5426794 Vacuum assisted toilet with controlled vacuum Jun. 27, 1995
5404597 Vacuum assist toilet trap Apr. 11, 1995
5386596 Water saver toilet Feb. 7, 1995
5142712 Vacuum assisted toilet Sep. 1, 1992

  Recently Added Patents
Hybrid interconnect scheme including aluminum metal line in low-k dielectric
Equipment to facilitate money transfers into bank accounts
Optical signal output apparatus, electrical signal output apparatus, and test apparatus
Group greeting card
Machine shop including computer system that interfaces with different legacy servers
Automated incorporation of expert feedback into a monitoring system
Case for camera
  Randomly Featured Patents
Blade assembly with angular movement capability
Fuel delivery safety limit mechanism
Dough cut-off and positioning method and apparatus
Optical pickup apparatus
Electrical connection between first and second metal parts that are electrically insulated from each other
Firing device of side-handle baton
Absolute encoder using multiphase analog signals
Thermostable alcohol dehydrogenase derived from Thermococcus guaymasensis
Like kind exchange system and method
NROM fabrication method