Description
Class B21F : WORKING OR PROCESSING OF WIRE
Subclass 3/02: Coiling wire into particular forms helically
B21F 3/02
Sub-Class
Stats
- 111 US PATENTS IN FORCE
- 21 US APPLICATIONS PENDING
- 44 Total Patent Owners
- 295 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12252356 | Method and system of producing coil springs | Oct 11, 22 | Mar 18, 25 | WAFIOS Aktiengesellschaft |
| 12208438 | Positioning apparatus for positioning spring product fed from spring coiling machine | Jan 26, 22 | Jan 28, 25 | PLUSPRINGS MACHINERY CO.,LTD |
| 12150649 | Endovascular coil and method for making the same | Sep 13, 20 | Nov 26, 24 | Avantec Vascular Corporation |
| 11969780 | Wire shaping apparatus and method of shaping a wire | Jun 01, 17 | Apr 30, 24 | HS PRODUCTS LTD |
| 11964321 | Coiling machine, method for manufacturing coil spring, and coil spring | Jun 28, 21 | Apr 23, 24 | NHK Spring Co. Ltd. |
| 11897098 | Automatic installation machine for an installation tool for a wire thread insert, and installation method | Aug 06, 21 | Feb 13, 24 | Böllhoff Verbindungstechnik GmbH |
| 11759843 | Spring forming machine | Feb 10, 22 | Sep 19, 23 | ASAHI-SEIKI MANUFACTURING CO., LTD. |
| 11752540 | Twisted helically shaped member | Sep 06, 22 | Sep 12, 23 | Product Licensing Company Ltd |
| 11738383 | Method and means of forming threaded ties and rods | Aug 13, 20 | Aug 29, 23 | Product Licensing Company Ltd |
| 11590557 | Wire forming apparatus | Mar 19, 21 | Feb 28, 23 | KABUSHIKI KAISHA ITAYA SEISAKU SHO |
| 11590570 | Raw material for metal porous body and metal porous body | Jan 16, 19 | Feb 28, 23 | Mitsubishi Materials Corporation |
| 11462976 | Device and method for shaping wire ends in a circumferential direction | Feb 20, 19 | Oct 04, 22 | Grob-Werke GmbH & Co. KG |
| 11331706 | Wire rod forming machine | Jul 31, 20 | May 17, 22 | ASAHI-SEIKI MANUFACTURING CO., LTD. |
| 11292048 | Methods for manufacturing a spring, a spring brake, and a spring brake comprising a spring | Apr 14, 17 | Apr 05, 22 | SOMFY ACTIVITES SA |
| 11267039 | Triaxial spring-making machine and method thereof | Dec 05, 19 | Mar 08, 22 | PLUSPRINGS MACHINERY CO.,LTD |
| 11160542 | Collector for detection and reversible capturing of cells from body fluids in vivo | Jun 09, 17 | Nov 02, 21 | Haimachek, Inc. |
| 11131356 | Coil spring | Feb 07, 17 | Sep 28, 21 | Suncall Corporation; Toyota Jidosha Kabushiki Kaisha; |
| 11072020 | Spring manufacturing machine with selectable configuration for processing tools | Jan 28, 19 | Jul 27, 21 | PLUSPRINGS MACHINERY CO.,LTD |
| 10987721 | Method of manufacturing coil spring and coil spring manufacturing apparatus | Jun 25, 15 | Apr 27, 21 | ORII & MEC CORPORATION |
