Invented by G.P. Corten and Claimed in Patents:

 

1997:

Stall Flag an optical detector to visualise stall on full scale objects in the field such as wind turbines. (US6065334)

1999:

Corotorq: COnstant ROtation speed TORQue based anemometer (PCT/NL00/00819)

2000:

Blade Root Strip: 1 An adaptation improving performance of the blade root of wind turbine blades (US2004013512).

2002:

Controlling Wind: 1 Method to improve energy capture by wind farms by generating large scale atmospheric circulations above farms (US2006131889).

2003:

Heat and Flux: 1,2 Method to improve energy capture by wind farms and to reduce axial turbine loads (US2006232073).

2006:

Vortex Blades: Blade design with 2-12% less loads. (patents pending)

1

The applicant of those patents is Energy Centre of the Netherlands (ECN). ECN both exploits those patents and carries out further research regarding the patented matter.

2    

The part ‘’Flux 1’’ of the invention Heat and Flux was discovered for 66% by former colleague ir. P. Schaak.