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B21D28/02
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PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
B21D
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL
B21D28/00
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for the assembly of lamellar packs for electrical use
Patent number
12,323,015
Issue date
Jun 3, 2025
Corrado S.P.A.
Alberto Curatoli
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Press apparatus and method for manufacturing different-thickness me...
Patent number
12,263,517
Issue date
Apr 1, 2025
Toyota Jidosha Kabushiki Kaisha
Tetsuji Egawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Workpiece transport unit, hot pressing equipment, workpiece transpo...
Patent number
12,134,118
Issue date
Nov 5, 2024
Nippon Steel Corporation
Naruhiko Nomura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Blanking and trim die including an integrated power grinding tool
Patent number
12,083,607
Issue date
Sep 10, 2024
Ford Motor Company
Liang Huang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Mounting system for industrial digital barcode reader
Patent number
12,020,113
Issue date
Jun 25, 2024
Zebra Technologies Corporation
Joseph D. Giordano
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a sheet metal component
Patent number
11,993,824
Issue date
May 28, 2024
Bayerische Motoren Werke Aktiengesellschaft
Martin Kerscher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Manufacturing apparatus and manufacturing method for laminated iron...
Patent number
11,990,802
Issue date
May 21, 2024
Kuroda Precision Industries Ltd.
Hironobu Okudaira
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Rotating-layering mold and press apparatus comprising rotating-laye...
Patent number
11,951,523
Issue date
Apr 9, 2024
Sankyo Seisakusho Co.
Kengo Suzuki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Drilling processing method using press
Patent number
11,945,018
Issue date
Apr 2, 2024
Mazda Motor Corporation
Shigeru Matsumoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and device for cutting a workpiece
Patent number
11,938,577
Issue date
Mar 26, 2024
ThyssenKrupp Steel Europe AG
Thomas Flehmig
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Vacuum plate, sheet material handling apparatus comprising such vac...
Patent number
11,926,489
Issue date
Mar 12, 2024
Kongsberg Precision Cutting Systems Belgium BV
Colin Maxwell Wade
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for manufacturing laminated steel sheet, apparatus for manuf...
Patent number
11,872,619
Issue date
Jan 16, 2024
Threebond Co., Ltd.
Ai Omura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Non-oriented electrical steel sheet and method of manufacturing sta...
Patent number
11,795,518
Issue date
Oct 24, 2023
Nippon Steel Corporation
Hiroshi Fujimura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Sprocket for a bicycle drive train
Patent number
11,767,079
Issue date
Sep 26, 2023
SRAM Deutschland GmbH
Peter Geist
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Notching apparatus and method for secondary battery
Patent number
11,594,713
Issue date
Feb 28, 2023
LG ENERGY SOLUTION, LTD.
Sang Jin Woo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and robot system for producing transformer core
Patent number
11,521,795
Issue date
Dec 6, 2022
HEINRICH GEORG GMBH MASCHINENFABRIK
Volker Loth
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device and method for producing transformer cores
Patent number
11,495,402
Issue date
Nov 8, 2022
HEINRICH GEORG GMBH MASCHINENFABRIK
Volker Loth
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for the production of a stack of laminations
Patent number
11,476,739
Issue date
Oct 18, 2022
Kienle + Spiess GmbH
Daniel Blocher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Metal laminate and manufacturing method of metal laminate
Patent number
11,472,169
Issue date
Oct 18, 2022
Mitsui High-Tec, Inc.
Masahiro Izumi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method of machining an opening in a plurality of blanks
Patent number
11,458,526
Issue date
Oct 4, 2022
Ford Motor Company
Laurent Bernard Chappuis
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Hot-stamped trim component
Patent number
11,376,646
Issue date
Jul 5, 2022
Toyoda Iron Works Co., Ltd.
Kazuhiko Yokoi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Manufacturing method of core of rotating electrical machine, and co...
Patent number
11,336,158
Issue date
May 17, 2022
Toyota Jidosha Kabushiki Kaisha
Hiroshi Kinpara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Longitudinal seat adjuster
Patent number
11,267,370
Issue date
Mar 8, 2022
Adient Engineering and IP GmbH
Joachim Flick
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Machining planar workpieces
Patent number
11,241,727
Issue date
Feb 8, 2022
TRUMPF Werkzeugmaschinen GmbH+Co. KG
Simon Ockenfuss
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Laminated member, laminated body, and motor
Patent number
11,225,049
Issue date
Jan 18, 2022
Panasonic Corporation
Yukio Nishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Manufacturing method of middle member structure
Patent number
11,219,940
Issue date
Jan 11, 2022
Asia Vital Components Co., Ltd.
Wei-Kong Sheng
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing stacked core with adhesive
Patent number
11,196,324
Issue date
Dec 7, 2021
Satoshi Matsubayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Ring-shaped or plate-like element and method for producing same
Patent number
11,150,060
Issue date
Oct 19, 2021
Schott AG
Helmut Hartl
F42 - AMMUNITION BLASTING
Information
Patent Grant
Process for blanking of metal parts
Patent number
11,135,635
Issue date
Oct 5, 2021
Robert Bosch GmbH
Sipke Koopmans
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Press molding method and press molding apparatus
Patent number
11,130,163
Issue date
Sep 28, 2021
Mazda Motor Corporation
Shigeru Matsumoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR THE FINE BLANKING OF WORKPIECES AND FINE BLANKING PRESS
Publication number
20250128312
Publication date
Apr 24, 2025
Feintool International Holding AG
Christian MAURER
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD AND DEVICE FOR MANUFACTURING A PIPE T-BRANCH
Publication number
20240309981
Publication date
Sep 19, 2024
Leo LARIKKA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PRESS LINE, PRESS FORMING CONDITION CALCULATION METHOD, AND PRESS F...
