C21D 8/1266
Between cold rolling steps
Official title: {between cold rolling steps}
C21D8/1266 (Between cold rolling steps) appears on 160 US grants and 202 published applications in this corpus.
Search patents in C21D- Granted patents
- 160
- Published applications
- 202
- Assignees
- 45
- Inventors
- 348
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 3 | 3 |
| 2012 | 2 | 2 |
| 2013 | 2 | 6 |
| 2014 | 1 | 5 |
| 2015 | 1 | 7 |
| 2016 | 1 | 4 |
| 2017 | 11 | 9 |
| 2018 | 2 | 12 |
| 2019 | 4 | 10 |
| 2020 | 3 | 7 |
| 2021 | 8 | 10 |
| 2022 | 8 | 27 |
| 2023 | 10 | 15 |
| 2024 | 13 | 30 |
| 2025 | 18 | 18 |
| 2026 | 11 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of producing grain-oriented electrical steel sheet and annealing separator used for same1 Sep 2026US 12,723,293 B2Jfe Steel Corporation
- Method for fabricating a substantially equiatomic FeCo-alloy cold-rolled strip or sheet, and magnetic part cut from same18 Aug 2026US 12,709,790 B2Aperam
- Method for producing non-oriented electrical steel sheet28 Jul 2026US 12,692,569 B2Jfe Steel Corporation
- Method for producing grain-oriented electrical steel sheet14 Jul 2026US 12,680,149 B2Jfe Steel Corporation
- Method for producing grain-oriented electrical steel sheet23 Jun 2026US 12,662,724 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.
- Non-oriented electrical steel sheet17 Sep 2026US 2026/0279631 A1Jfe Steel Corporation
- Method for producing electrical steel sheet, and cold-rolled sheet27 Aug 2026US 2026/0250809 A1Jfe Steel Corporation
- Non-oriented electrical steel sheet, motor core, and motor13 Aug 2026US 2026/0234763 A1Nippon Steel Corporation
- Method for manufacturing grain-oriented electrical steel sheet6 Aug 2026US 2026/0226576 A1Nippon Steel Corporation
Most cited
By later US patents
- Bit allocation method for controlling transmission rate of video encoder41US 5,532,746 AKorea Telecommunication Authority · 1996
- Process for producing nonoriented silicon sheet steel having excellent magnetic properties in the rolling direction26US 4,046,602 AUnited States Steel Corporation · 1977
- Method for cold rolling of a high magnetic flux density grain-oriented electrical steel sheet or strip having excellent properties16US 3,933,024 ANippon Steel Corporation · 1976
- Process for improving magnetic performance in a free-machining ferritic stainless steel15US 5,769,974 ACRS Holdings, Inc. · 1998
- Method of making cold-rolled sheet for electrical purposes14US 3,971,678 AStahlwerke Peine-Salzgitter AG · 1976