C21D 1/30
Stress-relieving
C21D1/30 (Stress-relieving) appears on 193 US grants and 233 published applications in this corpus.
Search patents in C21D- Granted patents
- 193
- Published applications
- 233
- Assignees
- 175
- Inventors
- 605
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 1 |
| 2005 | 3 | 7 |
| 2006 | 1 | 3 |
| 2007 | 3 | 2 |
| 2008 | 3 | 9 |
| 2009 | 1 | 7 |
| 2010 | 3 | 7 |
| 2011 | 3 | 5 |
| 2012 | 1 | 2 |
| 2013 | 7 | 10 |
| 2014 | 1 | 8 |
| 2015 | 4 | 16 |
| 2016 | 9 | 16 |
| 2017 | 8 | 12 |
| 2018 | 15 | 14 |
| 2019 | 15 | 7 |
| 2020 | 9 | 15 |
| 2021 | 4 | 10 |
| 2022 | 7 | 18 |
| 2023 | 14 | 18 |
| 2024 | 15 | 18 |
| 2025 | 16 | 15 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electron beam additive manufacturing system and control components15 Sep 2026US 12,734,582 B2Sciaky, Inc.
- Method for manufacturing grain-oriented electrical steel sheet8 Sep 2026US 12,729,412 B2Jfe Steel Corporation
- Steel wire28 Apr 2026US 12,612,675 B2Nippon Steel Corporation
- Method for repairing a component by heat treating14 Apr 2026US 12,601,023 B2Caterpillar Motoren GmbH & Co. KG
- Non-oriented electrical steel sheet, motor core, and production methods thereof14 Apr 2026US 12,601,038 B2Jfe Steel Corporation
- High-strength and low-iron-loss non-oriented electrical steel plate and manufacturing method therefor17 Sep 2026US 2026/0275466 A1Baoshan Iron & Steel Co., Ltd.
- Vehicle body frame member and manufacturing method of the same2 Jul 2026US 2026/0184371 A1Toyota Jidosha Kabushiki Kaisha
- Hot-rolled non-oriented electrical steel sheet and method for manufacturing same18 Jun 2026US 2026/0168062 A1Posco
- Non-oriented electrical steel sheet, method for producing the same, and motor core16 Apr 2026US 2026/0103771 A1Jfe Steel Corporation
- Rotating electrical machine, stator core and rotor core set, method for manufacturing rotating electrical machine, method for manufacturing non-oriented electrical steel sheet, method for manufacturing rotor and stator of rotating electrical machine, and non-oriented electrical steel sheet set16 Apr 2026US 2026/0106522 A1Nippon Steel Corporation
Most cited
By later US patents
- Heat management drilling system and method51US 6,374,932 B12002
- Manufacturing method for hollow stabilizer35US 6,682,610 B1NHK Spring Co., Ltd. · 2004
- Method of making a metallic thin wire for a medical tool30US 7,434,437 B2Asahi Intec Co., Ltd. · 2008
- Repaired turbine rotor wheel27US 6,494,683 B1General Electric Company · 2002
- Method and apparatus for annealing nuclear reactor pressure vessels25US 5,264,056 AElectric Power Research Institute, Inc. · 1993