ClassID:

72631

B64D37/20 - CPC Classification

Classification description:

Arrangements in connection with fuel supply for power plant; Tanks; Filling or emptying Emptying systems

Sub-classes:
Recent Application in this class:
#1
20260084835
2026-03-26

MOBILE HYDROGEN FUELING SYSTEM FOR AIRCRAFT

#2
20250391255
2025-12-25

HYDROGEN FLAME DETECTION

#3
20250353607
2025-11-20

DEVICE FOR CLEANING FUEL AND USE THEREOF

#4
20250269975
2025-08-28

FUSELAGE FOR AN AIRCRAFT OR SPACECRAFT, AND AIRCRAFT OR SPACECRAFT

#5
20250058889
2025-02-20

Configuration for a LH2 Fuel Cell Aircraft with Distributed Systems

#6
20240359810
2024-10-31

AIRCRAFT HAVING A DIHYDROGEN TRANSPORT PIPE AND A SYSTEM FOR EXTRACTING SAID DIHYDROGEN TO THE OUTSIDE

#7
20240336369
2024-10-10

ONBOARD LIQUID HYDROGEN STORAGE OF HYDROGEN AIRCRAFT

#8
20240327025
2024-10-03

HYDROGEN SUPPLY UNIT FOR AN AIRCRAFT, METHOD OF SUPPLYING LIQUID HYDROGEN IN AN AIRCRAFT, AND AIRCRAFT

#9
20240025556
2024-01-25

METHODS AND SYSTEMS FOR VENTING A FUEL TANK ON A BLENDED WING BODY AIRCRAFT

#10
20230107610
2023-04-06

Onboard liquid hydrogen storage for a hydrogen aircraft

#11
20220307421
2022-09-29

Removing safety markers from a hydrogen fuel system

#12
20210245891
2021-08-12

On-board tank for the drainage of an aircraft engine

#13
20210039803
2021-02-11

Fuel drain engagement tool

#14
20200393059
2020-12-17

Tool and method for actuating a valve and method for making the tool

#15
20180339787
2018-11-29

DRAINAGE SYSTEM

#16
20180327105
2018-11-15

Fuel system for an aircraft

#17
20180117873
2018-05-03

Isogrid stiffening elements

#18
20170152056
2017-06-01

Aircraft fuel system

#19
20170129620
2017-05-11

AIRCRAFT FUEL SYSTEM

#20
20160272338
2016-09-22

Twin-engined rotorcraft having a fuel supply installation for a power plant auxiliary power unit (APU)

#21
20160169112
2016-06-16

Fuel supply apparatus for aircraft engine

#22
20150354710
2015-12-10

Fuel tank valve assembly

#23
20150260328
2015-09-17

Sheath for protecting against fire

#24
20150246732
2015-09-03

Fuel tank, fuel pipe, and aircraft

#25
20150107682
2015-04-23

Methods, systems and apparatus for aircraft auxiliary fuel tanks

#26
20140314595
2014-10-23

Reservoir vent and thermal stabilization orifice

#27
20140299713
2014-10-09

Vent member, wing panel, and main wing for aircraft

#28
20140137979
2014-05-22

Fuel storage device, an aircraft, and a method

#29
20130320146
2013-12-05

Tank, a fuel storage system, and an aircraft

#30
20110272526
2011-11-10

Systems and methods to provide compliance with structural load requirements for aircraft with additional fuel tankage

#31
20110180663
2011-07-28

Method and a device for draining a tank, and a tank and an aircraft fitted with such a device

#32
20110147530
2011-06-23

AUXILIARY FUEL TANK SYSTEM

#33
20110115214
2011-05-19

Connector for an aircraft fuel pipe

#34
20080173762
2008-07-24

Aircraft refuelling system

#35
20050081949
2005-04-21

Aircraft defueling apparatus and method

#36
20050045769
2005-03-03

Drain valve and method of mounting

#37
20050000595
2005-01-06

Fuel container