Filling or draining of fluid systems

Industry

CPC
F15B21/005

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F15Hydraulics devices F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS F15B21/00Common features Fluid-pressure systems, or details thereof, not covered by any preceding group

Current Industry

F15B21/005Filling or draining of fluid systems

Industries

Patents Grantslast 30 patents

Information Patent Grant
Single axle roll control system with gerotor pump
- Patent number 12,358,335
- Issue date Jul 15, 2025
- Advanced Suspension Technology LLC
- Miguel Dhaens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual mode force control for surface engaging machinery
- Patent number 12,352,294
- Issue date Jul 8, 2025
- Parker-Hannifin Corporation
- Jacob S. Larson
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Single axle roll control system with multiple pressurizing devices...
- Patent number 12,344,065
- Issue date Jul 1, 2025
- Advanced Suspension Technology LLC
- Miguel Dhaens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Single axle roll control system that includes a dual chamber ball-s...
- Patent number 12,251,978
- Issue date Mar 18, 2025
- DRiV Automotive Inc.
- Miguel Dhaens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Gasket device and pneumatic valve system for a commercial vehicle
- Patent number 12,247,591
- Issue date Mar 11, 2025
- ZF CV Systems Europe BV
- Maciej Semeniuk
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Gasket device and pneumatic valve system for a commercial vehicle
- Patent number 12,215,720
- Issue date Feb 4, 2025
- ZF CV Systems Europe BV
- Maciej Semeniuk
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Method for filling a hydraulic circuit of an electro-hydrostatic sy...
- Patent number 12,209,602
- Issue date Jan 28, 2025
- SAFRAN LANDING SYSTEMS
- Jean-Charles Roger
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Soil processing machine and method for operating a soil processing...
- Patent number 11,971,099
- Issue date Apr 30, 2024
- Hamm AG
- Thomas Klein
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of removing hydraulic fluid from an aircraft hydraulic syste...
- Patent number 11,867,206
- Issue date Jan 9, 2024
- Airbus Operations Limited
- Ashley Bidmead
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve assembly for machine fluid operations
- Patent number 11,746,679
- Issue date Sep 5, 2023
- RPM Industries, LLC
- John K. Apostolides
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Work machine and control method
- Patent number 11,719,335
- Issue date Aug 8, 2023
- Komatsu Ltd.
- Akira Nakashima
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Compressed-air treatment system and method for operating a compress...
- Patent number 11,592,040
- Issue date Feb 28, 2023
- KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Ferenc Zeman
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Header suspension for pivoting header of combine harvester
- Patent number 11,497,164
- Issue date Nov 15, 2022
- CNH Industrial America LLC
- Jethro Martin
- G05 - CONTROLLING REGULATING
Information Patent Grant
Automatic water handling device of air compressor
- Patent number 11,466,708
- Issue date Oct 11, 2022
- Yan-Yuh Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Steam valve driving apparatus
- Patent number 11,428,246
- Issue date Aug 30, 2022
- Kabushiki Kaisha Toshiba
- Hidekazu Miyajima
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Damped float response on an agricultural harvester
- Patent number 11,224,164
- Issue date Jan 18, 2022
- Deere & Company
- Alex Brimeyer
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Method and apparatus for cleaning and/or replacing hydraulic oil in...
- Patent number 11,143,215
- Issue date Oct 12, 2021
- Voith Patent GmbH
- Hubert Schaber
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve assembly for machine fluid operations
- Patent number 11,118,489
- Issue date Sep 14, 2021
- RPM Industries, LLC
- John K. Apostolides
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Safety system for a pressure accumulator
- Patent number 11,112,062
- Issue date Sep 7, 2021
- Hydac Technology GmbH
- Thomas Kreutzer
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Digital proportional pressure controller
- Patent number 11,067,102
- Issue date Jul 20, 2021
