Machines or pumps with differential surface pistons

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Patents Grantslast 30 patents

Information Patent Grant
Pump device
- Patent number 12,247,556
- Issue date Mar 11, 2025
- Hydac Fluidtechnik GmbH
- Christian Groh
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Well servicing pump system with driveline assembly for hydraulic fr...
- Patent number 12,247,626
- Issue date Mar 11, 2025
- Halliburton Energy Services, Inc.
- Timothy Holiman Hunter
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealing assembly with repositionable seal
- Patent number 12,247,561
- Issue date Mar 11, 2025
- GD ENERGY PRODUCTS, LLC
- Adam Bradley Avey
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Pump noise attenuator and method thereof
- Patent number 12,247,562
- Issue date Mar 11, 2025
- LEGGETT & PLATT CANADA CO.
- Horia Blendea
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Flexible manifold for reciprocating pump
- Patent number 12,247,563
- Issue date Mar 11, 2025
- Halliburton Energy Services, Inc.
- Joseph A. Beisel
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fracturing apparatus
- Patent number 12,247,472
- Issue date Mar 11, 2025
- Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Shanwu Fu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gas supply pump for ship dual fuel engine
- Patent number 12,247,564
- Issue date Mar 11, 2025
- Hyundai Heavy Industries Co., Ltd.
- Sang Don Lee
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Motor vehicle cooling system with an electric coolant pump
- Patent number 12,240,313
- Issue date Mar 4, 2025
- NIDEC GPM GmbH
- Luis Herrling
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Compressor and compressor system
- Patent number 12,241,665
- Issue date Mar 4, 2025
- Mayekawa Mfg. Co., Ltd.
- Takashige Inaba
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Automatically determining flow type histories for frack pumps and m...
- Patent number 12,241,354
- Issue date Mar 4, 2025
- Halliburton Energy Services, Inc.
- Stanley Vernon Stephenson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Assembly and electric compressor with modular stator assembly
- Patent number 12,241,467
- Issue date Mar 4, 2025
- Mahle International GmbH
- Tyler Smith
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Linear compressor
- Patent number 12,241,460
- Issue date Mar 4, 2025
- LG Electronics Inc.
- Wooju Jeon
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Bypass and demand pump and valve system for bypass and demand pump
- Patent number 12,241,462
- Issue date Mar 4, 2025
- Delavan Ag Pumps, Inc.
- Logan Cipala
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Sealing assembly for a pump with a leak path
- Patent number 12,241,470
- Issue date Mar 4, 2025
- Cooper-Standard Automotive Inc.
- David S. Malone
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Kitchen appliance apparatus
- Patent number 12,239,945
- Issue date Mar 4, 2025
- Airtender Works B.V.
- Dalibor Borjanin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multi-purpose pump
- Patent number 12,233,298
- Issue date Feb 25, 2025
- Paul C. Ballard
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Valve for minimum waste concreting pump
- Patent number 12,234,917
- Issue date Feb 25, 2025
- Alberto Kurylo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Axial piston machine having a seal ring which is spherical in sections
- Patent number 12,234,818
- Issue date Feb 25, 2025
- MOOG GmbH
- Dirk Becher
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fluid end
- Patent number 12,234,819
- Issue date Feb 25, 2025
- Kerr Machine Co.
- Mark S. Nowell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow cross junctions for a manifold of a hydraulic fracturing syste...
- Patent number 12,228,024
- Issue date Feb 18, 2025
- Scout Surface Solutions LLC
- Michael James Cornelssen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bent axis plunger-type variable hydraulic motor pump
- Patent number 12,228,116
- Issue date Feb 18, 2025
- BEIJING JODIN TECHNOLOGY CO. LTD
- Yanyang Liu
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fluidic methods and devices
- Patent number 12,228,118
- Issue date Feb 18, 2025
- Obotics Inc.
- Bruce Murison
- A41 - WEARING APPAREL
Information Patent Grant
Transport device having an actuator and separating layer
- Patent number 12,228,121
- Issue date Feb 18, 2025
- HNP MIKROSYSTEME GMBH
- Tim Polley
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Lubrication and flushing of a fluid seal used with reactive materials
- Patent number 12,228,125
- Issue date Feb 18, 2025
- Graco Minnesota Inc.
- Matthew R. Smith
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Pump fluid end with suction valve closure assist
- Patent number 12,228,127
- Issue date Feb 18, 2025
- Halliburton Energy Services, Inc.
- Justin Lee Hurst
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Pump control system and method
- Patent number 12,228,117
- Issue date Feb 18, 2025
- Graco Minnesota Inc.
- Mark D. Shultz
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Liquid supply device, microdevice system, and liquid supply method
- Patent number 12,228,126
- Issue date Feb 18, 2025
- Hamamatsu Photonics K.K.
- Yuji Kimura
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Tube pump
- Patent number 12,221,956
- Issue date Feb 11, 2025
- SURPASS INDUSTRY CO., LTD.
- Hiroshi Imai
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fracturing pump arrangement using a plunger with an internal fluid...
- Patent number 12,221,957
- Issue date Feb 11, 2025
- Kerr Machine Co.
- Mark S. Nowell
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Modular power end
- Patent number 12,221,958
- Issue date Feb 11, 2025
- Kerr Machine Co.
- Kelcy Jake Foster
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
HANDHELD CLEANING MACHINE
- Publication number 20250073759
- Publication date Mar 6, 2025
- ZHEJIANG QIANJI INTELLIGENT TECHNOLOGY CO., LTD.
