Patents by Inventor Ross Plovnick

Ross Plovnick 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).

  • Microwave sintering of sol-gel derived abrasive grain
    Patent number: 5653775
    Abstract: A method is provided for making microwave-sintered, free flowing alpha alumina-based ceramic abrasive grain, under conditions effective to couple microwaves with calcined alpha alumina-based abrasive gain precursor and sinter it at a temperature of at least about 1150.degree. C.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: August 5, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Ross Plovnick, Ahmet Celikkaya, Rodger D. Blake