Patents by Inventor David T. Jacobsen

David T. Jacobsen 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).

  • Medical device having rheometric materials and method therefor
    Publication number: 20030065373
    Abstract: A medical device includes a device body which extends from a proximal end to a distal end. The medical device also includes a rheometric material associated therewith. Examples of rheometric materials include, but are not limited to, electroactive materials, such as a polymer or magnoactive material. The rheometric material stiffens at least a portion of the device body as electric current, voltage, or a magnetic field is applied thereto.
    Type: Application
    Filed: October 2, 2001
    Publication date: April 3, 2003
    Inventors: Eric G. Lovett, Robert J. Sweeney, David T. Jacobsen, Gildo L. Epis
  • Removable faceplate compactor ram
    Patent number: 4425843
    Abstract: The combination of a storage bin, such as a dumpster container for trash and refuse, with a compactor adapted to convey a solids or particulate material thereto, wherein the compactor incorporates a compactor ram having a face plate releasably latched to the forward or head end of the ram. When the dumpster container is full, the face plate is adapted to be detached from the ram and concurrently fastened to the storage bin to constitute a closure for the material inlet opening of the container so as to prevent spills of trash therefrom.
    Type: Grant
    Filed: February 1, 1982
    Date of Patent: January 17, 1984
    Assignee: General Foods Corporation
    Inventors: David T. Jacobsen, Jerome P. Klopfenstein