Patents by Inventor James W. Drain

James W. Drain 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).

  • Polishing machine comprising a work chamber and a platform
    Patent number: 7976359
    Abstract: A polishing machine for optical elements, comprising:—a spindle arranged to rotationally drive an optical element;—a polishing tool mobile relative to the spindle; wherein the polishing machine further comprises a platform mounted on top of a work chamber, the work chamber comprising the spindle, and the platform holding a body on which is mounted the polishing tool.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: July 12, 2011
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventors: James W. Drain, John Roderick Keller, Steven L. Reid, Joseph K. Bond, Maggy Perrier, Laurent Marcepoil, Eric Comte
  • Polishing machine comprising sliding means transverse to the front face
    Patent number: 7938715
    Abstract: A polishing machine for optical elements includes: —a spindle arranged to rotationally drive an optical element; —a polishing tool mobile relative to the spindle; —a front face provided with a door enabling the access to the spindle and to the polishing tool. The polishing tool is mounted on a body which is rotationally mounted on sliding members by way of a first axis, the sliding members being substantially perpendicular to the front face.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: May 10, 2011
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventors: James W. Drain, John Roderick Keller, Steven L. Reid, Joseph K. Bond, Maggy Perrier, Laurent Marcepoil, Eric Comte
  • Polishing machine comprising a work chamber and a platform
    Patent number: 7591710
    Abstract: A polishing machine for optical elements, comprising: a spindle arranged to rotationally drive an optical element; a polishing tool mobile relative to the spindle; wherein the polishing machine further comprises a platform mounted on top of a work chamber, the work chamber comprising the spindle, and the platform holding a body on which is mounted the polishing tool.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: September 22, 2009
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventors: James W. Drain, John R. Keller, Steven L. Reid, Joseph K. Bond, Maggy Perrier, Laurent Marcepoil, Eric Comte
  • Polishing Machine Comprising Sliding Means Transverse to the Front Face
    Publication number: 20090011685
    Abstract: A polishing machine for optical elements includes: —a spindle arranged to rotationally drive an optical element; —a polishing tool mobile relative to the spindle; —a front face provided with a door enabling the access to the spindle and to the polishing tool. The polishing tool is mounted on a body which is rotationally mounted on sliding members by way of a first axis, the sliding members being substantially perpendicular to the front face.
    Type: Application
    Filed: December 20, 2006
    Publication date: January 8, 2009
    Applicant: ESSILOR INTERNATIONAL ( Compagnie Generale d'Optique)
    Inventors: James W. Drain, John Roderick Keller, Steven L. Reid, Joseph K. Bond, Maggy Perrier, Laurent Marcepoil, Eric Comte
  • Polishing Machine Comprising a Work Chamber and a Platform
    Publication number: 20090011684
    Abstract: A polishing machine for optical elements, comprising:—a spindle arranged to rotationally drive an optical element;—a polishing tool mobile relative to the spindle; wherein the polishing machine further comprises a platform mounted on top of a work chamber, the work chamber comprising the spindle, and the platform holding a body on which is mounted the polishing tool.
    Type: Application
    Filed: December 26, 2006
    Publication date: January 8, 2009
    Applicant: ESSILOR INTERNATIONAL (Compagnie Generale d'Optique)
    Inventors: James W. Drain, John Roderick Keller, Steven L. Reid, Joseph K. Bond, Maggy Perrier, Laurent Marcepoil, Eric Comte
  • Polishing machine comprising sliding means transverse to the front face
    Patent number: 7396275
    Abstract: A polishing machine for optical elements, comprising: a spindle arranged to rotationally drive an optical element; a polishing tool mobile relative to the spindle; a front face provided with a door enabling the access to the spindle and to the polishing tool; wherein the polishing tool is mounted on a body which is rotationally mounted on sliding means by way of a first axis, the sliding means being substantially perpendicular to the front face.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: July 8, 2008
    Assignee: Essilor International (Compagnie General d'Optique)
    Inventors: James W. Drain, John R. Keller, Steven L. Reid, Joseph K. Bond, Maggy Perrier, Laurent Marcepoil, Eric Comte