Patents by Inventor David R. Elder

David R. Elder 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).

  • Corrugated medical tubing system having fitting with anti-tamper sleeve
    Patent number: 12296136
    Abstract: A fitting for use with metal, corrugated tubing having peaks and valleys includes a nut configured to receive the tubing; a sealing member for placement in a valley of the tubing, the sealing member including a sealing surface; an adaptor configured to engage the nut, the adaptor including an adaptor sealing surface; and an anti-tamper sleeve configured to encompass the nut and adaptor; wherein upon assembly, the tubing is compressed between the adaptor sealing surface and the sealing surface.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: May 13, 2025
    Assignee: OMEGA FLEX, INC.
    Inventors: Dean W. Rivest, David R. Elder, Andrew Moore
  • CORRUGATED MEDICAL TUBING SYSTEM HAVING FITTING WITH ANTI-TAMPER SLEEVE
    Publication number: 20200398038
    Abstract: A fitting for use with metal, corrugated tubing having peaks and valleys includes a nut configured to receive the tubing; a sealing member for placement in a valley of the tubing, the sealing member including a sealing surface; an adaptor configured to engage the nut, the adaptor including an adaptor sealing surface; and an anti-tamper sleeve configured to encompass the nut and adaptor; wherein upon assembly, the tubing is compressed between the adaptor sealing surface and the sealing surface.
    Type: Application
    Filed: January 8, 2019
    Publication date: December 24, 2020
    Inventors: Dean W. Rivest, David R. Elder, Andrew Moore