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B21F3/02

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21FWORKING OR PROCESSING OF METAL WIRE B21F3/00Coiling wire into particular forms

Current Industry

B21F3/02helically

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Stator of electric motor and manufacturing method for stator of ele...
- Patent number 12,341,390
- Issue date Jun 24, 2025
- Hitachi Astemo, Ltd.
- Keiji Kawahara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for preventing shape changes in metal coils, in particualr f...
- Patent number 12,318,834
- Issue date Jun 3, 2025
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Roland Hofer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of automating and optimizing coil formation in a wire rod li...
- Patent number 12,303,965
- Issue date May 20, 2025
- Primetals Technologies USA LLC
- Matthew D. Palfreman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Twisting device of hair pin type stator coil
- Patent number 12,283,852
- Issue date Apr 22, 2025
- Hyundai Motor Company
- Yeongsu Yu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and system of producing coil springs
- Patent number 12,252,356
- Issue date Mar 18, 2025
- Wafios Aktiengesellschaft
- Bernd Walz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Positioning apparatus for positioning spring product fed from sprin...
- Patent number 12,208,438
- Issue date Jan 28, 2025
- PLUSPRINGS MACHINERY CO., LTD
- Ching-Fa Yang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Endovascular coil and method for making the same
- Patent number 12,150,649
- Issue date Nov 26, 2024
- Avantec Vascular Corporation
- John Thao To
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Wire shaping apparatus and method of shaping a wire
- Patent number 11,969,780
- Issue date Apr 30, 2024
- HS PRODUCTS LTD
- Simon Spinks
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Automatic installation machine for an installation tool for a wire...
- Patent number 11,897,098
- Issue date Feb 13, 2024
- Bollhoff Verbindungstechnik GmbH
- Daniel Stücker
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Spring forming machine
- Patent number 11,759,843
- Issue date Sep 19, 2023
- Asahi-Seiki Manufacturing Co., Ltd.
- Eiji Obayashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Twisted helically shaped member
- Patent number 11,752,540
- Issue date Sep 12, 2023
- Product Licensing Company Ltd
- Richard James Goodall
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and means of forming threaded ties and rods
- Patent number 11,738,383
- Issue date Aug 29, 2023
- Product Licensing Company Ltd
- Richard James Goodall
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Wire forming apparatus
- Patent number 11,590,557
- Issue date Feb 28, 2023
- KABUSHIKI KAISHA ITAYA SEISAKU SHO
- Kenji Kanazawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Raw material for metal porous body and metal porous body
- Patent number 11,590,570
- Issue date Feb 28, 2023
- Mitsubishi Materials Corporation
- Toshihiko Saiwai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Device and method for shaping wire ends in a circumferential direction
- Patent number 11,462,976
- Issue date Oct 4, 2022
- Grob-Werke GmbH & Co. KG
- Johannes Binder
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Methods for manufacturing a spring, a spring brake, and a spring br...
- Patent number 11,292,048
- Issue date Apr 5, 2022
- SOMFY ACTIVITES SA
- Eric Lagarde
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Triaxial spring-making machine and method thereof
- Patent number 11,267,039
- Issue date Mar 8, 2022
- PLUSPRINGS MACHINERY CO., LTD
- Ching-Fa Yang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Collector for detection and reversible capturing of cells from body...
- Patent number 11,160,542
- Issue date Nov 2, 2021
- Haimachek, Inc.
- Dave S. B. Hoon
- G01 - MEASURING TESTING
Information Patent Grant
Coil spring
- Patent number 11,131,356
- Issue date Sep 28, 2021
- Suncall Corporation
- Ryuji Kishihara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Spring manufacturing machine with selectable configuration for proc...
- Patent number 11,072,020
- Issue date Jul 27, 2021
- PLUSPRINGS MACHINERY CO., LTD
