Patents by Inventor Lee Alan Tollhurst

Lee Alan Tollhurst 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).

  • Patent number: 6497916
    Abstract: An apparatus for coating tubular members, such as stents comprises a liquid reservoir and a stent support member for supporting, in use, a tubular member. Support member dipping means places the support member in the liquid reservoir in use and draws the support member therefrom. Pressure differential generating means generates a pressure differential. The stent support member is arranged to provide a central passageway through a stent placed thereon, the central passageway having a plurality of perforations formed therein, and the pressure differential generating means is arranged to generate, in use, a pressure differential between the passageway and the tubular member.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: December 24, 2002
    Assignee: Biocompatibles Limited
    Inventors: Alistair Stewart Taylor, Lee Alan Tollhurst, Donal Thomas Hempensall
  • Patent number: 6214115
    Abstract: The invention provides an apparatus for coating tubular members, such as stents, and also provides a method for coating tubular members. The invention improves manufacturing efficiencies of existing manual-dipping technology for stents and also addresses manufacturing problems from stents having plural surface apertures associated with the presence of excess liquid, inconsistent drying of the liquid and blockage.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: April 10, 2001
    Assignee: Biocompatibles Limited
    Inventors: Alistair Stewart Taylor, Lee Alan Tollhurst, Donal Thomas Hempensall