C22C 21/04
Modified aluminium-silicon alloys
C22C21/04 (Modified aluminium-silicon alloys) appears on 272 US grants and 346 published applications in this corpus.
Search patents in C22C- Granted patents
- 272
- Published applications
- 346
- Assignees
- 210
- Inventors
- 851
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 4 |
| 2002 | 3 | 2 |
| 2003 | 7 | 6 |
| 2004 | 5 | 8 |
| 2005 | 4 | 5 |
| 2006 | 1 | 3 |
| 2007 | 0 | 5 |
| 2008 | 1 | 4 |
| 2009 | 1 | 7 |
| 2010 | 2 | 8 |
| 2011 | 3 | 7 |
| 2012 | 3 | 10 |
| 2013 | 6 | 13 |
| 2014 | 7 | 27 |
| 2015 | 9 | 23 |
| 2016 | 18 | 19 |
| 2017 | 15 | 26 |
| 2018 | 16 | 27 |
| 2019 | 16 | 29 |
| 2020 | 11 | 19 |
| 2021 | 13 | 22 |
| 2022 | 19 | 16 |
| 2023 | 14 | 24 |
| 2024 | 13 | 14 |
| 2025 | 18 | 11 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Strip made of 6XXX alloy and manufacturing process25 Aug 2026US 12,716,121 B2Constellium Muscle Soals LLC
- Methods and systems for die casting4 Aug 2026US 12,698,547 B2MetaLi LLC
- Battery tray bottom for electric vehicles23 Jun 2026US 12,662,722 B2Constellium Neuf-Brisach
- Steel sheet for hot press forming, method of producing steel sheet for hot press forming, and method of producing hot pressed member19 May 2026US 12,629,741 B2Jfe Steel Corporation
- Method for hardening a sheet or strip made of an aluminum alloy, and sheet or strip produced using said method3 Feb 2026US 12,540,381 B2Amag Rolling GmbH
- Powder material, method of manufacturing threedimensional object, and method of manufacturing joined object23 Jul 2026US 2026/0208262 A1Ricoh Company, Ltd.
- Aluminum alloy material, aluminum alloy structural component, battery box, battery system, electric apparatus, preparation method, and application23 Jul 2026US 2026/0209904 A1Contemporary Amperex Technology Co., Limited
- Heat exchanger and air conditioner comprising same23 Jul 2026US 2026/0210648 A1Samsung Electronics Co., Ltd.
- Aluminum alloy material, aluminum alloy structural component and preparation method thereof, battery box, battery system, electric apparatus, and application16 Jul 2026US 2026/0201509 A1Contemporary Amperex Technology Co., Limited
- Flat Steel Product for Producing a Steel Component by Hot Forming, Method for The Production Thereof and Method for Producing the Steel Component21 May 2026US 2026/0139339 A1ThyssenKrupp Steel Europe AG
Most cited
By later US patents
- Method of manufacturing sheets, strips and foils from age hardenable aluminum alloys of the Al-Si-Mg-type46US 4,174,232 ASwiss Aluminium Ltd. · 1979
- High strength aluminum alloy for high temperature applications36US 6,918,970 B2The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2005
- High strength wear resistant aluminium alloys and process30US 4,434,014 AComalco Limited · 1984
- Aluminum alloy and method for producing the same29US 4,702,885 ASumitomo Electric Industries, Ltd. · 1987
- Aluminum alloys having improved mechanical properties and workability and method of making same25US 4,077,810 AHitachi, Ltd. · 1978