Publication number
20240307944
Publication date
Sep 19, 2024
JFE STEEL CORPORATION
Hiroto Miyake
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHODS AND APPARATUS FOR CUTTING PROFILES
Publication number
20240033836
Publication date
Feb 1, 2024
Seoul Laser Dieboard System Co., Ltd.
Sang Moo Lee
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR DETERMINING THE THICKNESS OF A MATERIAL STRIP DURING THE...
Publication number
20240033806
Publication date
Feb 1, 2024
BRUDERER AG
Ugo DE SANTIS
G01 - MEASURING TESTING
Information
Patent Application
PROCESSING METHOD
Publication number
20230405660
Publication date
Dec 21, 2023
Toyota Jidosha Kabushiki Kaisha
Tomoaki IHARA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Mounting System for Industrial Digital Barcode Reader
Publication number
20230385577
Publication date
Nov 30, 2023
Zebra Technologies Corporation
Joseph D. Giordano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Foreign Material Removal Device for Notching Secondary Battery
Publication number
20230378417
Publication date
Nov 23, 2023
LG ENERGY SOLUTION, LTD.
Jung Hyun Park
B08 - CLEANING
Information
Patent Application
MODULAR DIE AND METHOD FOR BLANKING A SHEET FOR MANUFACTURING BLANK...
Publication number
20230356280
Publication date
Nov 9, 2023
MENETA HOLDING A/S
Rune KOFOED KIERSTEIN
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
WORKPIECE TRANSPORT DEVICE
Publication number
20230256499
Publication date
Aug 17, 2023
TOYOTA BOSHOKU KABUSHIKI KAISHA
Kazuyuki HIRATA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD AND APPARATUS MANUFACTURING HOT PRESS FORMED PARTS FOR MULTI...
Publication number
20230256495
Publication date
Aug 17, 2023
POSCO Co., Ltd
Hong-Gee Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
SPOT WELDING METHOD AND SPOT WELDING APPARATUS
Publication number
20230249278
Publication date
Aug 10, 2023
SUBARU CORPORATION
Masahiro YOKOI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD AND DEVICE FOR CUTTING A WORKPIECE
Publication number
20230182244
Publication date
Jun 15, 2023
ThyssenKrupp Steel Europe AG
Thomas FLEHMIG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PRESS APPARATUS AND METHOD FOR MANUFACTURING DIFFERENT-THICKNESS ME...
Publication number
20230037636
Publication date
Feb 9, 2023
Toyota Jidosha Kabushiki Kaisha
Tetsuji EGAWA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
APPARATUS FOR THE ASSEMBLY OF LAMELLAR PACKS FOR ELECTRICAL USE
Publication number
20220407400
Publication date
Dec 22, 2022
CORRADA S.P.A.
Alberto Curatoli
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CORE REMOVAL PUNCH AND HOLE FORMING METHOD
Publication number
20220371135
Publication date
Nov 24, 2022
Toyota Jidosha Kabushiki Kaisha
Koichi HAYAMI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WORKPIECE TRANSPORT UNIT, HOT PRESSING EPUIPMENT, WORKPIECE TRANSPO...
Publication number
20220152685
Publication date
May 19, 2022
Nippon Steel Corporation
Naruhiko NOMURA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR MANUFACTURING LAMINATED STEEL SHEET, APPARATUS FOR MANUF...
Publication number
20220055088
Publication date
Feb 24, 2022
THREEBOND CO., LTD.
Ai OMURA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING STA...
Publication number
20210292863
Publication date
Sep 23, 2021
NIPPON STEEL CORPORATION
Hiroshi FUJIMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for the Production of a Stack of Laminations
Publication number
20210273538
Publication date
Sep 2, 2021
Kienle + Spiess GmbH
Daniel Blocher
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SPROCKET FOR A BICYCLE DRIVE TRAIN
Publication number
20210253197
Publication date
Aug 19, 2021
SRAM DEUTSCHLAND GMBH
PETER GEIST
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
BEVEL STUD PUNCH
Publication number
20210213637
Publication date
Jul 15, 2021
Ryan Douglas Carr-Rouse
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Manufacturing Apparatus and Manufacturing Method for Laminated Iron...
Publication number
20210057969
Publication date
Feb 25, 2021
KURODA PRECISION INDUSTRIES LTD..
Hironobu Okudaira
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ROTATING-LAYERING MOLD AND PRESS APPARATUS COMPRISING ROTATING-LAYE...
Publication number
20210031256
Publication date
Feb 4, 2021
SANKYO SEISAKUSHO CO
Kengo SUZUKI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Electrode Sheet Rolling Apparatus, Guide Roll System Used Therein,...
Publication number
20210036356
Publication date
Feb 4, 2021
LG CHEM, LTD.
Yong Hee Kang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
VACCUUM PLATE, SHEET MATERIAL HANDLING APPARATUS COMPRISING SUCH VA...
Publication number
20210002085
Publication date
Jan 7, 2021
Colin Maxwell Wade
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
DIE CUTTING INSERT AND METHOD FOR CUTTING SHEET METALS
Publication number
20200398453
Publication date
Dec 24, 2020
MAGNA INTERNATIONAL INC.
Stephen John PAUL
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
DEVICE AND METHOD FOR PRODUCING TRANSFORMER CORES
Publication number
20200373085
Publication date
Nov 26, 2020
Heinrich Georg GmbH Maschinenfabrik
Volker Loth
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR MANUFACTURING A BEARING WASHER
Publication number
20200318686
Publication date
Oct 8, 2020
NTN CORPORATION
Kohei MIZUTA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING ROLLING BEARING RING
Publication number
20200291999
Publication date
Sep 17, 2020
NTN CORPORATION
Kohei MIZUTA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...