C21D 9/48
Deep-drawing sheets
Official title: deep-drawing sheets
C21D9/48 (Deep-drawing sheets) appears on 425 US grants and 621 published applications in this corpus.
Search patents in C21D- Granted patents
- 425
- Published applications
- 621
- Assignees
- 139
- Inventors
- 1,153
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 12 |
| 2005 | 3 | 2 |
| 2006 | 3 | 2 |
| 2007 | 3 | 1 |
| 2008 | 2 | 12 |
| 2009 | 2 | 16 |
| 2010 | 6 | 26 |
| 2011 | 12 | 27 |
| 2012 | 5 | 22 |
| 2013 | 13 | 30 |
| 2014 | 18 | 31 |
| 2015 | 22 | 26 |
| 2016 | 13 | 20 |
| 2017 | 18 | 39 |
| 2018 | 17 | 38 |
| 2019 | 26 | 38 |
| 2020 | 25 | 48 |
| 2021 | 34 | 47 |
| 2022 | 30 | 54 |
| 2023 | 39 | 43 |
| 2024 | 47 | 31 |
| 2025 | 36 | 31 |
| 2026 | 17 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel sheet1 Sep 2026US 12,723,295 B2Nippon Steel Corporation
- Steel aerosol monobloc11 Aug 2026US 12,703,901 B2ArcelorMittal
- Steel sheet and press-formed article16 Jun 2026US 12,655,511 B2Nippon Steel Corporation
- Al—Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics, hot forming member, and manufacturing methods therefor2 Jun 2026US 12,644,170 B2Posco
- Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and manufacturing methods therefor26 May 2026US 12,637,727 B2Posco
- Blank, production method for structural member and structural member1 Oct 2026US 2026/0296583 A1Nippon Steel Corporation
- Hot stamping component and manufacturing method therefor27 Aug 2026US 2026/0249342 A1Hyundai Steel Company
- Press hardened steel part having high-strength and improved ductility27 Aug 2026US 2026/0250797 A1
- Steel sheet for hot-stamping, method for manufacturing steel sheet for hot-stamping, and hot-stamped formed body27 Aug 2026US 2026/0250815 A1Nippon Steel Corporation
- High-tensile steel having improved hydrogen embrittlement resistance13 Aug 2026US 2026/0233274 A1ThyssenKrupp Steel Europe AG
Most cited
By later US patents
- Method and apparatus for the production of locally reinforced sheet-metal mouldings and products made thereby32US 7,137,201 B2DaimlerChrysler AG · 2006
- High strength galvanized steel sheet having excellent formability, weldability, and fatigue properties and method for manufacturing the same20US 8,828,557 B2Jfe Steel Corporation · 2014
- High-strength cold-rolled steel sheet and method of manufacturing thereof18US 8,951,366 B2Nippon Steel & Sumitomo Metal Corporation · 2015
- Method of producing non-ageing cold rolled steel sheets17US 4,339,284 AKawasaki Steel Corporation · 1982
- Steel plate exhibiting excellent workability and method for producing the same15US 7,534,312 B2Nippon Steel Corporation · 2009