B22D 11/004
Copper alloys
Official title: {Copper alloys}
B22D11/004 (Copper alloys) appears on 53 US grants and 88 published applications in this corpus.
Search patents in B22D- Granted patents
- 53
- Published applications
- 88
- Assignees
- 54
- Inventors
- 211
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 4 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 6 |
| 2011 | 0 | 1 |
| 2012 | 5 | 3 |
| 2013 | 2 | 1 |
| 2014 | 2 | 4 |
| 2015 | 0 | 8 |
| 2016 | 2 | 7 |
| 2017 | 4 | 12 |
| 2018 | 7 | 5 |
| 2019 | 4 | 3 |
| 2020 | 7 | 6 |
| 2021 | 4 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 5 |
| 2024 | 2 | 3 |
| 2025 | 5 | 7 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing copper alloy powder for metal AM25 Aug 2026US 12,715,040 B2Mitsubishi Materials Corporation
- Copper-aluminum composite plate material prepared by aluminum liquid continuous casting and process thereof2 Dec 2025US 12,485,475 B2Guangzhou Zhongshan New Energy Technology Co., Ltd.
- Fine-grain tin-phosphor bronze alloy strip and a preparation method thereof16 Sep 2025US 12,416,071 B2China Copper Industry Co., Ltd
- Modified tin-phosphor bronze alloy and a preparation method thereof17 Jun 2025US 12,331,387 B2China Copper Industry Co., Ltd
- Method of manufacturing sheet material made of copper-silver alloy and method of manufaturing sheet for electrode of probe card20 May 2025US 12,305,269 B2SWCC Corporation
- Method and apparatus for producing oxygen-free copper or oxygen-free copper alloy27 Aug 2026US 2026/0249347 A1Ls Cable & System Ltd.
- Method and device for preparing an oxygen-free copper pipe from recycled copper, and a corrosion-resistant copper pipe and its casting process11 Jun 2026US 2026/0159917 A1Zhejiang Copper Processing Research Institute Co., Ltd.
- Casting material made of a copper-zinc alloy, method for producing a cast product and cast part29 Jan 2026US 2026/0028700 A1Wieland-Werke AG
- Wrought copper-zinc alloy, semi-finished product formed of a wrought copper-zinc alloy and method for producing a semi-finished product of this type29 Jan 2026US 2026/0028701 A1Wieland-Werke AG
- Rapid solidified ductile cu-al-mn ribbon for elastocaloric applications4 Dec 2025US 2025/0369076 A1Iowa State University Research Foundation, Inc.
Most cited
By later US patents
- Lead-free free-cutting aluminum brass alloy and its manufacturing method9US 7,776,163 B2Xiamen Lota International Co., Ltd. · 2010
- Niobium as a protective barrier in molten metals7US 8,844,897 B2Southwire Company · 2014
- Niobium as a protective barrier in molten metals5US 9,327,347 B2Southwire Company · 2016
- Copper-nickel-tin alloy, method for the production thereof and use thereof3US 11,035,024 B2Wieland-Werke AG · 2021
- Copper alloy and process for producing the same1US 10,023,940 B2Nippon Steel & Sumitomo Metal Corporation · 2018