B63B2745/00 - CPC Classification Index

ClassID:

71132 ⎘

B63B2745/00 - CPC Classification

Classification description:

Sub-classes:

B63B2745/02 » Contra-propellers and other water guiding installations in front of or behind the rotating propeller 0
B63B2745/04 » Propulsive devices, e.g. rotating cylinders, paddle wheels; Rudders or stabilising surfaces using Magnus effect 3

Recent Application in this class:

20170088244

Peripheral tunnels propeller with alternative balance

20170073055

CENTRIFUGAL PROPULSION APPARATUS AND SHIP HAVING SAME

20170029071

Submerged planing surface that provides hydrodynamic lift in a liquid at high speed