Patents by Inventor Bobby G. Martin

Bobby G. Martin 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).

  • WORK MACHINE WITH DOOR-MOUNTABLE FRESH AIR FILTER
    Publication number: 20140250654
    Abstract: A work machine comprises an operator station, a filter door, and a fresh air filter to filter fresh air that flows from outside the operator station into the operator station. The fresh air filter is mounted to the filter door for movement therewith relative to the operator station. An associated method is disclosed.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 11, 2014
    Applicant: Deere & Company
    Inventors: Richard L. FOREST, Joshua J. STEPHENS, Bobby G. MARTIN, Thomas A. KNOPP
  • Work machine with door-mountable fresh air filter
    Patent number: 8430450
    Abstract: A work machine comprises an operator station, a filter door, and a fresh air filter to filter fresh air that flows from outside the operator station into the operator station. The fresh air filter is mounted to the filter door for movement therewith relative to the operator station. An associated method is disclosed.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: April 30, 2013
    Assignee: Deere & Company
    Inventors: Joshua J. Stephens, Bobby G. Martin, Thomas A. Knopp, Richard L. Forest
  • Work Machine With Door-Mountable Fresh Air Filter
    Publication number: 20110133513
    Abstract: A work machine comprises an operator station, a filter door, and a fresh air filter to filter fresh air that flows from outside the operator station into the operator station. The fresh air filter is mounted to the filter door for movement therewith relative to the operator station. An associated method is disclosed.
    Type: Application
    Filed: August 20, 2008
    Publication date: June 9, 2011
    Inventors: Joshua J. Stephens, Bobby G. Martin, Thomas A. Knopp, Richard L. Forest