Patents by Inventor Hakeem KHIRZADA

Hakeem KHIRZADA 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).

  • Patent number: 11952960
    Abstract: A beta-type Stirling machine capable of operating in a refrigeration mode. The Stirling machine has a cold section and a hot section, a displacement piston having a friction zone, and an engine piston having a friction zone. The Stirling machine has a single liner arranged in the hot section of the Stirling machine operating in the refrigeration mode, wherein the friction zones of the displacement piston and the engine piston slide within the single liner.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: April 9, 2024
    Assignee: UNIVERSITE DE FRANCHE-COMT
    Inventors: Sylvie Begot, Steve Djetel-Gothe, Hakeem Khirzada, François Lanzetta, Guillaume Layes, Philippe Nika
  • Publication number: 20220065193
    Abstract: A beta-type Stirling machine capable of operating in a refrigeration mode. The Stirling machine has a cold section and a hot section, a displacement piston having a friction zone, and an engine piston having a friction zone. The Stirling machine has a single liner arranged in the hot section of the Stirling machine operating in the refrigeration mode, wherein the friction zones of the displacement piston and the engine piston slide within the single liner.
    Type: Application
    Filed: December 17, 2019
    Publication date: March 3, 2022
    Inventors: Sylvie BEGOT, Steve DJETEL-GOTHE, Hakeem KHIRZADA, François LANZETTA, Guillaume LAYES, Philippe NIKA