ClassID:

71397

B63H1/15 - CPC Classification

Classification description:

Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction; Propellers having vibration damping means

Recent Application in this class:
#1
20240150008
2024-05-09

RESILIENT AND SCALABLE MICROTEXTURED COATINGS FOR QUIET AND EFFICIENT URBAN AIR MOBILITY

#2
20230109555
2023-04-06

Marine propulsion device, propeller unit, and method

#3
20220402587
2022-12-22

Propeller for vessel propulsion apparatus and vessel propulsion apparatus

#4
20190300137
2019-10-03

Method and a control arrangement for controlling vibrations of a propulsion unit of a vessel

#5
20190263492
2019-08-29

Control of propeller shaft movement

#6
20180162505
2018-06-14

Screw propeller with safety coupling

#7
20180127074
2018-05-10

Diffuser-type endplate propeller

#8
20170066516
2017-03-09

Shock absorber for propeller unit, propeller unit, and vessel propulsion apparatus

#9
20150336647
2015-11-26

Propeller for vessel propulsion apparatus and vessel propulsion apparatus including the same

#10
20150010388
2015-01-08

DAMPER FOR DAMPING PRESSURE WAVES

#11
20140205455
2014-07-24

Shock absorber for propeller unit, propeller unit, and vessel propulsion apparatus

#12
20140023503
2014-01-23

Damper unit for vessel propulsion apparatus, propeller for vessel propulsion apparatus, and vessel propulsion apparatus

#13
20130071251
2013-03-21

VIBRATION DAMPING BLADE FOR FLUID

#14
20110212657
2011-09-01

Propeller unit for marine vessel propulsion device and marine vessel propulsion device including the same

#15
20100055999
2010-03-04

Vibration damper for an electric trolling motor

#16
20080096446
2008-04-24

Propeller for boat

#17
20050084374
2005-04-21

Shock-absorbing propeller assembly

#18
18209229
2026-01-13

Propulsor assemblies having wear resistant snubber

#19
18123717
2025-08-05

Marine propellers with compression spring sleeve assemblies

#20
17898038
2024-06-04

Pendulum mass damper hub propeller assembly for marine drives

#21
17745517
2023-02-21

Systems and methods for absorbing shock with counter-rotating propeller shafts in a marine propulsion device

#22
16723228
2022-06-21

Systems and methods for absorbing shock with counter-rotating propeller shafts in a marine propulsion device