Patents by Inventor Martyn Peter Kennaugh

Martyn Peter Kennaugh 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).

  • Filter materials and methods for the production thereof
    Patent number: 6623548
    Abstract: An electrostatically charged filter material including a blend of polypropylene fibres and one selected from the group consisting of: halogen free acrylic fibres; polyvinyl chloride fibers or a mixture of halogen free acrylic fibres and polyvinyl chloride fibres.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: September 23, 2003
    Assignee: Hollingsworth & Vose Air Filtration Limited
    Inventors: John Gordon, Jeremy Andrew Collingwood, Martyn Peter Kennaugh