Patents by Inventor Vishnu Subramanian

Vishnu Subramanian 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).

  • Bi-directional inline check valve
    Patent number: 10830365
    Abstract: A check valve includes a housing, a first valve, and a second valve. The housing has a first portion that defines a first chamber and a second portion that defines a second chamber. The first valve is disposed within and is movable relative to the housing. The second valve is at least partially extends into the first valve. Responsive to a fluid flow in a first direction, the second valve and the first valve moves towards a proximal end of the housing and the fluid flow flows around the first valve towards a component.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: November 10, 2020
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Navaneethakrishnan Pandian, Vishnu Subramanian, Rajasekaran Janakiraman
  • BI-DIRECTIONAL INLINE CHECK VALVE
    Publication number: 20190128436
    Abstract: A check valve includes a housing, a first valve, and a second valve. The housing has a first portion that defines a first chamber and a second portion that defines a second chamber. The first valve is disposed within and is movable relative to the housing. The second valve is at least partially extends into the first valve. Responsive to a fluid flow in a first direction, the second valve and the first valve moves towards a proximal end of the housing and the fluid flow flows around the first valve towards a component.
    Type: Application
    Filed: October 12, 2018
    Publication date: May 2, 2019
    Inventors: Navaneethakrishnan Pandian, Vishnu Subramanian, Rajasekaran Janakiraman