Patents by Inventor Colin D. Froud

Colin D. Froud 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).

  • Odor control apparatus
    Patent number: 6565801
    Abstract: Odor control apparatus comprising a container for containing solid malodorous material, and inlet means for feeding deodorizing gaseous material over the solid malodorous material contained in the container.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: May 20, 2003
    Assignee: CSO Technik Limited
    Inventors: David Froud, Colin D. Froud