Patents by Inventor Ahti J. Isolehto

Ahti J. Isolehto 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).

  • Stamped roof panel for a utility vehicle cab
    Patent number: 8668255
    Abstract: A stamped roof panel for the cab of a utility vehicle includes a base portion having a periphery, a protrusion extending upwardly around the periphery of the base portion, and a plurality of drainage gaps in the protrusion. The protrusion has a generally U-shaped cross-sectional profile with a first leg extending from the base portion, a bight portion, and a second leg extending downwardly from the bight portion. The second leg of the protrusion may extend downwardly beyond the base portion and the top edge of the wall panels of the cab. The roof panel may further include a raised panel spaced upwardly from the base portion.
    Type: Grant
    Filed: November 27, 2012
    Date of Patent: March 11, 2014
    Assignee: Caterpillar Inc.
    Inventors: Sean A. Randleman, Timothy J. Linder, Mark Wayne Hammerton, Rajesh Mishra, Dale B. Higdon, Ahti J. Isolehto, Thomas A. Jenne, Daniel K. Allen