- MAC Valves, Inc.
- Kevin C. Williams
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Self-cleaning mechanism for pneumatic central clutch release
- Patent number 10,907,664
- Issue date Feb 2, 2021
- KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Simon Winter
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydrostatic valve arrangement, hydrostatic gear having the valve ar...
- Patent number 10,808,838
- Issue date Oct 20, 2020
- Robert Bosch GmbH
- Markus Gepraegs
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic systems and methods for powering auxiliary circuits
- Patent number 10,774,850
- Issue date Sep 15, 2020
- Caterpillar Inc.
- Steven J. Juricak
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Varnish mitigation process
- Patent number 10,738,804
- Issue date Aug 11, 2020
- Reladyne, LLC
- Daniel M. Oehler
- B08 - CLEANING
Information Patent Grant
Compressed-air supply system, pneumatic system and method for opera...
- Patent number 10,717,336
- Issue date Jul 21, 2020
- WABCO GmbH
- Dieter Frank
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Reusable gas generator driven pressure supply system
- Patent number 10,655,653
- Issue date May 19, 2020
- Bastion Technologies, Inc.
- Nazareth Bedrossian
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Working machine
- Patent number 10,626,895
- Issue date Apr 21, 2020
- Kubota Corporation
- Kenichiro Tsuji
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydraulic equipment for excavators and operating machines in general
- Patent number 10,626,577
- Issue date Apr 21, 2020
- MECCANICA BREGANZESE S.P.A. IN BREVE MB S.P.A.
- Diego Azzolin
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Control system for flushing contaminated hydraulic fluid
- Patent number 10,626,896
- Issue date Apr 21, 2020
- CNH Industrial America LLC
- Michael W. Freisleben
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic leveling device of washing machine and filling method the...
- Patent number 10,626,541
- Issue date Apr 21, 2020
- Qingdao Haier Washing Machine Co., Ltd.
- Zhiqiang Zhao
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC DEVICE WITH CASE DRAIN SYSTEM
- Publication number 20250188964
- Publication date Jun 12, 2025
- Tonand Inc.
- Antonio Cannata
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
HYDRAULIC SYSTEM FOR AN AIRCRAFT, HYDRAULIC ARRANGEMENT, AIRCRAFT,...
- Publication number 20250171163
- Publication date May 29, 2025
- AIRBUS OPERATIONS GMBH
- Julian KLOSE
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
SYSTEM FOR RETURNING FLUID FROM HYDRAULIC DEVICES OF WORK MACHINES
- Publication number 20250059731
- Publication date Feb 20, 2025
- Caterpillar Inc.
- Craig Nicholas Cotterman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Dual Mode Force Control for Surface Engaging Machinery
- Publication number 20240392810
- Publication date Nov 28, 2024
- Parker-Hannifin Corporation
- Jacob S. Larson
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
SINGLE AXLE HEAVE CONTROL SYSTEM
- Publication number 20240383301
- Publication date Nov 21, 2024
- DRiV Automotive Inc.
- Miguel DHAENS
- B60 - VEHICLES IN GENERAL
Information Patent Application
SINGLE AXLE ROLL CONTROL SYSTEM WITH MULTIPLE PRESSURIZING DEVICES...
- Publication number 20240383302
- Publication date Nov 21, 2024
- DRiV Automotive Inc.
- Miguel DHAENS
- B60 - VEHICLES IN GENERAL
Information Patent Application
SINGLE AXLE ROLL CONTROL SYSTEM THAT INCLUDES A DUAL CHAMBER BALL-S...
- Publication number 20240383306
- Publication date Nov 21, 2024
- DRiV Automotive Inc.
- Miguel DHAENS
- B60 - VEHICLES IN GENERAL
Information Patent Application
BRAKE SIGNAL TRANSMITTER, BRAKING SYSTEM, AND VEHICLE
- Publication number 20240367632
- Publication date Nov 7, 2024
- ZF CV Systems Global GmbH
- Krzysztof Adamski
- B60 - VEHICLES IN GENERAL
Information Patent Application
HYDRAULIC SYSTEM, MINING VEHICLE AND METHOD
- Publication number 20240352954
- Publication date Oct 24, 2024
- SANDVIK MINING AND CONSTRUCTION OY
- Pertti PARKKINEN
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
METHOD OF OPERATING A HYDRAULIC SYSTEM FROM AN OFF-STATE IN A COLD...
- Publication number 20240255011
- Publication date Aug 1, 2024
- Siemens Gamesa Renewable Energy A/S
- Jonathan Sheider
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
CONTROLLING RATE OF ROTOR FEATHER BY SYSTEM SECONDARY TO PRIMARY BL...
