Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 4/426
Name: Baths, closets, sinks, and spittoons > Flush closet > Bowl > Siphon discharge > With check valve
Description: Subject matter including a check valve in the siphon passage between a trap and a waste pipe.

Patents under this class:

Patent Number Title Of Patent Date Issued
8621677 Odour seal for a vacuum toilet drain system Jan. 7, 2014
6401266 Waste outlet device Jun. 11, 2002
4190910 Plumbing apparatus including means for producing a water-plug effect in sanitation appliances Mar. 4, 1980
4180875 Urine disposal bypass unit Jan. 1, 1980
4178644 Water saving device for toilet Dec. 18, 1979
4115883 Diaphragm activated toilet Sep. 26, 1978
4107798 Self-contained toilet Aug. 22, 1978

  Recently Added Patents
Woven mesh substrate with semiconductor elements, and method and device for manufacturing the same
Double diffused metal oxide semiconductor device and manufacturing method thereof
Change management automation tool
Discharge lamp lighting circuit
Permeable pressure sensitive adhesive
Storage apparatus and storage apparatus management method performing data I/O processing using a plurality of microprocessors
Summarization of short comments
  Randomly Featured Patents
Electronics assembly
Ball cleaning and polishing machine
Quaternized epichlorohydrin adducts of perfluoro substituted ethanols
Suspension system for a vehicle
Intramedulary bone-setting assembly
Process for the production of cinnamic acid esters
Inflatable float step-reinforcement system
Variably mounted recessed medicine cabinet
Closed loop control system for a high frequency oscillation ventilator
Mattress construction and method