B63H2001/122 - CPC Classification Index

ClassID:

71392 ⎘

B63H2001/122 - CPC Classification

Classification description:

Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction Single or multiple threaded helicoidal screws, or the like, comprising foils extending over a substantial angle; Archimedean screws

Sub-classes:

B63H2001/125 » {with helicoidal foils projecting from outside surfaces of floating rotatable bodies, e.g. rotatable, cylindrical bodies} 7
B63H2001/127 » {with helicoidal foils projecting from inside surfaces of rotating shrouds; Archimedean screws} 3

Recent Application in this class:

20260084793

2026-03-26

MINIATURE MAGNETIC ROBOT SWIMMER GEOMETRIES

20250314255

2025-10-09

FLUID PUMP WITH A ROTOR

20250116196

2025-04-10

FLUID PROPULSION SYSTEM

20240141913

2024-05-02

Fluid pump with a rotor

20230053621

2023-02-23

Fluid propulsion system

20220041256

2022-02-10

Apparatus and method for collecting marine debris

20210031895

2021-02-04

Planing boat

20200340490

2020-10-29

Fluid pump with a rotor

20200017181

2020-01-16

APPARATUS FOR PROPELLING FLUID, ESPECIALLY FOR PROPULSION OF A FLOATING VEHICLE

#10

20180291918

2018-10-11

Fluid pump with a rotor

#11

20180290510

2018-10-11

Amphibious marsh craft

#12

20170356454

2017-12-14

Fluid pump with a rotor

#13

20170022970

2017-01-26

Vortex propeller

#14

20160106897

2016-04-21

Fluid pump with a rotor

#15

20160082798

2016-03-24

Amphibious marsh craft

#16

20140271196

2014-09-18

Apparatus for propelling fluid, especially for propulsion of a floating vehicle

#17

20120145066

2012-06-14

Subsurface Vortex Assisted Distributed Propulsion Active Hull

#18

20110275884

2011-11-10

Fluid pump with a rotor

#19

20110081244

2011-04-07

Spiral design

#20

20050075015

2005-04-07

Water vehicle propeller

#21

15821514

2018-03-27

Hydro system screw pump and formula