Patents by Inventor Edgar Geigle, deceased

Edgar Geigle, deceased 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).

  • Safety device for packagings which contain hydrogen emitting pyrophoric metallic catalysts
    Patent number: 4409185
    Abstract: The object of the invention is a safety device for packagings which contain pyrophoric metallic catalysts that emit hydrogen. The apparatus consists of a hollow stopper, open upward, in the bottom of which a pressure relief valve is fitted, an oxidation catalyst arranged in the stopper, and a gas-permeable closure covering the upper side of the stopper.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: October 11, 1983
    Assignee: Degussa Aktiengesellschaft
    Inventors: Helmfried Krause, Hubertus Wobbermin, Edgar Geigle, deceased