Patents by Inventor Hans D. Harnau

Hans D. Harnau 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).

  • Micro-delayed detonator for ballistic rockets and rockets thus equipped
    Patent number: 3982487
    Abstract: The invention pertains to a micro-detonator having a first cap and a second cap associated to a delaying charge. Said caps are respectively located in housings separated by a diaphragm having a striking protrusion to fire the second cap.
    Type: Grant
    Filed: June 4, 1974
    Date of Patent: September 28, 1976
    Assignee: S.A. Prb. Societe Anonyme
    Inventors: Adelin F. Richelle, Hans D. Harnau