Patents by Inventor Jan Holterman

Jan Holterman 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).

  • Device for clamping a tool
    Patent number: 8943870
    Abstract: Disclosed is a clamping device for clamping a tool, which includes a part receiving the tool, an actuated member and an engaging member to be brought into contact with the tool. The clamping device is further provided with a transmission placed between the actuated member and the engaging member. The actuated member can be pneumatically or electrically driven, and includes for instance a pneumatic jack, an electric motor or a piezoelectric element or an electromagnet. The actuated member can also be hydraulically driven. The transmission can include a wedge-shaped member or a lever. The clamping device can be self-braking.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: February 3, 2015
    Assignee: Wila B.V.
    Inventors: Franciscus Wilhelmus Rouweler, Jan Peters, Jan Holterman
  • Device for Clamping a Tool
    Publication number: 20110247389
    Abstract: Disclosed is a clamping device for clamping a tool, which includes a part receiving the tool, an actuated member and an engaging member to be brought into contact with the tool. The clamping device is further provided with a transmission placed between the actuated member and the engaging member. The actuated member can be pneumatically or electrically driven, and includes for instance a pneumatic jack, an electric motor or a piezoelectric element or an electromagnet. The actuated member can also be hydraulically driven. The transmission can include a wedge-shaped member or a lever. The clamping device can be self-braking.
    Type: Application
    Filed: November 11, 2009
    Publication date: October 13, 2011
    Applicant: WILA B.V.
    Inventors: Franciscus Wilhelmus Rouweler, Jan Peters, Jan Holterman
  • Lithographic apparatus, device manufacturing method, and device manufacturing thereby
    Patent number: 6791664
    Abstract: Vibrational movement between the top of a lens and a main plate on which the lens is mounted is reduced by attaching between the lens and the main plate a lens support which detects relative movement between the lens and the main plates using piezoelectric sensors and compensates for that movement to reduce vibration using piezoelectric actuators which are in series with the piezoelectric sensors. The control signal which is generated to actuate the actuated piezoelectrics is generated by a controller.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: September 14, 2004
    Assignee: ASML Netherlands B.V.
    Inventors: Frank Auer, Franciscus Andreas Cornelis Johannes Spanjers, Jan Holterman, Marinus Pieter Koster, Theodorus Jacobus Adrianus De Vries