Patents by Inventor Barbara E. Stevens

Barbara E. Stevens 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).

  • Antistatic method and apparatus
    Patent number: 4208132
    Abstract: Static charge accretion as a result of particle handling is prevented or reduced by contacting the particles with an ionized noble gas. Particularly beneficial results are obtained by contacting dried, particulate animal body fluid with an ionized gas while conducting sieving, blending or dispensing operations.Apparatus for contacting the ionized gas with particles so as to control static charge accumulation employs a flowthrough ionized gas, preferrably a noble gas, in which ionization takes place outside of the apparatus particle treatment region.
    Type: Grant
    Filed: July 25, 1978
    Date of Patent: June 17, 1980
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventor: Barbara E. Stevens