Patents by Inventor Charles V. Welsh

Charles V. Welsh 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).

  • Heated roll-off container
    Patent number: 4844336
    Abstract: A roll-off container in combination with a tilt bed truck which incorporates apparatus for heating the container side walls and bottom of the container with truck exhaust to prevent freezing during inclement weather. The connection between the container and a truck exhaust is made and broken automatically during normal loading and unloading operations of the roll-off container and tilt bed truck.
    Type: Grant
    Filed: May 29, 1987
    Date of Patent: July 4, 1989
    Assignee: Florig Equipment Company, Inc.
    Inventors: William J. Huber, Charles V. Welsh