pistons or plungers

Industry

CPC
B21K1/18

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21KMAKING FORGED OR PRESSED METAL PRODUCTS B21K1/00Making machine elements

Current Industry

B21K1/18pistons or plungers

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Forming near-net shape single-piece piston blanks
- Patent number 11,661,903
- Issue date May 30, 2023
- KS Kolbenschmidt US, Inc.
- David J. Boye
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Methods for forging a piston blank
- Patent number 11,286,877
- Issue date Mar 29, 2022
- KS Kolbenschmidt US, Inc.
- David J. Boye
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Production method, piston blank, piston and axial piston machine ha...
- Patent number 11,213,880
- Issue date Jan 4, 2022
- Schaeffler Technologies AG & Co. KG
- Reinhard Kick-Rodenbücher
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Forged piston with oriented grain flow
- Patent number 11,148,189
- Issue date Oct 19, 2021
- Steven Edward Legat
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cooling channel having dam and funnel
- Patent number 11,053,885
- Issue date Jul 6, 2021
- KS Kolbenschmidt GmbH
- Gerhard Luz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hot forming of cooling galleries in steel pistons
- Patent number 10,843,254
- Issue date Nov 24, 2020
- OHIO STATE INNOVATION FOUNDATION
- Rajiv Shivpuri
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for manufacturing a piston
- Patent number 10,837,400
- Issue date Nov 17, 2020
- Mahle International GmbH
- Klaus Keller
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Complex-shaped forged piston oil galleries
- Patent number 10,787,991
- Issue date Sep 29, 2020
- Tenneco Inc.
- Norbert G. Schneider
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Aluminum alloy for insert ring, aluminum insert ring using the same...
- Patent number 10,787,724
- Issue date Sep 29, 2020
- Hyundai Motor Company
- Hee-Sam Kang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Reduced height piston
- Patent number 10,711,732
- Issue date Jul 14, 2020
- Industrial Parts Depot, LLC
- Henry Maurice Wandrie
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Piston cooling gallery shaping to reduce piston temperature
- Patent number 10,704,491
- Issue date Jul 7, 2020
- Tenneco Inc.
- Eduardo Matsuo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Robust, lightweight, low compression height piston and method of co...
- Patent number 10,584,659
- Issue date Mar 10, 2020
- Tenneco Inc.
- Michael Weinenger
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Piston of an internal combustion engine having alkali metal cooling...
- Patent number 10,569,325
- Issue date Feb 25, 2020
- KS Kolbenschmidt GmbH
- Eberhard Weiss
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing a piston for an internal combustion engine and...
- Patent number 10,415,499
- Issue date Sep 17, 2019
- Mahle International GmbH
- Gerhard Berr
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing a sintered part with high radial precision, an...
- Patent number 10,413,967
- Issue date Sep 17, 2019
- GKN Sinter Metals Engineering GmbH
- Alexander Tausend
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hot forming of cooling galleries in steel pistons
- Patent number 10,363,599
- Issue date Jul 30, 2019
- OHIO STATE INNOVATION FOUNDATION
- Rajiv Shivpuri
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing a piston
- Patent number 10,359,001
- Issue date Jul 23, 2019
- Mahle International GmbH
- Lothar Pfizenmaier
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing a piston for an internal combustion engine and...
- Patent number 10,265,811
- Issue date Apr 23, 2019
- Mahle International GmbH
- Gerhard Berr
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Methods for forging a piston blank
- Patent number 10,253,722
- Issue date Apr 9, 2019
- KS Kolbenschmidt US, Inc.
- David J. Boye
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Piston manufacturing device, piston manufacturing method, piston an...
- Patent number 10,247,269
- Issue date Apr 2, 2019
- Hitachi Automotive Systems, Ltd.
- Yoshinari Iwai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Complex-shaped forged piston oil galleries
- Patent number 10,247,134
- Issue date Apr 2, 2019
- Tenneco Inc.
- Norbert G. Schneider
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method for producing a piston
- Patent number 10,208,702
- Issue date Feb 19, 2019
- Mahle International GmbH
- Udo Rotmann
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hot forming of cooling galleries in steel pistons
- Patent number 10,144,052
- Issue date Dec 4, 2018
- OHIO STATE INNOVATION FOUNDATION
- Rajiv Shivpuri
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing a piston for an internal combustion engine and...
- Patent number 10,077,738
- Issue date Sep 18, 2018
- Mahle International GmbH
- Gerhard Berr
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for the production of a piston for an internal combustion en...
- Patent number 10,065,277
- Issue date Sep 4, 2018
- Mahle International GmbH
- Rainer Scharp
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Forging device for the production of a piston blank, and method for...
- Patent number 9,782,823
- Issue date Oct 10, 2017
- Mahle International GmbH
- Roland Grunert
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Asymmetric piston
- Patent number 9,759,156
- Issue date Sep 12, 2017
- Mahle International GmbH
- Luiz Perrone
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing a pendulum of a pendulum slide cell pump
- Patent number 9,751,163
- Issue date Sep 5, 2017
- Mahle International GmbH
- Marco Kirchner
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Complex-shaped forged piston oil galleries
- Patent number 9,739,234
- Issue date Aug 22, 2017
- Federal-Mogul LLC
- Norbert G. Schneider
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for simultaneously producing first and second piston parts
- Patent number 9,656,320
- Issue date May 23, 2017
- Mahle International GmbH
- Klaus Keller
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Near-Net Shape Single-Piece Piston Blanks
- Publication number 20220178328
- Publication date Jun 9, 2022
- KS Kolbenschmidt US, Inc.
