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
Automated incorporation of expert feedback into a monitoring system
Crystalline form of (R)-7-chloro-N-(quinuclidin-3-yl)benzo[b]thiophene-2-carboxamide hydrochloride monohydrate
Anomalous data detection method
Method of purifying crude acetone stream
Techniques for distributed storage aggregation
Model matching for trace link generation
Wireless subscriber managing storage of HARQ packets
  Randomly Featured Patents
Image forming apparatus with means of selecting a paper cassette that has just been loaded
Tristable multivibrator
Combined video tape recorder and camera
Methods and apparatus for coating stents
Rotation station for remotely installing mechanical tube plugs
Crosstalk filtering arrangement with variable frequency filtering to remove effects of FM carrier
Hardware module for adding functionality to television using mechanical and wireless links
Motor spindle control system and method
Automatic disk cassette changer
Synthesis of quaternary salt compounds