Patents by Inventor John Medforth

John Medforth 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).

  • Protectors
    Publication number: 20080189820
    Abstract: A protector for the head, face and/or eyes, for example a welder's helmet, carries at least one gas sensor in a position where the sensor can detect one or more properties of the atmosphere to be inhaled by a person wearing the protector. The gas sensor is operatively associated with at least one data conversion, data transmission and/or data memory device also carried by the protector.
    Type: Application
    Filed: October 12, 2005
    Publication date: August 14, 2008
    Applicant: THE BOC GROUP PLC
    Inventors: John Duffy, John Medforth