Patents by Inventor James W. DeVere

James W. DeVere 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).

  • Control apparatus and method for dumping tobacco
    Patent number: 4412773
    Abstract: An improved tobacco dumper is provided with a brake means for safely holding the dumper in a raised position blocking the hood opening of a tobacco feeder. Control apparatus prevents brake engagement until the dumper is in an upper dump position, and prevents dumper return until a specific control input is received and the brake is positively disengaged. Apertured drive sprockets and aligned brake pins are utilized.
    Type: Grant
    Filed: April 15, 1982
    Date of Patent: November 1, 1983
    Assignee: Griffin & Company, Inc.
    Inventors: Edwin Wilding, James W. DeVere
  • Dumper apparatus and methods
    Patent number: 4348148
    Abstract: An improved tobacco dumper is provided with a brake means for safely holding the dumper in a raised position blocking the hood opening of a tobacco feeder. Control apparatus prevents brake engagement until the dumper is in an upper dump position, and prevents dumper return until a specific control input is received and the brake is positively disengaged. Apertured drive sprockets and aligned brake pins are utilized.
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: September 7, 1982
    Assignee: Griffin & Company, Inc.
    Inventors: Edwin Wilding, James W. DeVere