Patents by Inventor Leonard W. White

Leonard W. White 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).

  • SECUREMENT DEVICE FOR PIPES, CABLES OR CATHETERS
    Publication number: 20240139476
    Abstract: A securement device (1) for securely attaching tubular articles to surfaces comprising an anchor pad (3) for placing the securement device (1) on the surface, a substantially cylindrical base (4) on the anchor pad (3) and a screw cap (5) rotatably mountable on the base (4) at a screw mounting (6) defined between the base (4) and the screw cap (5) between an article receiving position and an article gripping position in which radial pressure is applied to the article placed in the securement device (1) to securely hold the article without the use of external adhesive fixings and prevent micro-pistoning of the article.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Applicant: University of Limerick
    Inventors: Aidan G. O'SULLIVAN, Leonard W. O'Sullivan, Eoin J. WHITE, Niall DELOUGHRY, Austin STACK
  • System and method of causing a zero-current crossing in an electrical circuit
    Patent number: 10522306
    Abstract: Disclosed herein are methods and systems for causing a zero-current crossing in an electrical circuit. The circuit can be a DC circuit in which case a switch is caused to open at or nearly at the zero crossing. Alternatively, the circuit can be an AC circuit.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: December 31, 2019
    Assignee: North Carolina State University
    Inventors: Leonard W. White, Subhashish Bhattacharya
  • SYSTEM AND METHOD OF CAUSING A ZERO-CURRENT CROSSING IN AN ELECTRICAL CIRCUIT
    Publication number: 20170345587
    Abstract: Disclosed herein are methods and systems for causing a zero-current crossing in an electrical circuit. The circuit can be a DC circuit in which case a switch is caused to open at or nearly at the zero crossing. Alternatively, the circuit can be an AC circuit.
    Type: Application
    Filed: May 26, 2017
    Publication date: November 30, 2017
    Inventors: Leonard W. White, Subhashish Bhattacharya