Resources Contact Us Home
Flapper flush valve

Image Number 3 for United States Patent #3935598.

A toilet tank flapper valve providing user selection of either a full or partial dispensing of the liquid contents of the tank. A novel ball-check valve particularly located in the flapper valve either obstructs water from entering or permits it to enter the buoyancy chamber of the flapper valve. When water is permitted to enter, a partial dispensing action results.

  Recently Added Patents
Cake knife handle
Advanced joint detection in a TD-SCDMA system
Information recording medium and information processing method for accessing content with license or copyright protection
Structure of pixel electrode
System for controlled release of an active principle and method for preparation
Methods of implanting dopant ions
Wide bandwidth hybrid antenna for combination EAS and RFID label or tag
  Randomly Featured Patents
Stability polymeric lubricants and thin film recording media comprising same
Low odor, light color hot pick-up adhesive
ATM switch for ensuring cell sequence
Flash recovery timer and warning device
Vacuum bag
Method and apparatus for providing entitlement information for interactive support
Protective panel having touch panel function
Tool changer assembly
Adhesion by plasma conditioning of semiconductor chip surfaces
Decoder having a gain controller in a mobile communication system