ClassID:

71629

B63H21/34 - CPC Classification

Classification description:

Use of propulsion power plant or units on vessels; Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels having exhaust-gas deflecting means

Recent Application in this class:
#1
20250360999
2025-11-27

EXHAUST HANDLING SYSTEMS FOR MARINE VESSELS AND RELATED METHODS

#2
20250257679
2025-08-14

EXHAUST CAPTURE DEVICES AND METHODS

#3
20240286726
2024-08-29

EXHAUST HANDLING SYSTEMS FOR MARINE VESSELS AND RELATED METHODS

#4
20230417166
2023-12-28

Exhaust capture devices and methods

#5
20220371716
2022-11-24

Exhaust pipe coupling

#6
20220001969
2022-01-06

Ship comprising a system for reducing the vibrations originating from the casing and method for building said ship

#7
20190217936
2019-07-18

Exhaust spray inhibitor

#8
20180340458
2018-11-29

Exhaust gas purification device for ship

#9
20180045076
2018-02-15

Exhaust system with directed energy beam interference avoidance system

#10
20160129982
2016-05-12

Boat drive

#11
20150300237
2015-10-22

WATER CRAFT JET PUMP HEAT EXCHANGER

#12
20140090379
2014-04-03

Exhaust gas diverter and collection system for ocean going vessels

#13
20140023503
2014-01-23

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

#14
20130291780
2013-11-07

Sealed derrick structure for polar vessels

#15
20130178121
2013-07-11

Exhaust structure of outboard motor

#16
20120214368
2012-08-23

Through-hull support for steering and propelling a boat and boat equipped with such a support

#17
20090233501
2009-09-17

Exhaust system for small watercraft

#18
20060205294
2006-09-14

Muffler support structure for a small boat

#19
20050279269
2005-12-22

Powered watercraft

#20
20050215133
2005-09-29

Reduced pressure mixing device for marine vessel exhaust gas

#21
20050176111
2005-08-11

Directable exhaust for water sport tow boat

#22
18369485
2024-07-23

Exhaust handling systems for marine vessels and related methods

#23
18154925
2023-10-03

Location-based control of exhaust system for marine engines

#24
17847983
2023-04-25

Exhaust capture devices and methods

#25
16528135
2023-02-14

Location-based control of exhaust system for marine engines

#26
14549033
2015-05-26

Open core continuous helical fin marine drive system