Patents by Inventor Herman A. Fabert, Jr.

Herman A. Fabert, Jr. 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).

  • Dipper door retainer
    Patent number: 4282664
    Abstract: A multi-part fastening device which pivotally connects a door to a dipper and the dipper to a power shovel handle about the same axis, wherein one part of the device can be removed to permit the dipper to be removed from the handle, while the other part of the device remains in place to retain the door on the dipper.
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: August 11, 1981
    Assignee: Abex Corporation
    Inventors: Arthur M. Thiele, Herman A. Fabert, Jr.
  • Consumable guide tube assembly
    Patent number: 4129773
    Abstract: A consumable assembly consituting the source of metal for welding by the electroslag process, comprising a stainless steel guide sleeve, a tube of copper inside the guide sleeve, and a weld wire inside the copper tube.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: December 12, 1978
    Assignee: Abex Corporation
    Inventors: Charles E. Ridenour, Herman A. Fabert, Jr., John Tasker, Hugo R. Larson
  • Welding manganese steel
    Patent number: 4104504
    Abstract: Sections of cast manganese steel, or manganese steel to be interfaced to another steel, are joined by electroslag welding. Metallurgical limitations, operating parameters and physical attributes of the guide tube are imposed to retard embrittlement of the base metal and weld metal as well, to prevent tearing, to assure satisfactory ductility, and to preserve the integrity of the austenitic manganese steel in the weld metal.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: August 1, 1978
    Assignee: Abex Corporation
    Inventors: Charles E. Ridenour, Herman A. Fabert, Jr., John Tasker, Hugo R. Larson