C21D 9/42
Heat treatment: for armour plate
Official title: for armour plate
C21D9/42 (Heat treatment: for armour plate) appears on 32 US grants and 47 published applications in this corpus.
Search patents in C21D- Granted patents
- 32
- Published applications
- 47
- Assignees
- 35
- Inventors
- 144
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 10 |
| 2013 | 3 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 3 | 5 |
| 2017 | 5 | 2 |
| 2018 | 4 | 3 |
| 2019 | 0 | 3 |
| 2020 | 3 | 3 |
| 2021 | 0 | 2 |
| 2022 | 1 | 4 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Steel sheet, member, and methods for producing the same19 Nov 2024US 12,146,204 B2Jfe Steel Corporation
- Components formed with high strength steel30 Jan 2024US 11,885,289 B2Caterpillar Inc.
- Clad steel plate having excellent strength and formability, and production method therefor5 Jul 2022US 11,377,707 B2Posco
- Armor plate with 2000 MPA-graded tensile strength, and manufacturing method therefor15 Dec 2020US 10,865,458 B2Baoshan Iron & Steel Co., Ltd.
- Dual hardness steel article8 Dec 2020US 10,858,715 B2ATI Properties, Inc.
- Process for obtaining a fine-grained martensitic structure component15 Aug 2024US 2024/0271239 A1Danmarks Tekniske Universitet
- Steel sheet, member, and methods for producing the same17 Nov 2022US 2022/0364198 A1Jfe Steel Corporation
- Components formed with high strength steel3 Nov 2022US 2022/0349370 A1Caterpillar Inc.
- Air-hardened machine components23 Jun 2022US 2022/0195550 A1Caterpillar Inc.
- Iron-based alloy composition, parts produced from this composition and production method19 May 2022US 2022/0154317 A1Coskunoz Kalip Makina Sanayi Ve Ticaret Anonim Sirketi
Most cited
By later US patents
- Armour-plate and process for its manufacture26US 4,645,720 AThyssen Stahl AG · 1987
- Age hardenable alloy with a unique combination of very high strength and good toughness20US 5,866,066 ACRS Holdings, Inc. · 1999
- Case-Hardened plate armor and method of making17US 4,857,119 AGeneral Dynamics Lands Systems, Inc. · 1989
- Steel compositions, methods of forming the same, and articles formed therefrom11US 7,981,521 B2ATI Properties, Inc. · 2011
- Method for producing workpieces from lightweight steel having material properties that are adjustable across the wall thickness10US 9,593,392 B2Salzgitter Flachstahl GmbH · 2017