F05B2250/281 - CPC Classification Index

ClassID:

144728 ⎘

F05B2250/281 - CPC Classification

Classification description:

Geometry three-dimensional patterned threaded

Recent Application in this class:

20100034656

FLUID ENERGY CONVERTER

20090196750

Fluid rotor

20070207033

Methods and devices for improving efficiency of wind turbines in low speed sites

20070205603

Methods and devices for improving efficiency of wind turbines in low wind speed sites

20070041823

Fluid energy converter