Patents by Inventor Hubert Usel

Hubert Usel 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).

  • Electric primer for caseless propellant charges
    Patent number: 4402268
    Abstract: An electric primer for caseless propellant charges comprises an electrically conductive layer composed of an at least partially crystalline explosive and a finely divided, at least partially crystalline electron conductor distributed in the explosive. Optionally, the primer can be arranged on a support, which is preferably an explosive.
    Type: Grant
    Filed: April 30, 1980
    Date of Patent: September 6, 1983
    Assignee: Hubert Usel
    Inventor: Hubert Usel
  • Electrically ignitable cartridge-less bullet
    Patent number: 4213392
    Abstract: A bullet is composed of a projectile and a propellant charge, and an electrode-free firing cap is provided upon the bullet and fires the bullet upon the application of an electric ignition current.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: July 22, 1980
    Inventor: Hubert Usel