- Ching-Fa Yang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of manufacturing coil spring and coil spring manufacturing a...
- Patent number 10,987,721
- Issue date Apr 27, 2021
- ORII & MEC CORPORATION
- Takehito Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Nozzle turning apparatus and winding machine
- Patent number 10,944,311
- Issue date Mar 9, 2021
- ODAWARA ENGINEERING CO., LTD.
- Yuji Miyazaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Aneurysm treatment coils
- Patent number 10,893,868
- Issue date Jan 19, 2021
- Covidien LP
- Vince Divino
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Wire thread insert with redressable mounting tang as well as its ma...
- Patent number 10,883,527
- Issue date Jan 5, 2021
- Bollhoff Verbindungstechnik GmbH
- Holger Thommes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Selecting device for a springs forming machine, and springs forming...
- Patent number 10,875,137
- Issue date Dec 29, 2020
- SIMPLEX RAPID S.R.L.
- Giuseppe Boschiero
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device and method for forming end of coiled spring
- Patent number 10,828,690
- Issue date Nov 10, 2020
- Mitsubishi Steel Mfg. Co., Ltd.
- Takashi Eto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of manufacturing a spring with improved thermal stabilization
- Patent number 10,774,410
- Issue date Sep 15, 2020
- MICROTECNICA S.R.L.
- Dario Savino
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Wire thread insert with redressable mounting tang as well as its ma...
- Patent number 10,774,868
- Issue date Sep 15, 2020
- Bollhoff Verbindungstechnik GmbH
- Holger Thommes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wire thread insert with redress mounting tang as well as its manufa...
- Patent number 10,704,589
- Issue date Jul 7, 2020
- Bollhoff Verbindungstechnik GmbH
- Holger Thommes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing hot-formed steel springs
- Patent number 10,689,726
- Issue date Jun 23, 2020
- Thyssenkrupp Federn und Stabilisatoren GmbH
- Dieter Lechner
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD OF COIL UNIT
- Publication number 20250218657
- Publication date Jul 3, 2025
- ASTER CO., LTD.
- Takenobu HONGO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HEATING METHOD AND HEATING SYSTEM
- Publication number 20250207214
- Publication date Jun 26, 2025
- NHK SPRING CO., LTD.
- Kazuya TAKEDA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MANUFACTURING METHOD OF ROTARY ELECTRIC MACHINE COIL
- Publication number 20250211076
- Publication date Jun 26, 2025
- Honda Motor Co., Ltd.
- Kentaro Fukui
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COILING MACHINE AND PRODUCTION METHOD FOR COIL SPRINGS
- Publication number 20250178069
- Publication date Jun 5, 2025
- NHK Spring Co., Ltd.
- Hisashi IWATA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
COILING MACHINE AND COIL SPRING MANUFACTURING METHOD
- Publication number 20250178068
- Publication date Jun 5, 2025
- NHK Spring Co., Ltd.
- Hisashi IWATA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HOLLOW CYLINDRICAL FILTER, AND MANUFACTURING METHOD
- Publication number 20250121304
- Publication date Apr 17, 2025
- Fuji Filter Manufacturing Co., Ltd.
- Chika SHIOMI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MANUFACTURING STATOR COIL, METHOD FOR MANUFACTURING ROTA...
- Publication number 20250088081
- Publication date Mar 13, 2025
- Mitsubishi Electric Corporation
- Yutaka HIROTA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR THE MAKING OF A STATOR FOR ELECTRIC MOTORS, AND RESPECTI...
- Publication number 20250079952
- Publication date Mar 6, 2025
- MARSILLI S.P.A.
- Gian Battista PARATI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CENTER PIN FOR A SECONDARY CELL HAVING AN ENGAGEMENT PROFILE
- Publication number 20250065394
- Publication date Feb 27, 2025
- NORTHVOLT AB
- Michael KOMA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MONITORING SYSTEM FOR A SPRING MACHINE
- Publication number 20250041923
- Publication date Feb 6, 2025
- TZYH RU SHYNG AUTOMATION CO., LTD.
- Chih-Feng CHANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
DYNAMIC MANDREL FOR INDUCING STRESS INTO AN EMBOLIC COIL
- Publication number 20250009360
