Patents by Inventor Colin Howley

Colin Howley 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).

  • Publication number: 20070227438
    Abstract: A scale for a scale reading apparatus has a scale track with scale marks which form an incremental scale. The scale also has a set of reference marks. The scale has at least one additional track and different combinations of markers in the at least one additional track have different functions, for example reference mark enablers and right and left limit switches.
    Type: Application
    Filed: June 21, 2005
    Publication date: October 4, 2007
    Applicant: RENISHAW PLC
    Inventor: Colin Howley