Patents by Inventor Krishna Arkalgud

Krishna Arkalgud 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).

  • OMNI CONFIGURED FLAPPER SYSTEMS FOR VARIOUS FLUSH VALVE SIZES AND METHODS OF RETROFIT
    Publication number: 20230160191
    Abstract: The disclosure is directed to a flapper system and a flapper system kit that is compatible with both 2? and 3? flush valve seats. In some embodiments, the flapper system is configured to enable a user to select either a 2? or 3? flush valve seal for the flapper system. In some embodiments, the flapper system includes a pivot that enables sealing of a flat flush valve seat or an angled flush valve seat. In some embodiments, the flapper system includes one or more adjustable window assemblies that control a fluid flowrate within an internal portion of the flapper system to control buoyancy. In some embodiments, the flapper system includes an adaptor that converts a 2? valve into a 3? valve.
    Type: Application
    Filed: November 16, 2022
    Publication date: May 25, 2023
    Inventors: Tuan Le, Joseph Han, Leland Wong, Daniel McAuley, Jack Nguyen, Daniel McFarland, Krishna Arkalgud, Ben Ton
  • Washer
    Patent number: D1014235
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: February 13, 2024
    Assignee: FLUIDMASTER, INC.
    Inventors: James Toshima, Po Han Chiang, Tuan Le, Krishna Arkalgud