Patents by Inventor Maire Charlotte Clements

Maire Charlotte Clements 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: 8205437
    Abstract: An exhaust system for an internal combustion engine, which system comprises a monolith substrate (10) coated with a catalyst, which monolith substrate comprising a plurality of substantially parallel channels, each channel having a length extending from an upstream end to a downstream end; and a first sensor disposed in a hole (16) defined in part by an external wall of the monolith substrate, wherein the monolith substrate comprises a portion (12) of the plurality of channels wherein the catalyst composition in at least a part of the length of channels extending from the upstream end has an increased activity for a reaction for which the catalyst composition is intended relative to catalyst composition in a remainder (14) of the monolith substrate, the arrangement being such that the sensor is contacted substantially only with exhaust gas that has first contacted the catalyst composition having an increased activity.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: June 26, 2012
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Louise Clare Arnold, Robert James Brisley, Graham Peter Champion, Maire Charlotte Clements, Neil Robert Collins, Darrell Morris, Paul Richard Phillips