Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 4/369
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet siphon > Including means to relieve trapped air
Description: Subject matter having means to reduce trapped air pressure, in the siphon, to initiate liquid flow through the siphon.

Sub-classes under this class:

Class Number Class Name Patents
4/371 By raising trapped air housing 2
4/370 By releasing trapped air 13

Patents under this class:

Patent Number Title Of Patent Date Issued
6401270 Toilet apparatus Jun. 11, 2002
5706529 Water closet Jan. 13, 1998
5274855 Siphon flushing mechanism and method Jan. 4, 1994
4965892 Syphonic flush toilet Oct. 30, 1990
4254934 Hydraulic syphon with pneumatic reflux Mar. 10, 1981
4152794 Automatic pressure flush-toilet of delaying drainage May. 8, 1979

  Recently Added Patents
Erasing a non-volatile memory (NVM) system having error correction code (ECC)
Multiple secure elements in mobile electronic device with near field communication capability
Power management implementation in an optical link
Reserving a time block in a calendar application to account for a travel time between geographic locations of appointments
Flame-retardant polyamide composition
Electrophoretic element and display device
Process for producing polyols
  Randomly Featured Patents
Method of selectively depositing metal on a surface
Insulation ceiling assembly
School bus display unit
Method of testing bit error rates for a wavelength division multiplexed optical communication system
Heat-vulcanizable organopolysiloxane compositions and protective sheathing of electrical conductors therewith
Magnetic memory cell with symmetric switching characteristics
Diethylaminoethyl dextran for decreasing hyperglycemia
Multifunction automated crawling system
Method and device for using a data object representing a user in a distributed communication network
Torque responsive fluid coupling device