C21D 6/008
Containing si
Official title: {containing Si}
C21D6/008 (Containing si) appears on 1,810 US grants and 3,057 published applications in this corpus.
Search patents in C21D- Granted patents
- 1,810
- Published applications
- 3,057
- Assignees
- 429
- Inventors
- 4,034
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 3 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 5 |
| 2008 | 0 | 1 |
| 2009 | 1 | 8 |
| 2010 | 2 | 8 |
| 2011 | 2 | 16 |
| 2012 | 9 | 25 |
| 2013 | 9 | 37 |
| 2014 | 11 | 25 |
| 2015 | 22 | 180 |
| 2016 | 37 | 220 |
| 2017 | 65 | 137 |
| 2018 | 115 | 225 |
| 2019 | 145 | 257 |
| 2020 | 152 | 260 |
| 2021 | 188 | 238 |
| 2022 | 220 | 325 |
| 2023 | 180 | 284 |
| 2024 | 193 | 313 |
| 2025 | 277 | 251 |
| 2026 | 168 | 232 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Forged steel roll for cold rolling6 Oct 2026US 12,752,325 B2Nippon Steel Corporation
- Ultra-high strength cold rolled steel sheet having excellent bendability, and method of manufacturing same6 Oct 2026US 12,753,455 B2Posco
- High-strength electrogalvannealed steel sheet and method for manufacturing the same6 Oct 2026US 12,753,456 B2Jfe Steel Corporation
- Annealing separator composition for grain- oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet6 Oct 2026US 12,753,457 B2Posco
- Hot rolled high strength steel strip having high hole expansion ratio6 Oct 2026US 12,753,461 B2Tata Steel Ijmuiden B.V.
- Steel plate and method for manufacturing same8 Oct 2026US 2026/0308708 A1Posco
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe Steel Corporation
- Steel sheet and plated steel sheet1 Oct 2026US 2026/0297714 A1Nippon Steel Corporation
- Steel sheet and manufacturing method thereof1 Oct 2026US 2026/0297715 A1Posco
- Production and preparation method of carburized gear shaft bars by means of converter process24 Sep 2026US 2026/0286458 A1Bengang Steel Plates Co., Ltd.
Most cited
By later US patents
- Iron-based alloys and methods of making and use thereof42US 9,334,547 B2L. E. Jones Company · 2016
- Method of manufacturing a thin ribbon of magnetic material40US 4,257,830 A1981
- Iron-based alloys and methods of making and use thereof38US 9,458,743 B2L. E. Jones Company · 2016
- High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof37US 10,677,109 B2I. E. Jones Company · 2020
- Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment29US 10,480,054 B2Tenaris Coiled Tubes, LLC · 2019