Patents by Inventor Andrew Joseph Hageman

Andrew Joseph Hageman 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).

  • Patent number: 7861814
    Abstract: A work machine comprises an external housing, an air precleaner, an air filter, and a plenum box. The air precleaner is positioned outside the external housing, and the air filter is positioned inside the external housing. The plenum box is coupled fluidly to the air precleaner and the air filter for communication of intake air from the air precleaner to the air filter through the plenum box.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: January 4, 2011
    Assignee: Deere & Company
    Inventors: Andrew Joseph Hageman, Gregory Francis Swift
  • Publication number: 20090229685
    Abstract: A work machine comprises an external housing, an air precleaner, an air filter, and a plenum box. The air precleaner is positioned outside the external housing, and the air filter is positioned inside the external housing. The plenum box is coupled fluidly to the air precleaner and the air filter for communication of intake air from the air precleaner to the air filter through the plenum box.
    Type: Application
    Filed: March 6, 2008
    Publication date: September 17, 2009
    Inventors: Andrew Joseph Hageman, Gregory Francis Swift