| 10944311 | Nozzle turning apparatus and winding machine | Jul 01, 19 | Mar 09, 21 | Odawara Engineering Co. Ltd. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0088,081 | METHOD FOR MANUFACTURING STATOR COIL, METHOD FOR MANUFACTURING ROTATING ELECTRICAL MACHINE, STATOR, AND ROTATING ELECTRICAL MACHINE | Jan 17, 23 | Mar 13, 25 | Mitsubishi Electric Corporation |
| 2025/0079,952 | METHOD FOR THE MAKING OF A STATOR FOR ELECTRIC MOTORS, AND RESPECTIVE STATOR FOR ELECTRIC MOTORS | Mar 21, 22 | Mar 06, 25 | Not available |
| 2025/0065,394 | CENTER PIN FOR A SECONDARY CELL HAVING AN ENGAGEMENT PROFILE | Jan 25, 23 | Feb 27, 25 | Not available |
| 2025/0041,923 | MONITORING SYSTEM FOR A SPRING MACHINE | Aug 02, 24 | Feb 06, 25 | Not available |
| 2025/0009,360 | DYNAMIC MANDREL FOR INDUCING STRESS INTO AN EMBOLIC COIL | Sep 19, 24 | Jan 09, 25 | Not available |
| 2024/0388,178 | Automatic wire inserting process for flat wire stator | Jan 23, 24 | Nov 21, 24 | Not available |
| 2024/0356,418 | SYSTEM AND METHOD FOR INSERTING I-PINS INTO A STATOR OR ROTOR WINDING ASSEMBLY | Jan 23, 24 | Oct 24, 24 | Not available |
| 2024/0345,605 | METHOD FOR PRODUCING A NONLINEAR CYLINDRICAL SPRING AND USE OF SUCH A SPRING | Mar 22, 24 | Oct 17, 24 | Not available |
| 2024/0305,177 | METHOD OF MANUFACTURING STATOR | Jun 29, 22 | Sep 12, 24 | Not available |
| 2024/0235,338 | CLAMP DEVICE AND METHOD OF MANUFACTURING STATOR | Oct 27, 23 | Jul 11, 24 | c/o TOYOTA JIDOSHA KABUSHIKI KAISHA |
| 2024/0146,143 | STATOR FOR AN ELECTRIC DRIVE UNIT AND METHOD FOR PRODUCING A STATOR FOR AN ELECTRIC DRIVE UNIT | Jan 11, 24 | May 02, 24 | Bühler Motor GmbH |
| 2024/0052,453 | WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED FATIGUE RESISTANCE AND NITRIDING PROPERTIES, AND METHODS FOR MANUFACTURING SAME | Nov 18, 21 | Feb 15, 24 | POSCO Co., Ltd |
| 2023/0369,950 | PRODUCTION DEVICE FOR PRODUCING A COIL OF AN ELECTRIC MACHINE | Sep 23, 21 | Nov 16, 23 | A. Friedr. Flender GmbH & Co. KG |
| 2022/0385,150 | METHOD FOR SHAPING A CONDUCTOR PIECE ARRANGED IN A STATOR CORE AND CORRESPONDING DEVICE AND THE USE OF SAME | Nov 12, 20 | Dec 01, 22 | GEHRING TECHNOLOGIES GMBH + CO. KG |
| 2022/0371,076 | Multicolored Aluminum Spiral for Paper Binding | May 21, 21 | Nov 24, 22 | Not available |
| 2020/0215,598 | Spring Manufacturing Machine | Nov 15, 19 | Jul 09, 20 | Not available |
| 2019/0260,276 | WAVE WINDING DEVICE AND METHOD FOR PRODUCING A WAVE WINDING | Jan 30, 19 | Aug 22, 19 | Aumann Espelkamp GmbH |
| 2018/0085,818 | SERVO-ROTATING ALL-FUNCTION TOOL MODULE FOR USE WITH SPRING FORMING MACHINE | May 03, 17 | Mar 29, 18 | Not available |
| 2017/0233,844 | STAINLESS STEEL SPRING AND STAINLESS STEEL SPRING MANUFACTURING METHOD | Aug 03, 15 | Aug 17, 17 | Not available |
| 2017/0008,064 | COILING APPARATUS AND METHOD | Jan 30, 15 | Jan 12, 17 | HARRISON SPINKS COMPONENTS LIMITED |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)