Patents by Inventor Dean L. Bjerkelund

Dean L. Bjerkelund 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).

  • Wheeled work machine with modular ventilation system
    Publication number: 20030073400
    Abstract: A modular HVAC unit is disposable within a power machine. The modular HVAC unit can illustratively be placed in the operator compartment and requires very simple electrical, fluid and air duct connections.
    Type: Application
    Filed: October 12, 2001
    Publication date: April 17, 2003
    Inventors: Jeffrey A. Dahl, Dean L. Bjerkelund