F05B2200/20 - CPC Classification Index

ClassID:

144462 ⎘

F05B2200/20 - CPC Classification

Classification description:

Mathematical features Special functions

Sub-classes:

F05B2200/21 » Root 0
F05B2200/22 » Power 3
F05B2200/23 » Logarithm 7
F05B2200/24 » exponential 0
F05B2200/25 » Hyperbolic trigonemetric, e.g. sinh, cosh, tanh 0
F05B2200/26 » trigonometric 1

Recent Application in this class:

20200032768

Noise-reduction device for wind turbine and the wind turbine applied thereof

20190055923

Damping of a wind turbine tower oscillation

20170218923

Wind turbine power generating apparatus and method of operating the same

20100278647

Fluid turbine