Patents by Inventor Roland Alan Coffee

Roland Alan Coffee 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).

  • Liquid formations for electrohydrodymanic spraying containing polymer and suspended particles
    Publication number: 20040135015
    Abstract: A method of providing a droplet spray, includes supplying a liquid polymer formulation within which substantially inert particulate material is suspended to an outlet and subjecting liquid issuing from the outlet to an electric field that causes the liquid to break up into droplets.
    Type: Application
    Filed: February 6, 2004
    Publication date: July 15, 2004
    Inventors: David Neville Davies, Marie Pollard, Roland Alan Coffee