Patents by Inventor Werner Siegelin

Werner Siegelin 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).

  • Caseless propellant charge
    Patent number: 4192837
    Abstract: A process for producing caseless propellant charges containing impact-sensitive material comprising the steps of impregnating a pre-formed propellent charge with a solution of impact-sensitive material and vaporizing the solvent from the propellent.
    Type: Grant
    Filed: April 3, 1974
    Date of Patent: March 11, 1980
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Heinz Gawlick, Gunter Marondel, Werner Siegelin
  • Pyrotechnical sealing cord
    Patent number: 4160062
    Abstract: A pyrotechnical sealing material comprises a heat-foamable synthetic resin capable of being foamed with the aid of a burnable pyrotechnical composition. The sealing material is in the form of a cord having a core made of the pyrotechnical composition and a casing separated from the core by a flexible sheath. The casing is formed from the heat-foamable synthetic resin.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: July 3, 1979
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Heinz Gawlick, Axel Homburg, Werner Siegelin, Gunther Marondel, deceased
  • Separating element
    Patent number: 3994201
    Abstract: A separating element comprises a body member for securing at least two parts together. The body member has an electrically ignitable separating charge disposed in tamped form within a recess therein, means operatively associated with the separating charge, which when a predetermined temperature has been reached, renders the explosive effect of the separating charge ineffective and ignition means for igniting the separating charge within said recess when separation of the parts is required.
    Type: Grant
    Filed: August 1, 1974
    Date of Patent: November 30, 1976
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Hellmut Bendler, Heinz Gawlick, Werner Siegelin