- Publication number 20240217649
- Publication date Jul 4, 2024
- PRATT & WHITNEY CANADA CORP.
- Jagoda KRZYWON
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
OIL DRAIN VALVE, ENERGY ACCUMULATION DEVICE, HYDRAULIC SYSTEM AND W...
- Publication number 20240209874
- Publication date Jun 27, 2024
- SANY AUTOMOBILE MANUFACTURING CO. LTD
- Bin LUO
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
SYSTEM, METHOD, APPARATUS, DEVICE AND KIT FOR CONTAINING OIL DURING...
- Publication number 20240125339
- Publication date Apr 18, 2024
- Ralph C. Buehring
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
VALVE ASSEMBLY FOR MACHINE FLUID OPERATIONS
- Publication number 20230374922
- Publication date Nov 23, 2023
- RPM Industries, LLC
- John K. Apostolides
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD FOR FILLING A HYDRAULIC CIRCUIT OF AN ELECTRO-HYDROSTATIC SY...
- Publication number 20230296118
- Publication date Sep 21, 2023
- SAFRAN LANDING SYSTEMS
- Jean-Charles ROGER
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
DEVICE FOR CONTROLLING THE EXHAUST OF A VEHICLE PNEUMATIC SYSTEM
- Publication number 20230139542
- Publication date May 4, 2023
- Jose D. Ortega
- B60 - VEHICLES IN GENERAL
Information Patent Application
A METHOD OF REMOVING HYDRAULIC FLUID FROM AN AIRCRAFT HYDRAULIC SYS...
- Publication number 20230126930
- Publication date Apr 27, 2023
- AIRBUS OPERATIONS LIMITED
- Ashley BIDMEAD
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Compressed-Air Treatment System and Method for Operating a Compress...
- Publication number 20210404490
- Publication date Dec 30, 2021
- Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
- Ferenc ZEMAN
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
VALVE ASSEMBLY FOR MACHINE FLUID OPERATIONS
- Publication number 20210381406
- Publication date Dec 9, 2021
- RPM Industries, LLC
- John K. Apostolides
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
AUTOMATIC WATER HANDLING DEVICE OF AIR COMPRESSOR
- Publication number 20210332837
- Publication date Oct 28, 2021
- YAN-YUH CHEN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DRAIN FOR HYDRAULIC SYSTEM
- Publication number 20210301842
- Publication date Sep 30, 2021
- Deere & Company
- Andrew J. Kindle
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC AXIAL PISTON UNIT AND METHOD FOR CONTROLLING OF A HYDRAUL...
- Publication number 20210164501
- Publication date Jun 3, 2021
- Danfoss Power Solutions Inc.
- Jaromir Tvaruzek
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
LOAD-ADJUSTING QUICK OIL CYLINDER AND HYDRAULIC LIFTING DEVICE
- Publication number 20200400166
- Publication date Dec 24, 2020
- Forcome (Shanghai) Co., Ltd
- Weihua CHEN
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
STEAM VALVE DRIVING APPARATUS
- Publication number 20200256479
- Publication date Aug 13, 2020
- KABUSHIKI KAISHA TOSHIBA
- Hidekazu MIYAJIMA
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
SAFETY SYSTEM FOR A PRESSURE ACCUMULATOR
- Publication number 20200149683
- Publication date May 14, 2020
- Thomas KREUTZER
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
VALVE ASSEMBLY FOR MACHINE FLUID OPERATIONS
- Publication number 20200123940
- Publication date Apr 23, 2020
- RPM Industries, LLC
- John K. Apostolides
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Valve System For Flushing Contaminated Hydraulic Fluid
- Publication number 20200049173
- Publication date Feb 13, 2020
- CNH INDUSTRIAL AMERICA LLC
- Michael W. Freisleben
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Control System For Flushing Contaminated Hydraulic Fluid
- Publication number 20200049172
- Publication date Feb 13, 2020
- CNH INDUSTRIAL AMERICA LLC
- Michael W. Freisleben
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
TRANSMISSION FLUID REPLACEMENT
- Publication number 20190359474
- Publication date Nov 28, 2019
- Mahle Aftermarket Italy S.p.A.
- Andrea Cantadori
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Application
HYDRAULIC SYSTEMS AND METHODS FOR POWERING AUXILIARY CIRCUITS
- Publication number 20190323525
- Publication date Oct 24, 2019
- Caterpillar Inc.
- Steven J. Juricak
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Filling or draining of fluid systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Single axle roll control system with gerotor pump