- Publication date Jan 9, 2025
- Avantec Vascular Corporation
- JOHN TO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Automatic wire inserting process for flat wire stator
- Publication number 20240388178
- Publication date Nov 21, 2024
- UPTEC Intelligent Manufacturing (Wuxi) Co., Ltd.
- Xin YE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SYSTEM AND METHOD FOR INSERTING I-PINS INTO A STATOR OR ROTOR WINDI...
- Publication number 20240356418
- Publication date Oct 24, 2024
- TECNOMATIC SPA
- Francesco LUCCHETTI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING A NONLINEAR CYLINDRICAL SPRING AND USE OF SUCH...
- Publication number 20240345605
- Publication date Oct 17, 2024
- ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
- Gregor Christoffer GEBEL
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD OF MANUFACTURING STATOR
- Publication number 20240305177
- Publication date Sep 12, 2024
- NHK SPRING CO., LTD.
- Ryosuke UEDA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CLAMP DEVICE AND METHOD OF MANUFACTURING STATOR
- Publication number 20240235338
- Publication date Jul 11, 2024
- Toyota Jidosha Kabushiki Kaisha
- Kento FURUTA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STATOR FOR AN ELECTRIC DRIVE UNIT AND METHOD FOR PRODUCING A STATOR...
- Publication number 20240146143
- Publication date May 2, 2024
- Bühler Motor GmbH
- Jochen Bauer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED FATIGUE RE...
- Publication number 20240052453
- Publication date Feb 15, 2024
- POSCO Co., Ltd
- Junmo LEE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
APPARATUS FOR BENDING AND EXPANDING HAIRPINS OF HAIRPIN MOTOR OF EL...
- Publication number 20230421030
- Publication date Dec 28, 2023
- Hyundai Motor Company
- Seung Kyu Jang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PRODUCTION DEVICE FOR PRODUCING A COIL OF AN ELECTRIC MACHINE
- Publication number 20230369950
- Publication date Nov 16, 2023
- Flender GmbH
- NORBERT SCHÖNBAUER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD OF AUTOMATING AND OPTIMIZING COIL FORMATION IN A WIRE ROD LI...
- Publication number 20230311195
- Publication date Oct 5, 2023
- Primetals Technologies USA LLC
- Matthew D. Palfreman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
APPARATUS AND METHOD FOR DEFORMING THE CONDUCTORS OF AT LEAST ONE W...
- Publication number 20230268813
- Publication date Aug 24, 2023
- TECNOMATIC SPA
- Sergio TANCREDI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
AUTOMATIC INSTALLATION MACHINE FOR AN INSTALLATION TOOL FOR A WIRE...
- Publication number 20230226673
- Publication date Jul 20, 2023
- Bollhoff Verbindungstechnik GmbH
- Daniel Stücker
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STATOR OF ELECTRIC MOTOR AND MANUFACTURING METHOD FOR STATOR OF ELE...
- Publication number 20230216364
- Publication date Jul 6, 2023
- Hitachi Astemo, Ltd.
- Keiji KAWAHARA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD AND DEVICE FOR FORMING WINDING ELEMENTS
- Publication number 20230198356
- Publication date Jun 22, 2023
- GEHRING TECHNOLOGIES GMBH + CO. KG
- Felix Wirth
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD AND SYSTEM OF PRODUCING COIL SPRINGS
- Publication number 20230114519
- Publication date Apr 13, 2023
- WAFIOS AKTIENGESELLSCHAFT
- Bernd Walz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
POSITIONING APPARATUS FOR POSITIONING SPRING PRODUCT FED FROM SPRIN...
- Publication number 20230108101
- Publication date Apr 6, 2023
- PLUSPRINGS MACHINERY CO., LTD
- CHING-FA YANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
TWISTING DEVICE OF HAIR PIN TYPE STATOR COIL
- Publication number 20230070121
- Publication date Mar 9, 2023
- Hyundai Motor Company
- Yeongsu Yu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
TWISTED HELICALLY SHAPED MEMBER
- Publication number 20220410250
- Publication date Dec 29, 2022
- Richard James Goodall
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR SHAPING A CONDUCTOR PIECE ARRANGED IN A STATOR CORE AND...
- Publication number 20220385150
- Publication date Dec 1, 2022
- GEHRING TECHNOLOGIES GMBH + CO. KG
- Christoph Bäder
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Stator of electric motor and manufacturing method for stator of ele...

