C21D 2211/001
Austenite
C21D2211/001 (Austenite) appears on 1,441 US grants and 2,326 published applications in this corpus.
Search patents in C21D- Granted patents
- 1,441
- Published applications
- 2,326
- Assignees
- 460
- Inventors
- 3,464
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 0 |
| 2002 | 6 | 5 |
| 2003 | 10 | 15 |
| 2004 | 10 | 12 |
| 2005 | 5 | 7 |
| 2006 | 3 | 14 |
| 2007 | 4 | 16 |
| 2008 | 6 | 31 |
| 2009 | 11 | 28 |
| 2010 | 13 | 33 |
| 2011 | 20 | 40 |
| 2012 | 20 | 37 |
| 2013 | 20 | 49 |
| 2014 | 23 | 82 |
| 2015 | 31 | 81 |
| 2016 | 35 | 93 |
| 2017 | 46 | 126 |
| 2018 | 64 | 145 |
| 2019 | 97 | 202 |
| 2020 | 96 | 197 |
| 2021 | 114 | 197 |
| 2022 | 195 | 179 |
| 2023 | 132 | 233 |
| 2024 | 130 | 194 |
| 2025 | 186 | 153 |
| 2026 | 116 | 157 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High strength steel sheet and method of producing same6 Oct 2026US 12,753,454 B2Jfe Steel Corporation
- Hot rolled high strength steel strip having high hole expansion ratio6 Oct 2026US 12,753,461 B2Tata Steel Ijmuiden B.V.
- High-strength alloyed hot-dip galvanized steel sheet and manufacturing method therefor6 Oct 2026US 12,753,477 B2Kobe Steel, Ltd.
- High-strength stainless steel seamless pipe for oil country tubular goods and method for manufacturing same22 Sep 2026US 12,742,221 B2Jfe Steel Corporation
- Method for manufacturing hot-dip galvanized steel sheet, and steel sheet and vehicle component22 Sep 2026US 12,742,222 B2Baoshan Iron & Steel Co., Ltd.
- A cold rolled martensitic steel and a method of martensitic steel thereof8 Oct 2026US 2026/0308706 A1
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe Steel Corporation
- Highly formable and easily phosphated high-manganese cold-rolled steel plate having tensile strength of 1000-1600 mpa, and manufacturing method therefor24 Sep 2026US 2026/0286455 A1Baoshan Iron & Steel Co., Ltd.
- High-strength cold-rolled steel sheet, hot-dipped galvanized steel sheet, alloyed hot-dipped galvanized steel sheet, and methods for producing of these24 Sep 2026US 2026/0286456 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Steel sheet, member, and methods for producing the same24 Sep 2026US 2026/0286479 A1Jfe Steel Corporation
Most cited
By later US patents
- Time sequenced heating of multiple layers in a hydrocarbon containing formation225US 7,635,023 B2Shell Oil Company · 2009
- Temperature limited heaters using phase transformation of ferromagnetic material186US 7,597,147 B2Shell Oil Company · 2009
- Wellhead with non-ferromagnetic materials184US 7,533,719 B2Shell Oil Company · 2009
- Compositions produced using an in situ heat treatment process172US 7,604,052 B2Shell Oil Company · 2009
- Sour gas injection for use with in situ heat treatment163US 7,610,962 B2Shell Oil Company · 2009