Patents by Inventor Martin J. Openshaw

Martin J. Openshaw 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: 6941743
    Abstract: A method, apparatus, and fuel composition for the protection of a catalytic after treatment system and a method for protecting a catalytic after treatment system in a lean burn system are disclosed. A scavenging agent is introduced into the combustion chamber in an amount effective to complex with catalytic poisoning combustion byproducts and improve emissions system durability. In a preferred embodiment, the scavenger is an organometallic compound which also imparts additional desirable properties to the fuel.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: September 13, 2005
    Assignee: Ethyl Corporation
    Inventors: Joseph W. Roos, Martin J. Openshaw, Herbert M. Scull
  • Patent number: 6629407
    Abstract: A method, apparatus, and fuel composition for the protection of a catalytic after treatment system and a method for protecting a catalytic after treatment system in a lean burn system are disclosed. A scavenging agent is introduced into the combustion chamber in an amount effective to complex with catalytic poisoning combustion byproducts and improve emissions system durability. In a preferred embodiment, the scavenger is an organometallic compound which also imparts additional desirable properties to the fuel.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: October 7, 2003
    Assignee: Ethyl Corporation
    Inventors: Joseph W. Roos, Martin J. Openshaw, Herbert M. Scull
  • Publication number: 20030177758
    Abstract: A method, apparatus, and fuel composition for the protection of a catalytic after treatment system and a method for protecting a catalytic after treatment system in a lean burn system are disclosed. A scavenging agent is introduced into the combustion chamber in an amount effective to complex with catalytic poisoning combustion byproducts and improve emissions system durability. In a preferred embodiment, the scavenger is an organometallic compound which also imparts additional desirable properties to the fuel.
    Type: Application
    Filed: June 5, 2003
    Publication date: September 25, 2003
    Inventors: Joseph W. Roos, Martin J. Openshaw, Herbert M. Scull
  • Publication number: 20020112466
    Abstract: A method, apparatus, and fuel composition for the protection of a catalytic after treatment system and a method for protecting a catalytic after treatment system in a lean burn system are disclosed. A scavenging agent is introduced into the combustion chamber in an amount effective to complex with catalytic poisoning combustion byproducts and improve emissions system durability. In a preferred embodiment, the scavenger is an organometallic compound which also imparts additional desirable properties to the fuel.
    Type: Application
    Filed: December 12, 2000
    Publication date: August 22, 2002
    Inventors: Joseph W. Roos, Martin J. Openshaw, Herbert M. Scull