Class F16F : SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
Subclass 1/14: 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 Torsion springs consisting of bars or tubes
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12179533 | Stabilizer bar assembly and vehicle including the same | Mar 05, 24 | Dec 31, 24 | Hyundai Motor Company; KIA CORPORATION; DaeWon Kang Up Co., Ltd.; |
| 12135068 | Hollow spring and method of manufacturing the same | May 15, 20 | Nov 05, 24 | Mitsubishi Steel Mfg. Co. Ltd. |
| 11965571 | Method for manufacturing spring and spring | May 09, 19 | Apr 23, 24 | Mitsubishi Steel Mfg. Co. Ltd. |
| 11965572 | Polygon prism torsion bar | Apr 09, 21 | Apr 23, 24 | Steering Solutions IP Holding Corporation |
| 11926189 | Electronically controlled sway bar damping link | Apr 16, 21 | Mar 12, 24 | Fox Factory, Inc. |
| 11897700 | Secondary belt cleaner with modular, torsional tensioned arm and replaceable blade tips | Apr 06, 22 | Feb 13, 24 | ASGCO Manufacturing, Inc. |
| 11815156 | Shock absorber and transportation tool | Jan 25, 22 | Nov 14, 23 | Ninebot (Changzhou) Tech Co., Ltd |
| 11787256 | Stabilizing bar for a vehicle | Nov 20, 19 | Oct 17, 23 | Not available |
| 11725707 | Joint for transmitting a torsional load with elastic response | Jul 12, 22 | Aug 15, 23 | Scuola Superiore di Studi Universitari e di Perfezionamento Sant'Anna |
| 11701943 | Method of manufacturing a hollow spring member | Mar 17, 22 | Jul 18, 23 | NHK SPRING CO., LTD |
| 11571943 | Hollow stabilizer, stabilizer manufacturing device, and method for manufacturing hollow stabilizer | Jun 23, 21 | Feb 07, 23 | NHK Spring Co. Ltd. |
| 11505028 | Vehicular holding device | Oct 12, 17 | Nov 22, 22 | Chuo Hatsujo Kabushiki Kaisha |
| 11460085 | Torsion springs with changeable stiffness | Nov 01, 19 | Oct 04, 22 | HRL Laboratories, LLC |
| 11413926 | Stabilizer manufacturing device and method for manufacturing stabilizer | Jul 31, 20 | Aug 16, 22 | NHK Spring Co. LTD |
| 11408478 | Joint for transmitting a torsional load with elastic response | Jun 14, 17 | Aug 09, 22 | Scuola Superiore di Studi Universitari e di Perfezionamento Sant'Anna |
| 11391358 | Worm gear reducer | Jul 18, 17 | Jul 19, 22 | NSK LTD. |
| 11285776 | Hollow spring member and manufacturing method therefor | Sep 28, 18 | Mar 29, 22 | NHK Spring Co. Ltd. |
| 11248714 | Throttle valve device | Jan 03, 20 | Feb 15, 22 | DENSO Corporation |
| 11167615 | Hollow stabilizer, stabilizer manufacturing device, and method for manufacturing hollow stabilizer | Sep 27, 19 | Nov 09, 21 | NHK Spring Co. Ltd. |
| 11131357 | Torsion bar spring | Nov 21, 16 | Sep 28, 21 | Raytheon Company |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0102,034 | TORSION SPRING WITH ADJUSTABLE LENGTH | Aug 14, 24 | Mar 27, 25 | Not available |
| 2024/0384,498 | PROGRAMMING CONTINUOUS EQUILIBRIUM MOTION IN MULTI-DOF SYSTEMS | May 16, 24 | Nov 21, 24 | Not available |
| 2024/0375,474 | ELECTRONICALLY CONTROLLED SWAY BAR DAMPING LINK | Mar 11, 24 | Nov 14, 24 | Fox Factory, Inc. |
| 2024/0026,945 | HUMAN ADAPTABLE VARIABLE STIFFNESS SPRINGS | Jul 25, 23 | Jan 25, 24 | Not available |
| 2019/0331,186 | JOINT FOR TRANSMITTING A TORSIONAL LOAD WITH ELASTIC RESPONSE | Jun 14, 17 | Oct 31, 19 | Not available |
| 2015/0241,691 | METAL ELASTIC MEMBER AND MINIATURE MACHINE | Jun 30, 14 | Aug 27, 15 | HOKUYO AUTOMATIC CO., LTD. |
| 2014/0265,082 | Overhead Door Torsion Spring Adjuster | Mar 14, 13 | Sep 18, 14 | HALDEX BRAKE PRODUCTS CORPORATION |
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