- Keke FU
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
FLUID END ASSEMBLY
- Publication number 20250075697
- Publication date Mar 6, 2025
- KERR MACHINE CO.
- Kelcy Jake Foster
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
VIBRATION STABILIZER ASSEMBLY FOR A COMPRESSOR IN A TRANSPORT REFRI...
- Publication number 20250075693
- Publication date Mar 6, 2025
- Carrier Corporation
- Samuel Venne
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
VIRTUAL VALVE IN A MEMS-BASED COOLING SYSTEM
- Publication number 20250075825
- Publication date Mar 6, 2025
- Frore Systems Inc.
- Vikram Mukundan
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
FLUID END ASSEMBLY
- Publication number 20250075695
- Publication date Mar 6, 2025
- KERR MACHINE CO.
- Christopher Todd Barnett
- E21 - EARTH DRILLING MINING
Information Patent Application
COMPRESSOR FIXING DEVICE
- Publication number 20250075696
- Publication date Mar 6, 2025
- Samsung Electronics Co., Ltd.
- Sung HAN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
VALVE CARTRIDGE FOR A FLUID PUMP
- Publication number 20250075694
- Publication date Mar 6, 2025
- SPM OIL & GAS INC.
- Daryl James BELSHAN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
CONFIGURABLE BASE PLATE SYSTEM FOR INDUSTRIAL PUMPS
- Publication number 20250075844
- Publication date Mar 6, 2025
- Cornell Pump Company LLC
- Brandon Yoder
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
FRACTURING APPARATUS AND CONTROL METHOD THEREOF, FRACTURING SYSTEM
- Publication number 20250075604
- Publication date Mar 6, 2025
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Jifeng ZHONG
- E21 - EARTH DRILLING MINING
Information Patent Application
Distribution Manifold
- Publication number 20250066143
- Publication date Feb 27, 2025
- Weir Minerals Netherlands B.V.
- Johannes Stroeken
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
INTEGRATED ELECTRO-HYDRAULIC UNIT HAVING AN INTERNAL POSITION SENSOR
- Publication number 20250067256
- Publication date Feb 27, 2025
- ROBERT BOSCH GmbH
- Enrique Busquets
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
AEROSOL-GENERATING SYSTEM WITH PUMP
- Publication number 20250065060
- Publication date Feb 27, 2025
- Altria Client Services LLC
- Shaun PHILLIPS
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PUMP FOR A BIOPROCESSING SYSTEM
- Publication number 20250067258
- Publication date Feb 27, 2025
- CYTIVA SWEDEN AB
- Andreas Lundin
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PUMP CARTRIDGE AND CONSOLE
- Publication number 20250067260
- Publication date Feb 27, 2025
- PROCEPT BioRobotics Corporation
- Kevin STAID
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MOTOR-PUMP UNIT FOR USE IN A MOTOR VEHICLE
- Publication number 20250059968
- Publication date Feb 20, 2025
- Dr. Ing h.c. F. Porsche Aktieengessllschaft
- Josef Paleczek
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
FRACTURING APPARATUS AND FRACTURING SYSTEM
- Publication number 20250059870
- Publication date Feb 20, 2025
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Peng ZHANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PRESSURE ACTUATED DIAPHRAGM PUMP
- Publication number 20250059966
- Publication date Feb 20, 2025
- Maruyama Mfg. Co., Inc.
- Yushi MARUYAMA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INFUSION PUMP SYSTEM WITH DISPOSABLE CARTRIDGE HAVING PRESSURE VENT...
- Publication number 20250050017
- Publication date Feb 13, 2025
- TANDEM DIABETES CARE, INC.
- Paul M. DiPerna
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Refrigerant Compressor Unit
- Publication number 20250052455
- Publication date Feb 13, 2025
- Bitzer Kuehlmaschinenbau GmbH
- Axel Friedrich
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
MOBILE PUMP SYSTEM FOR MULTIPURPOSE WATER DELIVERY
- Publication number 20250052234
- Publication date Feb 13, 2025
- Pump USA, LLC
- John Bradly Chavez
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
AUTOMATIC OIL RETURN STRUCTURE
- Publication number 20250043780
- Publication date Feb 6, 2025
- KUDOS MECHANICAL CO., LTD.
- JAMES CHUAN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DISPOSABLE PUMP CARTRIDGE
- Publication number 20250035109
- Publication date Jan 30, 2025
- Johnson & Johnson Surgical Vision, Inc.
- Yehuda Algawi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
FLUID COUPLING ASSEMBLIES FOR A MANIFOLD OF A HYDRAULIC FRACTURING...
- Publication number 20250034976
- Publication date Jan 30, 2025
- Scout Surface Solutions LLC
- Michael James Cornelssen
- E21 - EARTH DRILLING MINING
Information Patent Application
NEGATIVE PRESSURE WOUND THERAPY APPARATUS
- Publication number 20250035102
- Publication date Jan 30, 2025
- Smith & Nephew PLC
- Ben Alan Askem
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
LUBRICATOR ASSEMBLY WITH FLANGE OR FLOW BLOCK MOUNTED CATCHER
- Publication number 20250035108
- Publication date Jan 30, 2025
- TIER 1 ENERGY SOLUTIONS, INC.
- Clinton Buttnor
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PNEUMATIC AUTOMATIC REVERSING TRANSFER PUMP
- Publication number 20250035095
- Publication date Jan 30, 2025
- Xiangzhi Li
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Crosshead Box and Plunger Pump
- Publication number 20250035107
- Publication date Jan 30, 2025
- YANTAI JEREH OILFIELD SERVICES GROUP CO., LTD.
- Junlei YAO
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
LIQUID DELIVERY PUMP
- Publication number 20250035096
- Publication date Jan 30, 2025
- HITACHI HIGH-TECH CORPORATION
- Nobuhiro TSUKADA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
NOVEL SINGLE-MATERIAL HAND PUMP
- Publication number 20250035098
- Publication date Jan 30, 2025
- NINGBO JINYU TECHNOLOGY INDUSTRY CO., LTD.
- Cheng HANG
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Fracturing Pump Spacer Frame
- Publication number 20250034975
- Publication date Jan 30, 2025
- YANTAI JEREH OILFIELD SERVICES GROUP CO., LTD.
- Junlei YAO
- E21 - EARTH DRILLING MINING

