Patents by Inventor Hanna FERUS

Hanna FERUS 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).

  • Check valve
    Patent number: 10533671
    Abstract: A flapper element for a check valve comprises at least one mounting lug configured to receive a shaft for rotation relative thereto and having a row of teeth for engaging complementary teeth on a mounting lug of a similar flapper element. The complementary teeth tie the rotation of the two flapper elements.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: January 14, 2020
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Hanna Ferus, Łukasz Wiktorko
  • CHECK VALVE
    Publication number: 20180128388
    Abstract: A flapper element for a check valve comprises at least one mounting lug configured to receive a shaft for rotation relative thereto and having a row of teeth for engaging complementary teeth on a mounting lug of a similar flapper element. The complementary teeth tie the rotation of the two flapper elements.
    Type: Application
    Filed: November 8, 2017
    Publication date: May 10, 2018
    Inventors: Hanna FERUS, Lukasz WIKTORKO