Patents by Inventor Abraham O. Ogman

Abraham O. Ogman 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: 4702960
    Abstract: The invention relates to a surface treatment for a carbon surface. A carbon-rich silicon carbide layer is applied over the carbon surface. The ratio of silicon to carbon in the carbon-rich layer varies from zero at the carbon surface interface to greater than zero and preferably 0.3 to 0.5 on the surface of the carbon-rich layer remote from the interface. A preferred method of making the silicon carbide layer is also presented.
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: October 27, 1987
    Assignee: Avco Corporation
    Inventor: Abraham O. Ogman