Patents by Inventor Robert Alexander Halm

Robert Alexander Halm 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).

  • Threaded fastener with improved resistance to backing out of a blind hole
    Patent number: 11773892
    Abstract: A threaded fastener composed of separate upper and lower portions with a small axial freedom of movement relative to one another. After being threaded into a blind hole together, the portions are moved relative to one another and locked in place, creating a distribution of stresses which resists backing-out of the fastener without the various drawbacks which limit prior art solutions to this and similar threaded fastener applications.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: October 3, 2023
    Inventor: Robert Alexander Halm
  • Threaded Fastener with Improved Resistance to Backing Out of a Blind Hole
    Publication number: 20210372456
    Abstract: A threaded fastener composed of separate upper and lower portions with a small axial freedom of movement relative to one another. After being threaded into a blind hole together, the portions are moved relative to one another and locked in place, creating a distribution of stresses which resists backing-out of the fastener without the various drawbacks which limit prior art solutions to this and similar threaded fastener applications.
    Type: Application
    Filed: June 1, 2020
    Publication date: December 2, 2021
    Inventor: Robert Alexander Halm