Patents by Inventor Jan W. Bakhuis

Jan W. Bakhuis 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).

  • Method of manufacturing a retrofit sleeve for wind turbine blade
    Patent number: 8182731
    Abstract: A method of manufacturing a retrofit sleeve for a wind turbine blade, includes positioning at least a portion of a blade-shaped form in a mold; and applying a curable material to the space between the form and mold.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: May 22, 2012
    Assignee: General Electric Company
    Inventors: Jan W. Bakhuis, Klaus U. Koegler, Bart J. Veldkamp
  • Wind turbine spars with jointed shear webs
    Patent number: 8075275
    Abstract: A spar for a wind turbine blade includes at least one shear web extending between pressure and suction sides of the blade; and a joint, arranged substantially midway between ends of the shear web, for sizing the shear web. The joint may include a resilient and/or expandable spacer.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: December 13, 2011
    Assignee: General Electric Company
    Inventors: Nicholas K. Althoff, Eric M. Jacobsen, Jan W. Bakhuis
  • Retrofit sleeve for wind turbine blade
    Patent number: 7988421
    Abstract: A wind turbine blade includes a body having a first surface characteristic; and a sleeve, arranged on the body, having a second surface characteristic which is different from the first surface characteristic.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: August 2, 2011
    Assignee: General Electric Company
    Inventors: Jan W. Bakhuis, Klaus U. Koegler, Bart J. Veldkamp
  • RETROFIT SLEEVE FOR WIND TURBINE BLADE
    Publication number: 20110162787
    Abstract: A method of manufacturing a retrofit sleeve for a wind turbine blade, includes positioning at least a portion of a blade-shaped form in a mold; and applying a curable material to the space between the form and mold.
    Type: Application
    Filed: March 18, 2011
    Publication date: July 7, 2011
    Inventors: Jan W. Bakhuis, Klaus U. Koegler, Bart J. Veldkamp
  • RETROFIT SLEEVE FOR WIND TURBINE BLADE
    Publication number: 20100135814
    Abstract: A wind turbine blade includes a body having a first surface characteristic; and a sleeve, arranged on the body, having a second surface characteristic which is different from the first surface characteristic.
    Type: Application
    Filed: March 31, 2009
    Publication date: June 3, 2010
    Inventors: Jan W. Bakhuis, Klaus U. Koegler, Bart J. Veldkamp
  • WIND TURBINE SPARS WITH JOINTED SHEAR WEBS
    Publication number: 20090087318
    Abstract: A spar for a wind turbine blade includes at least one shear web extending between pressure and suction sides of the blade; and a joint, arranged substantially midway between ends of the shear web, for sizing the shear web. The joint may include a resilient and/or expandable spacer.
    Type: Application
    Filed: September 27, 2007
    Publication date: April 2, 2009
    Inventors: Nicholas K. Althoff, Eric M. Jacobson, Jan W. Bakhuis