Class C21D : MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
Subclass 1/09: General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (furnaces in general F27; electric heating H05B) Surface hardening by direct application of electrical or wave energy; by particle radiation
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12258641 | Method and system for heating using an energy beam | Dec 20, 19 | Mar 25, 25 | ETXE-TAR, S.A. |
| 12241136 | Method and system for cooling hot objects | Jun 05, 19 | Mar 04, 25 | Infrasonik AB |
| 12241431 | Laser hardened pattern array in cylinder bores | Feb 26, 24 | Mar 04, 25 | GM Global Technology Operations LLC |
| 12158120 | Cylinder head, cylinder block, internal combustion engine, and method for manufacturing cylinder head | Jul 19, 23 | Dec 03, 24 | MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD. |
| 11994084 | Cylinder head, cylinder block, internal combustion engine, and method for manufacturing cylinder head | Apr 15, 21 | May 28, 24 | MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD. |
| 11898214 | Method and system for heat treating a workpiece | Feb 26, 21 | Feb 13, 24 | ETXE-TAR, S.A. |
| 11821053 | System for conditioning material using a laser and method thereof | Jun 30, 16 | Nov 21, 23 | Magna International Inc. |
| 11697858 | Surface-hardened, rotationally symmetrical workpiece, hardening method and hardening apparatus | May 25, 18 | Jul 11, 23 | WALZENGIESSEREI COSWIG GMBH |
| 11584969 | High fatigue strength components requiring areas of high hardness | Mar 11, 20 | Feb 21, 23 | Metal Improvement Company LLC |
| 11548568 | Vehicle structure and method for strengthening vehicle steel plate | Jan 24, 20 | Jan 10, 23 | 501 Toyota Jidosha Kabushiki Kaisha |
| 11542571 | Laser shock and supersonic vibration extrusion co-strengthening device and method | May 18, 17 | Jan 03, 23 | Jiangsu University |
| 11470928 | Silver jewelry and method for producing the same | Jan 31, 20 | Oct 18, 22 | MISTY COLLECTION Co., LTD. |
| 11447837 | Combined fabricating method for gradient nanostructure in surface layer of metal workpiece | Jun 08, 17 | Sep 20, 22 | JIANGSU UNIVERSITY |
| 11447849 | Non-heat treated steel for induction hardening | Apr 25, 17 | Sep 20, 22 | Nippon Steel Corporation |
| 11414718 | Method for the surface treatment of a steel Yankee | Mar 22, 18 | Aug 16, 22 | Andritz AG |
| 11408050 | Component manufacturing method and component | Aug 23, 18 | Aug 09, 22 | 501 Toyota Jidosha Kabushiki Kaisha |
| 11401565 | Sheet metal forming die laser surface hardening process | May 17, 19 | Aug 02, 22 | FCA US LLC |
| 11261502 | Method and system for cooling hot components | Jun 19, 19 | Mar 01, 22 | GESTAMP HARDTECH AB |
| 11225696 | Delivery device usable in laser peening operation, and associated method | Apr 15, 20 | Jan 18, 22 | Westinghouse Electric Company LLC |
| 11193178 | Thermal processing of closed shape workpieces | Aug 09, 18 | Dec 07, 21 | BEIJING E-TOWN SEMICONDUCTOR TECHNOLOGY, CO., LTD; Mattson Technology Inc.; |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0075,767 | LASER HARDENING LOW-CARBON STEEL DAMPER TUBES | Sep 05, 23 | Mar 06, 25 | Not available |
| 2024/0279,761 | LASER HARDENING OF CYLINDER BORE | Feb 17, 23 | Aug 22, 24 | Not available |
| 2024/0102,120 | METHOD FOR LASER HARDENING OF A CARD WIRE | Dec 17, 21 | Mar 28, 24 | Not available |
| 2023/0257,840 | METHOD FOR LASER HARDENING A SUBSTANTIALLY CYLINDRICAL SURFACE OF A WORKPIECE | Apr 21, 23 | Aug 17, 23 | Not available |
| 2023/0078,751 | VOLUME HEAT TREATMENT METHOD AND RELATED SYSTEM | Jan 22, 21 | Mar 16, 23 | Not available |
| 2022/0282,347 | METHOD AND DEVICE FOR PRODUCING A PRESSING TOOL | Aug 12, 20 | Sep 08, 22 | Hueck Rheinische GmbH |
| 2022/0258,281 | METHOD AND SYSTEM FOR HEATING USING AN ENERGY BEAM | May 28, 20 | Aug 18, 22 | Not available |
| 2021/0214,814 | METHOD AND SYSTEM FOR HEAT TREATING A WORKPIECE | Feb 26, 21 | Jul 15, 21 | Not available |
| 2021/0180,144 | Method for improving the formability of steel blanks | Aug 30, 19 | Jun 17, 21 | Not available |
| 2020/0362,426 | SHEET METAL FORMING DIE LASER SURFACE HARDENING PROCESS | May 17, 19 | Nov 19, 20 | Not available |
| 2020/0199,698 | METHOD FOR REINFORCING RAIL BY LASER AND AUXILIARY HEAT SOURCE EFFICIENT HYBRID CLADDING | Jan 18, 19 | Jun 25, 20 | Wuhan Hivalue Intelaser Ltd.; Huazhong University of Science and Technology; WUHAN NRD LASER ENGINEERING CO.,LTD; |
| 2020/0199,697 | Method for the Surface Treatment of a Steel Yankee | Mar 22, 18 | Jun 25, 20 | Not available |
| 2020/0181,722 | A COMBINED FABRICATING METHOD FOR GRADIENT NANOSTRUCTURE IN SURFACE LAYER OF METAL WORKPIECE | Jun 08, 17 | Jun 11, 20 | Not available |
| 2019/0218,634 | LASER HEAT-TREATED SHAFT AND METHOD OF MAKING THE SAME | Jan 15, 18 | Jul 18, 19 | Not available |
| 2019/0002,997 | METHOD AND SYSTEM FOR LASER HARDENING OF A SURFACE OF A WORKPIECE | Sep 10, 18 | Jan 03, 19 | Not available |
| 2018/0361,509 | Powder-Bed-Based Additive Manufacturing Method With Surface Post-Treatment | Jun 29, 16 | Dec 20, 18 | Siemens Aktiengesellschaft |
| 2018/0327,872 | DEVICE AND METHOD FOR PROVIDING A SELECTIVE HEAT TREATMENT ON A METAL SHEET | Nov 13, 15 | Nov 15, 18 | Not available |
| 2018/0258,509 | A KIND OF UNIFORM STRENGTHENING METHODS OF TURBINE BLADE SUBJECTED TO VARIED SQUARE-SPOT LASER SHOCK PEENING WITH STAGGER MULTIPLE-LAYER | Sep 09, 15 | Sep 13, 18 | Not available |
| 2018/0148,808 | ALLOY CAST IRON HAVING IMPROVED WEAR RESISTANCE, AND PISTON RING COMPRISING SAME | Mar 09, 17 | May 31, 18 | Not available |
| 2018/0071,864 | METHOD AND SYSTEM FOR HEAT TREATMENT OF SHEET METAL | Mar 15, 16 | Mar 15, 18 | Not available |
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