C21D 8/1288
Application of a tension-inducing coating
Official title: {Application of a tension-inducing coating}
C21D8/1288 (Application of a tension-inducing coating) appears on 110 US grants and 133 published applications in this corpus.
Search patents in C21D- Granted patents
- 110
- Published applications
- 133
- Assignees
- 19
- Inventors
- 199
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 4 |
| 2003 | 2 | 4 |
| 2004 | 3 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 12 |
| 2014 | 1 | 6 |
| 2015 | 2 | 4 |
| 2016 | 5 | 10 |
| 2017 | 5 | 4 |
| 2018 | 6 | 11 |
| 2019 | 4 | 7 |
| 2020 | 5 | 6 |
| 2021 | 8 | 12 |
| 2022 | 6 | 10 |
| 2023 | 6 | 6 |
| 2024 | 10 | 13 |
| 2025 | 8 | 8 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grain-oriented electrical steel sheet and method for forming insulating coating23 Jun 2026US 12,665,112 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating16 Jun 2026US 12,655,502 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating16 Jun 2026US 12,655,503 B2Nippon Steel Corporation
- Method for manufacturing grain-oriented electrical steel sheet26 May 2026US 12,640,292 B2Jfe Steel Corporation
- Method of manufacturing grain-oriented electrical steel sheet12 May 2026US 12,626,844 B2Jfe Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0275442 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0279628 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0279630 A1Nippon Steel Corporation
- Method for manufacturing grain-oriented electrical steel sheet6 Aug 2026US 2026/0226576 A1Nippon Steel Corporation
- Method for manufacturing grain-oriented electrical steel sheet30 Jul 2026US 2026/0218346 A1Nippon Steel Corporation
Most cited
By later US patents
- Grain-oriented electrical steel sheet and method of manufacturing the same20US 5,718,775 AKawasaki Steel Corporation · 1998
- Method for producing a grain-oriented magnetic steel sheet having good magnetic properties15US 4,318,758 ANippon Steel Corporation · 1982
- Method for manufacturing non-oriented electrical steel sheet showing superior adherence of insulating coated layer15US 5,803,988 APohang Iron & Steel Co., Ltd. · 1998
- Grain oriented silicon steel sheet having low core loss and method of manufacturing same15US 5,961,744 ANippon Steel Corporation · 1999
- Grain-oriented electrical steel sheet and method of manufacturing the same12US 5,853,499 AKawasaki Steel Corporation · 1998