B21C 23/22
Making metal-coated products
Official title: Making metal-coated products; Making products from two or more metals
B21C23/22 (Making metal-coated products) appears on 183 US grants and 111 published applications in this corpus.
Search patents in B21C- Granted patents
- 183
- Published applications
- 111
- Assignees
- 130
- Inventors
- 433
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 4 |
| 2004 | 2 | 1 |
| 2005 | 2 | 8 |
| 2006 | 3 | 10 |
| 2007 | 4 | 6 |
| 2008 | 1 | 4 |
| 2009 | 0 | 6 |
| 2010 | 5 | 7 |
| 2011 | 4 | 2 |
| 2012 | 2 | 2 |
| 2013 | 3 | 5 |
| 2014 | 6 | 5 |
| 2015 | 7 | 5 |
| 2016 | 3 | 1 |
| 2017 | 3 | 3 |
| 2018 | 2 | 7 |
| 2019 | 4 | 4 |
| 2020 | 4 | 7 |
| 2021 | 2 | 5 |
| 2022 | 4 | 9 |
| 2023 | 8 | 3 |
| 2024 | 3 | 5 |
| 2025 | 7 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation method for heterogeneous Mg alloys bar with high elastic modulus9 Dec 2025US 12,492,459 B2Jiangsu University
- Shape processes, feedstock materials, conductive materials and/or assemblies2 Sep 2025US 12,403,516 B2Battelle Memorial Institute
- Shear-assisted extrusion assemblies and methods26 Aug 2025US 12,397,334 B2Battelle Memorial Institute
- Functionally graded coatings and claddings5 Aug 2025US 12,377,455 B2Battelle Memorial Institute
- Devices and methods for performing shear-assisted extrusion, extrusion feedstocks, extrusion processes, and methods for preparing metal sheets24 Jun 2025US 12,337,366 B2Battelle Memorial Institute
- Extruded structural component for a motor vehicle and method for its manufacture10 Sep 2026US 2026/0265876 A1Benteler Automobiltechnik GmbH
- Extrusion method and apparatus26 Mar 2026US 2026/0084196 A1
- Preparation Method for Heterogeneous Mg Alloys Bar with High Elastic Modulus31 Oct 2024US 2024/0360539 A1Jiangsu University
- Shear-assisted extrusion assemblies and methods19 Sep 2024US 2024/0307939 A1Battelle Memorial Institute
- Compacted steel strand with cladded core15 Feb 2024US 2024/0052565 A1NV Bekaert SA
Most cited
By later US patents
- Forming metallic composite materials by urging base materials together under shear69US 5,262,123 AThe Welding Institute · 1993
- Battery grid structure made of composite wire58US 4,865,933 A1989
- Method for making metal cladded metal matrix composite wire46US 7,131,308 B23M Innovative Properties Company · 2006
- Method for making radioactive metal articles having small dimensions41US 6,132,677 ALockheed Martin Energy Research Corporation · 2000
- Process for manufacturing clad metal tubing36US 5,056,209 ASumitomo Metal Industries, Ltd. · 1991