Patents by Inventor Anthony L. Angel

Anthony L. Angel 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).

  • Puff control cigarette
    Patent number: 4638820
    Abstract: A smoking article which delivers to a smoker during each puff a flowstream having a higher concentration of smoke during the first portion of the puff and a lower concentration of smoke during the remainder of the puff.
    Type: Grant
    Filed: February 3, 1986
    Date of Patent: January 27, 1987
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Donald L. Roberts, Anthony L. Angel, Douglas C. Clark, Jack F. Clearman, T. Stephen Sink
  • Cold trap
    Patent number: 4488887
    Abstract: A cold trap for collecting components of an aerosol stream comprises an elongated vessel provided with an aerosol stream inlet and an aerosol stream outlet, a cooling jacket for subjecting a substantial portion of the walls of the vessel to temperatures below 0.degree. C. and a baffle assembly that includes a plurality of spaced baffle plates which cooperate to present a tortuous path to the flow of the aerosol stream as it moves through the vessel.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: December 18, 1984
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Anthony L. Angel, James L. Harris, Michael F. Dube