Dual mode force control for surface engaging machinery

Single axle roll control system with multiple pressurizing devices...

Single axle roll control system that includes a dual chamber ball-s...

Gasket device and pneumatic valve system for a commercial vehicle

Gasket device and pneumatic valve system for a commercial vehicle

Method for filling a hydraulic circuit of an electro-hydrostatic sy...

Soil processing machine and method for operating a soil processing...

Method of removing hydraulic fluid from an aircraft hydraulic syste...

Valve assembly for machine fluid operations

Work machine and control method

Compressed-air treatment system and method for operating a compress...

Header suspension for pivoting header of combine harvester

Automatic water handling device of air compressor

Steam valve driving apparatus

Damped float response on an agricultural harvester

Method and apparatus for cleaning and/or replacing hydraulic oil in...

Valve assembly for machine fluid operations

Safety system for a pressure accumulator

Digital proportional pressure controller

Self-cleaning mechanism for pneumatic central clutch release

Hydrostatic valve arrangement, hydrostatic gear having the valve ar...

Hydraulic systems and methods for powering auxiliary circuits

Varnish mitigation process

Compressed-air supply system, pneumatic system and method for opera...

Reusable gas generator driven pressure supply system

Working machine

Hydraulic equipment for excavators and operating machines in general

Control system for flushing contaminated hydraulic fluid

Hydraulic leveling device of washing machine and filling method the...

Patents Applicationslast 30 patents

HYDRAULIC DEVICE WITH CASE DRAIN SYSTEM

HYDRAULIC SYSTEM FOR AN AIRCRAFT, HYDRAULIC ARRANGEMENT, AIRCRAFT,...

SYSTEM FOR RETURNING FLUID FROM HYDRAULIC DEVICES OF WORK MACHINES

Dual Mode Force Control for Surface Engaging Machinery

SINGLE AXLE HEAVE CONTROL SYSTEM

SINGLE AXLE ROLL CONTROL SYSTEM WITH MULTIPLE PRESSURIZING DEVICES...

SINGLE AXLE ROLL CONTROL SYSTEM THAT INCLUDES A DUAL CHAMBER BALL-S...

BRAKE SIGNAL TRANSMITTER, BRAKING SYSTEM, AND VEHICLE

HYDRAULIC SYSTEM, MINING VEHICLE AND METHOD

METHOD OF OPERATING A HYDRAULIC SYSTEM FROM AN OFF-STATE IN A COLD...

CONTROLLING RATE OF ROTOR FEATHER BY SYSTEM SECONDARY TO PRIMARY BL...

OIL DRAIN VALVE, ENERGY ACCUMULATION DEVICE, HYDRAULIC SYSTEM AND W...

SYSTEM, METHOD, APPARATUS, DEVICE AND KIT FOR CONTAINING OIL DURING...

VALVE ASSEMBLY FOR MACHINE FLUID OPERATIONS

METHOD FOR FILLING A HYDRAULIC CIRCUIT OF AN ELECTRO-HYDROSTATIC SY...

DEVICE FOR CONTROLLING THE EXHAUST OF A VEHICLE PNEUMATIC SYSTEM

A METHOD OF REMOVING HYDRAULIC FLUID FROM AN AIRCRAFT HYDRAULIC SYS...

Compressed-Air Treatment System and Method for Operating a Compress...

VALVE ASSEMBLY FOR MACHINE FLUID OPERATIONS

AUTOMATIC WATER HANDLING DEVICE OF AIR COMPRESSOR

DRAIN FOR HYDRAULIC SYSTEM

HYDRAULIC AXIAL PISTON UNIT AND METHOD FOR CONTROLLING OF A HYDRAUL...

LOAD-ADJUSTING QUICK OIL CYLINDER AND HYDRAULIC LIFTING DEVICE

STEAM VALVE DRIVING APPARATUS

SAFETY SYSTEM FOR A PRESSURE ACCUMULATOR

VALVE ASSEMBLY FOR MACHINE FLUID OPERATIONS

Valve System For Flushing Contaminated Hydraulic Fluid

Control System For Flushing Contaminated Hydraulic Fluid

TRANSMISSION FLUID REPLACEMENT

HYDRAULIC SYSTEMS AND METHODS FOR POWERING AUXILIARY CIRCUITS