Patents by Inventor Donald J. Wyland

Donald J. Wyland 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).

  • Dump pit magnet assembly
    Patent number: 4333825
    Abstract: A dump pit for grain has a magnet cylinder fixedly mounted therein with its axis extending through an access door opening on the dump pit. A non-magnetic shell is slideably arranged over the magnet and is adapted to be retracted through the door opening so that the tramp metal accumulating on the shell will simply fall off when the shell is retracted.
    Type: Grant
    Filed: January 28, 1981
    Date of Patent: June 8, 1982
    Assignee: Industrial Magnetics, Inc.
    Inventors: Donald J. Wyland, Michael W. Stowe
  • Magnetic separator
    Patent number: 4319989
    Abstract: A magnetic separator in the form of a cylindrical duct of circular cross section having opposite end sections and a radially enlarged central section. Within the central section is arranged an axially extending cylindrical magnet assembly. The diameter of the central section is determined in relation to the diameter of the magnet assembly so that the flow rate throughout the duct is generally constant.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: March 16, 1982
    Assignee: Industrial Magnetics, Inc.
    Inventors: Donald J. Wyland, Michael W. Stowe