Patents by Inventor Robert Samuel David Whybro

Robert Samuel David Whybro 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: 5690549
    Abstract: A roof for the cab of vehicle is constructed with a hollow plastic body that is molded in one piece with a blower and a heat exchanger fitted to the hollow body. The hollow body defines a cavity that forms an air duct through which air for ventilating the cab is ducted. Shuttered external and internal air intake vents allow the selection between fresh air from externally of the cab and recirculated air from within the cab. A well open through the roof provides an emergency exit from the vehicle cab.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: November 25, 1997
    Assignee: New Holland North America, Inc.
    Inventors: Stephen M. Webb, Robert Samuel David Whybro