Patents by Inventor Torquil George Spenser Landen

Torquil George Spenser Landen 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).

  • Three-way catalyst
    Patent number: 6680036
    Abstract: New three-way catalysts for vehicles contain, as an oxygen storage component, mixed oxide MnZr. These components are less expensive than state-of-the-art ceria/zirconia, and generally offer improved capacity even after exposure to high temperatures.
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: January 20, 2004
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Janet Mary Fisher, Timothy Ian Hyde, Torquil George Spenser Landen, David Thompsett