C22C 21/12
Alloys based on aluminium: with copper as the next major constituent
Official title: with copper as the next major constituent
C22C21/12 (Alloys based on aluminium: with copper as the next major constituent) appears on 565 US grants and 727 published applications in this corpus.
Search patents in C22C- Granted patents
- 565
- Published applications
- 727
- Assignees
- 353
- Inventors
- 1,631
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 7 |
| 2002 | 11 | 9 |
| 2003 | 8 | 13 |
| 2004 | 3 | 9 |
| 2005 | 4 | 15 |
| 2006 | 3 | 13 |
| 2007 | 7 | 16 |
| 2008 | 7 | 17 |
| 2009 | 8 | 25 |
| 2010 | 9 | 18 |
| 2011 | 14 | 31 |
| 2012 | 11 | 35 |
| 2013 | 10 | 17 |
| 2014 | 19 | 28 |
| 2015 | 20 | 42 |
| 2016 | 19 | 65 |
| 2017 | 22 | 48 |
| 2018 | 34 | 43 |
| 2019 | 41 | 51 |
| 2020 | 31 | 38 |
| 2021 | 23 | 55 |
| 2022 | 48 | 31 |
| 2023 | 33 | 31 |
| 2024 | 24 | 34 |
| 2025 | 19 | 20 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Homogenizing heterogeneous foils for light alloy metal parts8 Sep 2026US 12,729,417 B2Alloy Enterprises Inc.
- Strip made of 6XXX alloy and manufacturing process25 Aug 2026US 12,716,121 B2Constellium Muscle Soals LLC
- Heat exchanger for a motor vehicle with an aluminum alloy and method of manufacture14 Jul 2026US 12,680,767 B2Mahle International GmbH
- Aluminum-copper-lithium alloy thin sheets with improved toughness, and process for manufacturing an aluminum-copper-lithium alloy thin sheet30 Jun 2026US 12,668,863 B2Constellium Rolled Products Singen GmbH & Co. KG
- 2XXX aluminum alloys9 Jun 2026US 12,649,961 B2Arconic Technologies LLC
- Thick product made of aluminium copper lithium alloys with improved toughness, and method for obtaining same17 Sep 2026US 2026/0275479 A1Constellium Issoire
- Methods for manufacturing additive manufacturing components27 Aug 2026US 2026/0249350 A1Valls Besitz GmbH
- Methods of manufacturing 2xxx-series aluminum alloy sheets13 Aug 2026US 2026/0234760 A1Novelis Inc.
- 7xxx wrought products with improved compromise of tensile and toughness properties and method for producing23 Jul 2026US 2026/0209901 A1Constellium Issoire
- 6xxx Aluminum Alloy Sheet Capable of Reducing Liquefying Cracks in Weld Seams, Preparation Method and Application Thereof25 Jun 2026US 2026/0176721 A1Chinalco Materials Application Research Institution Co., Ltd.
Most cited
By later US patents
- Aluminum alloys containing scandium with zirconium additions94US 5,620,652 AAshurst Technology Corporation (Ireland Limited) · 1997
- Method for grain refinement of high strength aluminum casting alloys77US 6,368,427 B12002
- High strength Al-Cu-Li-Zn-Mg alloys69US 5,462,712 AMartin Marietta Corporation · 1995
- Aluminum-scandium alloys64US 5,597,529 AAshurst Technology Corporation (Ireland Limited) · 1997
- Amorphous electrode compositions60US 6,699,336 B23M Innovative Properties Company · 2004