Patents by Inventor David Mata

David Mata 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).

  • Hopper car discharge system
    Patent number: 5031546
    Abstract: A hopper discharge outlet unit for railroad hopper cars useful for breaking up large chunks of agglomerated material and permits continuous off-loading of the railroad hopper cars including a delumper mounted inside of a pneumatic hopper discharge outlet housing in conjunction with standard pneumatic hoses and an external detachable motor. The apparatus prevents large chunks of material from plugging the pneumatic outlets.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: July 16, 1991
    Assignee: The Dow Chemical Company
    Inventors: Edward H. Amos, David Mata, Pedro C. Longoria