| 2025/0027,190 | CHEMICAL ACTIVATION OF SELF-PASSIVATING METALS | Sep 25, 24 | Jan 23, 25 | Not available |
| 2024/0352,562 | CASE HARDENING STEEL FOR WARM FORGING AND ROUGHLY-SHAPED FORGED MATERIAL MANUFACTURED USING THE SAME | Sep 29, 21 | Oct 24, 24 | AICHI STEEL CORPORATION |
| 2024/0157,204 | Mechanical and Chemical Surface Treatment of a Golf Club Head | Nov 10, 23 | May 16, 24 | Not available |
| 2024/0011,142 | PROCESSING METHOD AND PROCESSING APPARATUS FOR METAL COMPONENT | Nov 16, 21 | Jan 11, 24 | Not available |
| 2023/0212,731 | STEEL COMPONENT | May 17, 21 | Jul 06, 23 | JFE Steel Corporation |
| 2023/0167,534 | METHOD OF TREATING AN ARTICLE | Mar 11, 22 | Jun 01, 23 | FLUID CONTROLS PVT. LTD. |
| 2023/0036,990 | METHOD OF TREATING A MINING INSERT | Dec 18, 20 | Feb 02, 23 | Not available |
| 2022/0252,348 | HEAT TREATMENT MEMBER AND HEAT TREATMENT STRUCTURE | Feb 25, 21 | Aug 11, 22 | Not available |
| 2021/0102,283 | STEEL FOR NITROCARBURIZING AND NITROCARBURIZED COMPONENT, AND METHODS OF PRODUCING SAME | Dec 01, 20 | Apr 08, 21 | JFE Steel Corporation |
| 2021/0072,702 | Watch Component And Watch | Sep 04, 20 | Mar 11, 21 | Not available |
| 2021/0054,469 | SURFACE HARDENING METHOD USING POST HEAT TREATMENT OF ALUMINUM ALLOY OXIDE LAYER | Jul 08, 20 | Feb 25, 21 | Not available |
| 2021/0025,017 | CASE HARDENED TITANIUM PARTS AND METHOD FOR MAKING THE SAME | Jul 25, 19 | Jan 28, 21 | The Boeing Company |
| 2020/0378,442 | BEARING PART AND ROLLING BEARING | Dec 05, 18 | Dec 03, 20 | Not available |
| 2020/0190,609 | SURFACE HARDENING TREATMENT DEVICE AND SURFACE HARDENING TREATMENT METHOD | Jul 06, 18 | Jun 18, 20 | Not available |
| 2020/0149,125 | PRODUCING A PARTIALLY HARDENED FORMED PART | Jan 13, 20 | May 14, 20 | Not available |
| 2020/0087,743 | SURFACE HARDENING OF SUBSTRATES BY A PARTICLE-CONTAINING CAVITATING WATERJET | Mar 21, 18 | Mar 19, 20 | Not available |
| 2020/0040,414 | METHODS AND PROCESSES OF FORMING GEARS | Oct 14, 19 | Feb 06, 20 | Not available |
| 2019/0352,728 | Method For Railway Rolling Stock Unit Center Plate Strengthening And A Device to Perform It | May 16, 19 | Nov 21, 19 | Rail 1520 IP Ltd. |
| 2019/0292,646 | CASE HARDENED COMPONENT OF TITANIUM | Jun 02, 17 | Sep 26, 19 | Not available |
| 2019/0284,653 | Surface Treatment Process | May 17, 17 | Sep 19, 19 | Commonwealth Steel Company Pty Ltd |