Class F16F : SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
Subclass 1/04: Springs (working with fluid F16F 5/00, F16F 9/00) made of steel or other material having low internal friction (F16F 1/36 takes precedence); Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant Wound springs
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12224079 | Copper-coated steel wire, spring, stranded wire, insulated electric wire, and cable | Jun 28, 19 | Feb 11, 25 | Sumitomo Electric Industries, Ltd. |
| 12181012 | Damper spring | Oct 15, 20 | Dec 31, 24 | 501 Nippon Steel Corporation; AISIN CORPORATION; NHK Spring Co. LTD; NIPPON STEEL SG WIRE CO., LTD.; |
| 12173766 | Highly durable spring and method of coating the same | Mar 08, 17 | Dec 24, 24 | Chuo Hatsujo Kabushiki Kaisha; Shinto Paint Co. Ltd.; |
| 12128553 | Infinite-rotation infinite-stiffness variable stiffness actuator (IRISVSA) with application for compliant supernumerary robotic limb | Oct 18, 22 | Oct 29, 24 | Khalifa University of Science and Technology & Research (Kustar) |
| 12092181 | Wave spring | May 26, 22 | Sep 17, 24 | Aktiebolaget SKF |
| 12066073 | Electromechanical spring system | Jun 10, 20 | Aug 20, 24 | Barnes Group Inc. |
| 12025199 | Cable gland | Dec 22, 23 | Jul 02, 24 | PFLITSCH GMBH & CO. KG |
| 12013191 | Coiled spring | Oct 20, 21 | Jun 18, 24 | Katz Water Tech, LLC |
| 11965571 | Method for manufacturing spring and spring | May 09, 19 | Apr 23, 24 | Mitsubishi Steel Mfg. Co. Ltd. |
| 11940031 | Coil spring | Mar 24, 22 | Mar 26, 24 | NHK Spring Co. Ltd. |
| 11919347 | Coil spring for vehicle suspension system | Mar 18, 22 | Mar 05, 24 | APM Engineering and Research Sdn. Bhd. |
| 11872858 | Vehicle suspension assembly and method | Apr 28, 21 | Jan 16, 24 | Not available |
| 11867247 | Multiple variable turn wave springs, methods of pre-loading components with said springs, and methods of manufacturing said springs | Sep 06, 22 | Jan 09, 24 | Rotor Clip Company Inc. |
| 11852211 | Additively manufactured elliptical bifurcating torsion spring | Sep 10, 20 | Dec 26, 23 | BAE Systems Information and Electronic Systems Integration Inc. |
| 11821485 | Coil spring | Jun 01, 22 | Nov 21, 23 | NHK Spring Co. Ltd. |
| 11814936 | Apparatus and method for securing end pieces to a mandrel | Feb 25, 22 | Nov 14, 23 | Flowco Production Solutions, LLC |
| 11815172 | Filtering pulley | Feb 23, 18 | Nov 14, 23 | DAYCO EUROPE S.R.L CON UNICO SOCIO |
| 11746848 | Buffer bracket | Dec 07, 22 | Sep 05, 23 | Futaijing Precision Electronics (Yantai) Co., Ltd.; Hon Hai Precision Industry Co., Ltd; |
| 11718133 | Chassis control arm | Oct 29, 20 | Aug 08, 23 | THK Co., LTD. |
| 11719298 | Coil spring | Jun 30, 21 | Aug 08, 23 | Suncall Corporation; Toyota Jidosha Kabushiki Kaisha; |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0092,931 | PRELOAD ADJUSTER | Sep 19, 23 | Mar 20, 25 | Not available |
| 2025/0067,315 | HIGHLY DURABLE SPRING AND METHOD OF COATING THE SAME | Nov 07, 24 | Feb 27, 25 | Chuo Hatsujo Kabushiki Kaisha; Shinto Paint Co., Ltd.; |
| 2025/0010,499 | INFINITE-ROTATION INFINITE-STIFFNESS VARIABLE STIFFNESS ACTUATOR (IRISVSA) WITH APPLICATION FOR COMPLIANT SUPERNUMERARY ROBOTIC LIMB | Sep 23, 24 | Jan 09, 25 | Not available |
| 2024/0229,884 | COIL SPRING, SUSPENSION DEVICE, AND METHOD FOR PRODUCING COIL SPRING | Dec 29, 23 | Jul 11, 24 | NHK SPRING CO., LTD. |
| 2024/0133,440 | COIL SPRING, SUSPENSION DEVICE, AND METHOD FOR PRODUCING COIL SPRING | Dec 29, 23 | Apr 25, 24 | NHK SPRING CO., LTD. |
| 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 |
| 2023/0392,662 | COIL SPRING | Jun 01, 22 | Dec 07, 23 | NHK Spring Co., Ltd. |
| 2023/0304,558 | COIL SPRING | May 22, 23 | Sep 28, 23 | NHK SPRING CO., LTD. |
| 2023/0304,557 | COIL SPRING | Mar 24, 22 | Sep 28, 23 | NHK SPRING CO., LTD. |
| 2023/0304,556 | COIL SPRING | Dec 07, 22 | Sep 28, 23 | NHK SPRING CO., LTD. |
| 2022/0163,083 | SYSTEMS AND METHODS FOR PROVIDING ADVANCED SPRINGS | Feb 14, 22 | May 26, 22 | Not available |
| 2020/0217,384 | COIL SPRINGS WITH NON-LINEAR LOADING RESPONSES AND MATTRESSES INCLUDING THE SAME | Mar 20, 20 | Jul 09, 20 | Not available |
| 2019/0277,363 | TORSION SPRING ASSEMBLY, CAMSHAFT PHASER AND BELT OR CHAIN TIGHTENER THEREWITH | May 26, 17 | Sep 12, 19 | Not available |
| 2019/0186,571 | DRIVE DEVICE AND PUMP DEVICE | Apr 24, 17 | Jun 20, 19 | Mikuni Corporation |
| 2019/0154,096 | WIRED MATERIAL FOR CANTED COIL SPRING, CANTED COIL SPRING, AND MANUFACTURING METHODS THEREFOR | Apr 10, 17 | May 23, 19 | Not available |
| 2018/0320,747 | Springs with Dynamically Variable Stiffness and Actuation Capability | Nov 03, 16 | Nov 08, 18 | Not available |
| 2018/0149,224 | Force-Limiting and Damping Device | Jan 24, 18 | May 31, 18 | Not available |
| 2018/0135,714 | CANTED COIL SPRING WITH LONGITUDINAL COMPONENT WITHIN AND RELATED METHODS | Jan 12, 18 | May 17, 18 | Bal Seal Engineering, Inc. |
| 2017/0204,927 | BALL SCREW ASSEMBLY FOR SPRING DOWNFORCE ACTUATOR ADJUSTMENT | Jan 18, 17 | Jul 20, 17 | RETAIL SPACE SOLUTIONS LLC, STEERING SOLUTIONS IP HOLDING CORPORATION, |
| 2016/0281,812 | Thickness Increase Spring | Feb 25, 14 | Sep 29, 16 | Not available |
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