Machines or pumps with differential surface pistons

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Pump device

Well servicing pump system with driveline assembly for hydraulic fr...

Sealing assembly with repositionable seal

Pump noise attenuator and method thereof

Flexible manifold for reciprocating pump

Fracturing apparatus

Gas supply pump for ship dual fuel engine

Motor vehicle cooling system with an electric coolant pump

Compressor and compressor system

Automatically determining flow type histories for frack pumps and m...

Assembly and electric compressor with modular stator assembly

Linear compressor

Bypass and demand pump and valve system for bypass and demand pump

Sealing assembly for a pump with a leak path

Kitchen appliance apparatus

Multi-purpose pump

Valve for minimum waste concreting pump

Axial piston machine having a seal ring which is spherical in sections

Fluid end

Flow cross junctions for a manifold of a hydraulic fracturing syste...

Bent axis plunger-type variable hydraulic motor pump

Fluidic methods and devices

Transport device having an actuator and separating layer

Lubrication and flushing of a fluid seal used with reactive materials

Pump fluid end with suction valve closure assist

Pump control system and method

Liquid supply device, microdevice system, and liquid supply method

Tube pump

Fracturing pump arrangement using a plunger with an internal fluid...

Modular power end

Patents Applicationslast 30 patents

HANDHELD CLEANING MACHINE

FLUID END ASSEMBLY

VIBRATION STABILIZER ASSEMBLY FOR A COMPRESSOR IN A TRANSPORT REFRI...

VIRTUAL VALVE IN A MEMS-BASED COOLING SYSTEM

FLUID END ASSEMBLY

COMPRESSOR FIXING DEVICE

VALVE CARTRIDGE FOR A FLUID PUMP

CONFIGURABLE BASE PLATE SYSTEM FOR INDUSTRIAL PUMPS

FRACTURING APPARATUS AND CONTROL METHOD THEREOF, FRACTURING SYSTEM

Distribution Manifold

INTEGRATED ELECTRO-HYDRAULIC UNIT HAVING AN INTERNAL POSITION SENSOR

AEROSOL-GENERATING SYSTEM WITH PUMP

PUMP FOR A BIOPROCESSING SYSTEM

PUMP CARTRIDGE AND CONSOLE

MOTOR-PUMP UNIT FOR USE IN A MOTOR VEHICLE

FRACTURING APPARATUS AND FRACTURING SYSTEM

PRESSURE ACTUATED DIAPHRAGM PUMP

INFUSION PUMP SYSTEM WITH DISPOSABLE CARTRIDGE HAVING PRESSURE VENT...

Refrigerant Compressor Unit

MOBILE PUMP SYSTEM FOR MULTIPURPOSE WATER DELIVERY

AUTOMATIC OIL RETURN STRUCTURE

DISPOSABLE PUMP CARTRIDGE

FLUID COUPLING ASSEMBLIES FOR A MANIFOLD OF A HYDRAULIC FRACTURING...

NEGATIVE PRESSURE WOUND THERAPY APPARATUS

LUBRICATOR ASSEMBLY WITH FLANGE OR FLOW BLOCK MOUNTED CATCHER

PNEUMATIC AUTOMATIC REVERSING TRANSFER PUMP

Crosshead Box and Plunger Pump

LIQUID DELIVERY PUMP

NOVEL SINGLE-MATERIAL HAND PUMP

Fracturing Pump Spacer Frame