Patents by Inventor Thomas C. Grego

Thomas C. Grego 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).

  • Firing pin indent gauge
    Patent number: 11215418
    Abstract: An in-weapon sensor enables electronic measurement of the firing pin indent force of a weapon system. The in-weapon sensor measures, either directly or indirectly, the indent force of the firing pin and communicates the information outside of the weapon to a data capture device. The data capture device provides a visual indication as to whether the firing pin indent force is sufficient or insufficient.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: January 4, 2022
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Thomas C. Grego, Christopher Gandy, Brian Donovan, Adrial Kirchen, Jeffrey Kinsberg, Andrew Orsini
  • M4A1 helically fluted barrel
    Patent number: 10627179
    Abstract: An M4A1 helically fluted gun barrel is provided which increases sustained peak temperature levels for the barrel. This M4A1 helically fluted gun barrel incorporates multi-start variable pitch helical openings into the exterior profile of a standard M4A1 heavy barrel. The helical openings increase the outer surface area for heat dissipation, and also reduce weight as a further advantage.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: April 21, 2020
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Thomas C. Grego, Adam Foltz
  • Buttstock
    Patent number: D760858
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: July 5, 2016
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Thomas J. Formanes, Dennis M. Sheehan, Lucien G. Ingrassia, Thomas C. Grego, Patrick W. Sherwood, Kevin T. Bauer, Joe O'Neil, Steve Kotefski
  • Magazine loader assembly
    Patent number: D815235
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: April 10, 2018
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Thomas C. Grego, Adam L. Foltz, Vincent Escalona
  • M4A1 Helically fluted gun barrel
    Patent number: D889583
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: July 7, 2020
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Thomas C. Grego, Adam Foltz