Patents by Inventor Craig TSAI

Craig TSAI 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).

  • Publication number: 20130199460
    Abstract: A water heater comprises a tank, a cylinder coil section and a return-flow coil section. The cylinder coil section is in a heat transfer relationship with the tank and encircles a first portion of the tank. The return-flow coil section is in a heat transfer relationship with the tank and encircles a second portion of the tank. The cylinder coil section and the return-flow coil section are continuous over at least the first and second portions of the tank.
    Type: Application
    Filed: August 10, 2012
    Publication date: August 8, 2013
    Inventors: Samuel Vincent DUPLESSIS, Mark MOTYKA, Jonathan D. NELSON, Gregory M. THOMAS, Craig TSAI