Method for preventing shape changes in metal coils, in particualr f...

Method of automating and optimizing coil formation in a wire rod li...

Twisting device of hair pin type stator coil

Method and system of producing coil springs

Positioning apparatus for positioning spring product fed from sprin...

Endovascular coil and method for making the same

Wire shaping apparatus and method of shaping a wire

Automatic installation machine for an installation tool for a wire...

Spring forming machine

Twisted helically shaped member

Method and means of forming threaded ties and rods

Wire forming apparatus

Raw material for metal porous body and metal porous body

Device and method for shaping wire ends in a circumferential direction

Methods for manufacturing a spring, a spring brake, and a spring br...

Triaxial spring-making machine and method thereof

Collector for detection and reversible capturing of cells from body...

Coil spring

Spring manufacturing machine with selectable configuration for proc...

Method of manufacturing coil spring and coil spring manufacturing a...

Nozzle turning apparatus and winding machine

Aneurysm treatment coils

Wire thread insert with redressable mounting tang as well as its ma...

Selecting device for a springs forming machine, and springs forming...

Device and method for forming end of coiled spring

Method of manufacturing a spring with improved thermal stabilization

Wire thread insert with redressable mounting tang as well as its ma...

Wire thread insert with redress mounting tang as well as its manufa...

Method for producing hot-formed steel springs

Patents Applicationslast 30 patents

MANUFACTURING METHOD OF COIL UNIT

HEATING METHOD AND HEATING SYSTEM

MANUFACTURING METHOD OF ROTARY ELECTRIC MACHINE COIL

COILING MACHINE AND PRODUCTION METHOD FOR COIL SPRINGS

COILING MACHINE AND COIL SPRING MANUFACTURING METHOD

HOLLOW CYLINDRICAL FILTER, AND MANUFACTURING METHOD

METHOD FOR MANUFACTURING STATOR COIL, METHOD FOR MANUFACTURING ROTA...

METHOD FOR THE MAKING OF A STATOR FOR ELECTRIC MOTORS, AND RESPECTI...

CENTER PIN FOR A SECONDARY CELL HAVING AN ENGAGEMENT PROFILE

MONITORING SYSTEM FOR A SPRING MACHINE

DYNAMIC MANDREL FOR INDUCING STRESS INTO AN EMBOLIC COIL

Automatic wire inserting process for flat wire stator

SYSTEM AND METHOD FOR INSERTING I-PINS INTO A STATOR OR ROTOR WINDI...

METHOD FOR PRODUCING A NONLINEAR CYLINDRICAL SPRING AND USE OF SUCH...

METHOD OF MANUFACTURING STATOR

CLAMP DEVICE AND METHOD OF MANUFACTURING STATOR

STATOR FOR AN ELECTRIC DRIVE UNIT AND METHOD FOR PRODUCING A STATOR...

WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED FATIGUE RE...

APPARATUS FOR BENDING AND EXPANDING HAIRPINS OF HAIRPIN MOTOR OF EL...

PRODUCTION DEVICE FOR PRODUCING A COIL OF AN ELECTRIC MACHINE

METHOD OF AUTOMATING AND OPTIMIZING COIL FORMATION IN A WIRE ROD LI...

APPARATUS AND METHOD FOR DEFORMING THE CONDUCTORS OF AT LEAST ONE W...

AUTOMATIC INSTALLATION MACHINE FOR AN INSTALLATION TOOL FOR A WIRE...

STATOR OF ELECTRIC MOTOR AND MANUFACTURING METHOD FOR STATOR OF ELE...

METHOD AND DEVICE FOR FORMING WINDING ELEMENTS

METHOD AND SYSTEM OF PRODUCING COIL SPRINGS

POSITIONING APPARATUS FOR POSITIONING SPRING PRODUCT FED FROM SPRIN...

TWISTING DEVICE OF HAIR PIN TYPE STATOR COIL

TWISTED HELICALLY SHAPED MEMBER

METHOD FOR SHAPING A CONDUCTOR PIECE ARRANGED IN A STATOR CORE AND...