Patents by Inventor Anthony J. Coombe

Anthony J. Coombe 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).

  • Fluid energy mill with differential pressure means
    Patent number: 4502641
    Abstract: A fluid energy mill of the confined vortex type for comminuting pulverulent solids, said mill provided with means for measuring the differential pressure between the discharge and the feed of the mill through openings in the chamber peripheral wall and in the discharge means, each opening provided with means for purging into the mill to prevent pluggage thereof and a process for using the mill to grind solid TiO.sub.2 by maintaining a constant differential pressure between 100-600 inches of water.
    Type: Grant
    Filed: April 29, 1981
    Date of Patent: March 5, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Anthony J. Coombe