Patents by Inventor Doris Ann Showalter

Doris Ann Showalter 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).

  • Non conductive rubber hose
    Patent number: 11774011
    Abstract: A non-conductive rubber hose is provided exhibiting lower conductivity compared to conventional EPDM hose, and reduced stiffness compared to conventional non-conductive thermoplastic hose. The hose is useful for applications such as in hydraulics for boom trucks, and for coolant in plasma cutting tools.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: October 3, 2023
    Assignee: DANFOSS A/S
    Inventors: Aaron David Clark, Gina Theresa Clark, Doris Ann Showalter, Chad Christopher Borton
  • NON CONDUCTIVE RUBBER HOSE
    Publication number: 20220228679
    Abstract: A non-conductive rubber hose is provided exhibiting lower conductivity compared to conventional EPDM hose, and reduced stiffness compared to conventional non-conductive thermoplastic hose. The hose is useful for applications such as in hydraulics for boom trucks, and for coolant in plasma cutting tools.
    Type: Application
    Filed: April 6, 2022
    Publication date: July 21, 2022
    Inventors: Aaron David Clark, Gina Theresa Clark, Doris Ann Showalter, Chad Christopher Borton
  • Non conductive rubber hose
    Patent number: 11300232
    Abstract: A non-conductive rubber hose is provided exhibiting lower conductivity compared to conventional EPDM hose, and reduced stiffness compared to conventional non-conductive thermoplastic hose. The hose is useful for applications such as in hydraulics for boom trucks, and for coolant in plasma cutting tools.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: April 12, 2022
    Assignee: Danfoss Power Solutions II Technology A/S
    Inventors: Aaron David Clark, Gina Theresa Clark, Doris Ann Showalter, Chad Christopher Borton
  • NON CONDUCTIVE RUBBER HOSE
    Publication number: 20180231152
    Abstract: A non-conductive rubber hose is provided exhibiting lower conductivity compared to conventional EPDM hose, and reduced stiffness compared to conventional non-conductive thermoplastic hose. The hose is useful for applications such as in hydraulics for boom trucks, and for coolant in plasma cutting tools.
    Type: Application
    Filed: February 9, 2018
    Publication date: August 16, 2018
    Inventors: Aaron David Clark, Gina Theresa Clark, Doris Ann Showalter, Chad Christopher Borton