Patents by Inventor Mark J. Haiar

Mark J. Haiar 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).

  • Rolling ingot
    Patent number: 4486509
    Abstract: An improved ingot shape which when rolled to sheet or plate does not form laminated edges which must be trimmed. The narrow faces of the generally rectangularly shaped ingot have recesses along the length of the upper and lower portions thereof. The land area between the two recesses on each narrow face extends outwardly beyond the top and bottom edges of the ingot.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: December 4, 1984
    Assignee: Kaiser Aluminum & Chemical Corporation
    Inventors: Jorge B. Deschapelles, Mark J. Haiar