- David J. Boye
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PRODUCTION METHOD, PISTON BLANK, PISTON AND AXIAL PISTON MACHINE HA...
- Publication number 20200346278
- Publication date Nov 5, 2020
- SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Reinhard KICK-RODENBÜCHER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PISTON COOLING GALLERY SHAPING TO REDUCE PISTON TEMPERATURE
- Publication number 20200116102
- Publication date Apr 16, 2020
- Tenneco Inc.
- Eduardo Matsuo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Forged Piston with Oriented Grain Flow
- Publication number 20200116101
- Publication date Apr 16, 2020
- Race Winning Brands, Inc.
- Steven Edward Legat
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT FORMING OF COOLING GALLERIES IN STEEL PISTONS
- Publication number 20190344330
- Publication date Nov 14, 2019
- Ohio State Innovation Foundation
- Rajiv SHIVPURI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Cooling Channel Having Dam And Funnel
- Publication number 20190323450
- Publication date Oct 24, 2019
- KS Kolbenschmidt GmbH
- Gerhard LUZ
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHODS FOR FORGING A PISTON BLANK AND RESULTANT NEAR-NET SHAPE SIN...
- Publication number 20190178204
- Publication date Jun 13, 2019
- KS Kolbenschmidt US, Inc.
- David J. Boye
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT FORMING OF COOLING GALLERIES IN STEEL PISTONS
- Publication number 20190091757
- Publication date Mar 28, 2019
- Ohio State Innovation Foundation
- Rajiv SHIVPURI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PISTON PIN AND METHOD FOR MANUFACTURING PISTON PIN
- Publication number 20190076913
- Publication date Mar 14, 2019
- Hitachi Automotive Systems, Ltd.
- Yuto HIGASA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Piston Having Three Ring Grooves And A Further Groove Having A Joint
- Publication number 20190022739
- Publication date Jan 24, 2019
- KS Kolbenschmidt GmbH
- Emmerich Ottliczky
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Heat Input Zone Of A Piston, Having A Groove Flank Positioned In Sa...
- Publication number 20180328311
- Publication date Nov 15, 2018
- KS Kolbenschmidt GmbH
- Jens Voigt
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR PRODUCING A PISTON
- Publication number 20180252181
- Publication date Sep 6, 2018
- MAHLE International GmbH
- Udo Rotmann
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Piston of an Internal Combustion Engine Having Alkali Metal Cooling...
- Publication number 20180243817
- Publication date Aug 30, 2018
- KS Kolbenschmidt GmbH
- Eberhard WEISS
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for Producing a Monoblock Piston, and Monoblock Piston
- Publication number 20180230937
- Publication date Aug 16, 2018
- KS Kolbenschmidt GmbH
- Matthias Laqua
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
REDUCED HEIGHT PISTON
- Publication number 20180202387
- Publication date Jul 19, 2018
- INDUSTRIAL PARTS DEPOT, LLC
- Henry Maurice Wandrie
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PLUNGER MEMBER USED FOR BELT TYPE CONTINUOUSLY VARIABLE TRANSMISSION
- Publication number 20180172034
- Publication date Jun 21, 2018
- UNIPRES CORPORATION
- Masamichi MIWA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Aluminum Alloy for Insert Ring, Aluminum Insert Ring Using the Same...
- Publication number 20180171441
- Publication date Jun 21, 2018
- Hyundai Motor Company
- Hee-Sam Kang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING A PISTON
- Publication number 20180119636
- Publication date May 3, 2018
- MAHLE International GmbH
- Klaus Keller
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Methods of Manufacturing Engine System Components
- Publication number 20180079007
- Publication date Mar 22, 2018
- Caterpillar Inc.
- Nan Yang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COMPLEX-SHAPED FORGED PISTON OIL GALLERIES
- Publication number 20170335793
- Publication date Nov 23, 2017
- Federal-Mogul LLC
- NORBERT G. SCHNEIDER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT FORMING OF COOLING GALLERIES IN STEEL PISTONS
- Publication number 20170232501
- Publication date Aug 17, 2017
- Ohio State Innovation Foundation
- Rajiv SHIVPURI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PISTON MANUFACTURING DEVICE, PISTON MANUFACTURING METHOD, PISTON AN...
- Publication number 20170175836
- Publication date Jun 22, 2017
- Hitachi Automotive Systems, Ltd.
- Yoshinori IWAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method of Producing a Cooling Channel System for Internal Combustio...
- Publication number 20170173665
- Publication date Jun 22, 2017
- KS Kolbenschmidt GmbH
- Volker Gniesmer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING A PISTON FOR AN INTERNAL COMBUSTION ENGINE AND...
- Publication number 20160288275
- Publication date Oct 6, 2016
- MAHLE International GmbH
- Gerhard BERR
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROBUST, LIGHTWEIGHT, LOW COMPRESSION HEIGHT PISTON AND METHOD OF CO...
- Publication number 20160281635
- Publication date Sep 29, 2016
- Federal-Mogul Corporation
- Michael Weinenger
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
ASYMMETRIC PISTON
- Publication number 20160258382
- Publication date Sep 8, 2016
- MAHLE International GmbH
- Luiz Perrone
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for Producing a Sintered Part With High Radial Precision, an...
- Publication number 20160207107
- Publication date Jul 21, 2016
- GKN SINTER METALS ENGINEERING GMBH
- Alexander TAUSEND
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COMPLEX-SHAPED FORGED PISTON OIL GALLERIES
- Publication number 20160208735
- Publication date Jul 21, 2016
- Federal-Mogul Corporation
- Norbert G. Schneider
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING A PENDULUM OF A PENDULUM SLIDE CELL PUMP
- Publication number 20150322943
- Publication date Nov 12, 2015
- MAHLE International GmbH
- Marco Kirchner
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
FORGING DEVICE FOR THE PRODUCTION OF A PISTON BLANK, AND METHOD FOR...
- Publication number 20150020566
- Publication date Jan 22, 2015
- MAHLE International GmbH
- Roland Grunert
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

