Patents by Inventor David Quirke

David Quirke 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).

  • STABLE CENTER WAVELENGTH PERFORMANCE IN NON-RECTILINEARLY SHAPED OPTICAL INTEGRATED CIRCUIT CHIP
    Publication number: 20080080806
    Abstract: An optical device with a non-rectilinearly shaped optical integrated circuit over a substantially flat portion of a riser, the riser also equipped with a relief structure that is in thermal contact with a stabilizing brace that is in turn connected to two portions of the non-rectilinearly shaped optical integrated circuit. The non-rectilinearly shaped optical integrated circuit exhibits reduced center wavelength drift.
    Type: Application
    Filed: May 24, 2007
    Publication date: April 3, 2008
    Applicant: NEOPHOTONICS CORPORATION
    Inventors: Calvin Ho, Brian McGinnis, Wilson Long, Ed Fontecha, David Quirke, Thomas Tarter, Sam Seto, Liang Zhao
  • Thread-milling cutter and a thread-milling insert
    Patent number: 6499917
    Abstract: A thread-milling cutter includes a cutting head with cutting insert pockets and thread-milling inserts received in respective pockets. An attachment portion integral with the cutting head is received in a drive coupling. Each insert includes a recess forming an abutment surface that is engaged by a screw to secure the insert in the pocket. The abutment surface is inclined in a manner causing the screw to push the insert deeper into the pocket.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: December 31, 2002
    Assignee: Seco Tools AB
    Inventors: Mike J. Parker, David Quirke