Patents by Inventor John E. Singletary

John E. Singletary has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Air conditioner drain pan treatment dispenser
    Patent number: 5975113
    Abstract: A dispenser for tableted chemical treatment material into an air conditioner condensate pan drain line comprises a container for the tablets and a removable cover sealed to the container by a gasket. The cover includes legs that extend into the container to prevent the tableted material from floating upward and blocking the inlet and outlet to the container. The container is secured in the drain line by conduits on either end.
    Type: Grant
    Filed: August 6, 1998
    Date of Patent: November 2, 1999
    Inventors: Michael L. Haining, John E. Singletary