pistons or plungers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Forming near-net shape single-piece piston blanks

Methods for forging a piston blank

Production method, piston blank, piston and axial piston machine ha...

Forged piston with oriented grain flow

Cooling channel having dam and funnel

Hot forming of cooling galleries in steel pistons

Method for manufacturing a piston

Complex-shaped forged piston oil galleries

Aluminum alloy for insert ring, aluminum insert ring using the same...

Reduced height piston

Piston cooling gallery shaping to reduce piston temperature

Robust, lightweight, low compression height piston and method of co...

Piston of an internal combustion engine having alkali metal cooling...

Method for producing a piston for an internal combustion engine and...

Method for producing a sintered part with high radial precision, an...

Hot forming of cooling galleries in steel pistons

Method for producing a piston

Method for producing a piston for an internal combustion engine and...

Methods for forging a piston blank

Piston manufacturing device, piston manufacturing method, piston an...

Complex-shaped forged piston oil galleries

Method for producing a piston

Hot forming of cooling galleries in steel pistons

Method for producing a piston for an internal combustion engine and...

Method for the production of a piston for an internal combustion en...

Forging device for the production of a piston blank, and method for...

Asymmetric piston

Method for producing a pendulum of a pendulum slide cell pump

Complex-shaped forged piston oil galleries

Method for simultaneously producing first and second piston parts

Patents Applicationslast 30 patents

Near-Net Shape Single-Piece Piston Blanks

PRODUCTION METHOD, PISTON BLANK, PISTON AND AXIAL PISTON MACHINE HA...

PISTON COOLING GALLERY SHAPING TO REDUCE PISTON TEMPERATURE

Forged Piston with Oriented Grain Flow

HOT FORMING OF COOLING GALLERIES IN STEEL PISTONS

Cooling Channel Having Dam And Funnel

METHODS FOR FORGING A PISTON BLANK AND RESULTANT NEAR-NET SHAPE SIN...

HOT FORMING OF COOLING GALLERIES IN STEEL PISTONS

PISTON PIN AND METHOD FOR MANUFACTURING PISTON PIN

Piston Having Three Ring Grooves And A Further Groove Having A Joint

Heat Input Zone Of A Piston, Having A Groove Flank Positioned In Sa...

METHOD FOR PRODUCING A PISTON

Piston of an Internal Combustion Engine Having Alkali Metal Cooling...

Method for Producing a Monoblock Piston, and Monoblock Piston

REDUCED HEIGHT PISTON

PLUNGER MEMBER USED FOR BELT TYPE CONTINUOUSLY VARIABLE TRANSMISSION

Aluminum Alloy for Insert Ring, Aluminum Insert Ring Using the Same...

METHOD FOR MANUFACTURING A PISTON

Methods of Manufacturing Engine System Components

COMPLEX-SHAPED FORGED PISTON OIL GALLERIES

HOT FORMING OF COOLING GALLERIES IN STEEL PISTONS

PISTON MANUFACTURING DEVICE, PISTON MANUFACTURING METHOD, PISTON AN...

Method of Producing a Cooling Channel System for Internal Combustio...

METHOD FOR PRODUCING A PISTON FOR AN INTERNAL COMBUSTION ENGINE AND...

ROBUST, LIGHTWEIGHT, LOW COMPRESSION HEIGHT PISTON AND METHOD OF CO...

ASYMMETRIC PISTON

Method for Producing a Sintered Part With High Radial Precision, an...

COMPLEX-SHAPED FORGED PISTON OIL GALLERIES

METHOD FOR PRODUCING A PENDULUM OF A PENDULUM SLIDE CELL PUMP

FORGING DEVICE FOR THE PRODUCTION OF A PISTON BLANK, AND METHOD FOR...