Patents by Inventor Melvin Stern

Melvin Stern 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).

  • Deepwater propellant embedded anchor having emergency release mechanism
    Patent number: 4356788
    Abstract: A deepwater propellant embedded anchor system having emergency release menism for separating an anchor fluke assembly from the gun assembly. In an emergency, a sear pin is rotated by a lever and release line to disengage the fluke assembly, thus allowing the fluke assembly and explosive cartridge to drop away and allow water to flood the gun barrel and soak the primer for disarming the anchor system.
    Type: Grant
    Filed: April 27, 1981
    Date of Patent: November 2, 1982
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Melvin Stern, Daniel G. True
  • Zinc dust, its preparation, and apparatus for preparing same
    Patent number: 3941609
    Abstract: Zinc dust composed of generally spherical zinc dust grains and having a grain size distribution such that at least about 98% of the grains have a grain size less than 15 microns and no more than about 3% of the grains have a grain size less than 2 microns, and especially well adapted for use in corrosion-inhibiting coating compositions where thin but effective protective coatings are desired or required. The zinc dust has a metallic zinc content of about 96%-98%. The corrosion-inhibiting coating compositions, and apparatus and method for the preparation of such zinc dust are also disclosed.
    Type: Grant
    Filed: August 22, 1973
    Date of Patent: March 2, 1976
    Assignee: ASARCO Incorporated
    Inventor: Melvin Stern