Patents by Inventor Martin Hollmann

Martin Hollmann 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: 4523538
    Abstract: A torpedo launcher for a submarine, wherein the torpedo tube is encircled a cylindrical enclosure and a sack is disposed in the cylindrical enclosure and the sack is in fluid communication with the breech end of the torpedo tube. The torpedo tube and sack are filled with seawater and pressurized air is rapidly supplied to the cylindrical enclosure to eject the torpedo from the torpedo tube.
    Type: Grant
    Filed: January 7, 1983
    Date of Patent: June 18, 1985
    Assignees: Westinghouse Electric Corp., The United States of America as represented by the Secretary of the Navy
    Inventors: Martin Hollmann, Francis J. Waclawik
  • Patent number: 4453449
    Abstract: A holddown apparatus having a sleeve with a plurality of fingers, the reactive length of which is varied in order to provide any predetermined engaging and release force to detents which engage a groove in a shaft that is attached to a missile to form a passive holddown apparatus which is reusable.
    Type: Grant
    Filed: September 10, 1981
    Date of Patent: June 12, 1984
    Assignee: Westinghouse Electric Corp.
    Inventor: Martin Hollmann
  • Patent number: D354936
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: January 31, 1995
    Assignee: Starkraft, Inc.
    Inventors: Roger E. Kraft, Jeffrey D. Ackland, Harold E. Kraft, Martin Hollmann
  • Patent number: D369776
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: May 14, 1996
    Assignee: Starkraft, Inc.
    Inventors: Roger E. Kraft, Jeffrey D. Ackland, Harold E. Kraft, Martin Hollmann