Patents Assigned to Washington Mills Management, Inc.
  • High performance ceramic abrasive grits of uniform thickness and methods of producing and using the same
    Patent number: 8920527
    Abstract: A ceramic abrasive grain product of a ceramic material composition, said ceramic abrasive grain product comprising at least fifty percent of abrasive grains having a uniform grain thickness of from 0.002 to 0.016 inches and a length such that the grain is self dressing when oriented such that the thickness of the grain is exposed to a workpiece, abrasive products made therefrom and method for manufacturing and using same.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: December 30, 2014
    Assignee: Washington Mills Management, Inc.
    Inventors: Robert Seider, Angelo R. Angelone
  • Method for abrading a product using very low packing density ceramic abrasive grits
    Patent number: 8795400
    Abstract: Producing and using very low packing density ceramic abrasive grits comprising various fused aluminum oxide materials with or without other oxide additives, fused aluminum oxide-zirconium oxide co-fusions with or without other oxide additives, or sintered sol gel aluminum oxide materials with or without other oxide additives where the ceramic abrasive grains are preferably made by crushing bubbles of the material.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: August 5, 2014
    Assignee: Washington Mills Management, Inc.
    Inventors: Robert Seider, Angelo R. Angelone
  • Method for producing very low packing density ceramic abrasive grits
    Patent number: 8685125
    Abstract: Producing and using very low packing density ceramic abrasive grits comprising various fused aluminum oxide materials with or without other oxide additives, fused aluminum oxide-zirconium oxide co-fusions with or without other oxide additives, or sintered sol gel aluminum oxide materials with or without other oxide additives where the ceramic abrasive grains are preferably made by crushing bubbles of the material.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: April 1, 2014
    Assignee: Washington Mills Management, Inc.
    Inventors: Robert Seider, Angelo R. Angelone
  • Very low packing density ceramic abrasive grits and methods of producing and using the same
    Patent number: 8481438
    Abstract: Producing and using very low packing density ceramic abrasive grits comprising various fused aluminum oxide materials with or without other oxide additives, fused aluminum oxide-zirconium oxide co-fusions with or without other oxide additives, or sintered sol gel aluminum oxide materials with or without other oxide additives where the ceramic abrasive grains are preferably made by crushing bubbles of the material.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: July 9, 2013
    Assignee: Washington Mills Management, Inc.
    Inventors: Robert Seider, Angelo R. Angelone
  • Very low packing density ceramic abrasive grits and methods of producing and using the same
    Publication number: 20090307985
    Abstract: Producing and using very low packing density ceramic abrasive grits comprising various fused aluminum oxide materials with or without other oxide additives, fused aluminum oxide-zirconium oxide co-fusions with or without other oxide additives, or sintered sol gel aluminum oxide materials with or without other oxide additives where the ceramic abrasive grains are preferably made by crushing bubbles of the material.
    Type: Application
    Filed: June 13, 2008
    Publication date: December 17, 2009
    Applicant: Washington Mills Management, Inc.
    Inventors: Robert Seider, Angelo R. Angelone