Patents by Inventor Raymond D. Larsen

Raymond D. Larsen 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).

  • Formulating and delivery system for emulsion blasting
    Patent number: 4526633
    Abstract: The invention is a method and apparatus for formulating and delivering emulsion slurry blasting agents in a self-contained, "on-site," movable system, such as a heavy duty truck which houses the necessary apparatus for formulating the emulsion blasting agent. A key part of the apparatus is a blender in which the emulsion phase is formed.
    Type: Grant
    Filed: March 23, 1984
    Date of Patent: July 2, 1985
    Assignee: IRECO Incorporated
    Inventors: Larry D. Lawrence, Walter B. Sudweeks, Raymond D. Larsen