Patents by Inventor Manfred HECHTL

Manfred HECHTL 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).

  • Patent number: 8833227
    Abstract: A sealing ring obturates a propellant charge cartridge of an automatic firearm for caseless ammunition, in particular against an end face of a firearm element, in particular for a breech or a projectile cartridge. The sealing ring contains a sealing surface that can be brought into contact with the end face. The sealing surface contains a first region around an annular opening of the sealing ring and a second region around the first region. The second region is set back relative to a tangential surface to the first region. In addition, a propellant charge cartridge for an automatic firearm for caseless ammunition, has at least one of the sealing rings. The propellant charge cartridge preferably contains one or multiple, in particular two, propellant charge chambers, which are provided with a sealing ring on each of the breech side and the projectile cartridge side.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: September 16, 2014
    Assignee: Diehl BGT Defence GmbH & Co. KG
    Inventors: Axel Pfersmann, Fritz Schlenk, Manfred Hechtl, Alfred Eckel
  • Publication number: 20130014634
    Abstract: A sealing ring obturates a propellant charge cartridge of an automatic firearm for caseless ammunition, in particular against an end face of a firearm element, in particular for a breech or a projectile cartridge. The sealing ring contains a sealing surface that can be brought into contact with the end face. The sealing surface contains a first region around an annular opening of the sealing ring and a second region around the first region. The second region is set back relative to a tangential surface to the first region. In addition, a propellant charge cartridge for an automatic firearm for caseless ammunition, has at least one of the sealing rings. The propellant charge cartridge preferably contains one or multiple, in particular two, propellant charge chambers, which are provided with a sealing ring on each of the breech side and the projectile cartridge side.
    Type: Application
    Filed: July 2, 2012
    Publication date: January 17, 2013
    Applicant: DIEHL BGT DEFENCE GMBH & CO. KG
    Inventors: Axel PFERSMANN, Fritz SCHLENK, Manfred HECHTL, Alfred ECKEL