Patents by Inventor Joseph S. Cooper

Joseph S. Cooper 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).

  • Doctor blade with non-homogeneous stiffness properties
    Patent number: 4549933
    Abstract: A composite doctor blade with non-homogeneous stiffness properties and having a plurality of juxtaposed fibrous layers which are encapsulated in an epoxy resin. The composite blade has a fibrous core, intermediate uni-directional graphite fiber layers and outer fibrous layers. The uni-directional graphite fibers in the intermediate layers are oriented in the machine direction.
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: October 29, 1985
    Assignee: Thermo Electron Corporation
    Inventors: Michael Judd, Joseph S. Cooper