Patents by Inventor Perry J. Klassen

Perry J. Klassen 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).

  • Publication number: 20040109750
    Abstract: A hydraulic boom cart system for elevating and positioning material within confined spaces. The hydraulic boom cart system includes a base structure, a first boom pivotally attached to the base structure, a second boom slidably positioned within the first boom, a first actuator attached between the base structure and the first boom, a support tube pivotally attached to the second boom, an inner tube rotatably positioned within the support tube, and a support attachment attached to the inner tube.
    Type: Application
    Filed: December 9, 2002
    Publication date: June 10, 2004
    Inventor: Perry J. Klassen