Patents by Inventor Julian Stuart Walton

Julian Stuart Walton 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).

  • Controlled atmosphere equipment
    Patent number: 6465244
    Abstract: Controlled atmosphere entry/exit lock unit (10) for association with a controlled atmosphere cabinet (80), the lock unit (10) having two controlled access means (13; 30) both usually operable alternatively for sealing and communicating, one (30) relative to said cabinet (80) and the other (13) relative to outside, the lock unit further having atmosphere control means (70-78) operable for achieving internal atmosphere conditions compatible with what may be prescribed for said cabinet (80), the one access means having movable door means (30) and related powered actuation means (50; 30A, B) including for sealing relative to access with said cabinet (80).
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: October 15, 2002
    Assignee: Don Whitley Scientific Limited
    Inventors: Michael John Annable, Evan Jonathan Kitsell, Julian Stuart Walton