Patents by Inventor David Lawrence CORNELL

David Lawrence CORNELL 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 ASSEMBLIES
    Publication number: 20140306797
    Abstract: A fume extraction apparatus (1) which comprises an identifier module (20a; 20b) capable of communicating a credential signal over an air interface, a receiver (31) for receiving the credential signal and validating the same, the identifier module attached to a removable filter unit (5; 6); and the receiver is secured to a body of the apparatus, which body removably receives the filter unit.
    Type: Application
    Filed: February 11, 2014
    Publication date: October 16, 2014
    Applicant: BOFA International Limited
    Inventor: David Lawrence CORNELL