Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 4/423
Name: Baths, closets, sinks, and spittoons > Flush closet > Bowl > Siphon discharge > With flush valve > With vacuum breaker
Description: Subject matter wherein the valve includes means to break a vacuum to prevent back siphonage or reverse flow.










Patents under this class:

Patent Number Title Of Patent Date Issued
7721359 Vacuum breaker, and water-feed valve assembly and water closet provided therewith May. 25, 2010
5875499 Recreational vehicle toilet with flush nozzle deflector shield Mar. 2, 1999
4672690 Vacuum tank construction for self-contained sewage handling apparatus Jun. 16, 1987











 
 
  Recently Added Patents
Toy track intersection component
Treatment of influenza
Double diffused metal oxide semiconductor device and manufacturing method thereof
Enhanced telephony services
Down-drawable, chemically strengthened glass for cover plate
Printing system, information processing apparatus, print job processing method, information processing method, program, and storage medium
Active metal fuel cells
  Randomly Featured Patents
Process for producing modified particle, carrier or catalyst component for addition polymerization, pre-polymerized catalyst component therefor, catalyst therefor, and addition polymer
Removable self adhering tabs for napkins
Method of improving the performance of a bus which is asynchronous-traffic intensive
Optical fiber gyro with memory storing data measured under application of angular velocity
Toilet guard
Solid composition having enhanced physical and electrical properties
Method and apparatus for controlling a power converter
Modular roller-top conveyor belt
Holographic member for a real-time clock in a raster output scanner
Collapsible display carrier and method of making