B22D 21/022
Casting heavy metals, with exceedingly high melting points, i.e. more than 1600
Official title: {Casting heavy metals, with exceedingly high melting points, i.e. more than 1600 degrees C, e.g. W 3380 degrees C, Ta 3000 degrees C, Mo 2620 degrees C, Zr 1860 degrees C, Cr 1765 degrees C, V 1715 degrees C}
B22D21/022 (Casting heavy metals, with exceedingly high melting points, i.e. more than 1600) appears on 43 US grants and 72 published applications in this corpus.
Search patents in B22D- Granted patents
- 43
- Published applications
- 72
- Assignees
- 46
- Inventors
- 155
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
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| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
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| 1989 | 0 | 0 |
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| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 5 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 5 | 10 |
| 2016 | 7 | 16 |
| 2017 | 3 | 3 |
| 2018 | 6 | 6 |
| 2019 | 2 | 6 |
| 2020 | 4 | 5 |
| 2021 | 1 | 1 |
| 2022 | 4 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum smelting device with mold temperature control design and method for manufacturing a titanium-aluminum intermetallic alloy23 Jan 2024US 11,878,342 B1Metal Industries Research & Development Centre
- Resettable gears and manufacturing method therefor16 Jan 2024US 11,873,548 B2Seoul National University R&Db Foundation
- Method for producing metal ingot5 Dec 2023US 11,833,582 B2Nippon Steel Corporation
- Arrangement for low-pressure casting of refractory metals28 Nov 2023US 11,826,820 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Micro-welding using a three-dimensional printer22 Nov 2022US 11,504,766 B2Xerox Corporation
- Titanium alloy and method of manufacture11 Jun 2026US 2026/0159920 A1ROLLS-ROYCE plc
- Needle for warp knitting machine and method for manufacturing needle by means of amorphous alloy injection molding process27 Nov 2025US 2025/0361659 A1Anhui Haofang Electromechanics Co., Ltd
- Zr-cu-al alloy metallic glasses28 Aug 2025US 2025/0270681 A1Vulkam
- Ductile refractory alloys with high strength21 Aug 2025US 2025/0263823 A1
- Multiple materials and microstructures in cast alloys2 Feb 2023US 2023/0033669 A1General Electric Company
Most cited
By later US patents
- Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in anisotropic pyrolytic graphite molds under vacuum37US 6,705,385 B2Santoku America, Inc. · 2004
- Method of and apparatus for melting and casting reactive metals26US 4,482,376 AInstitutul De Cercetare Stiintifica, Inginerie Tehnologica Si Proiectare Pentru Sectoare Calde · 1984
- Ceramic core compositions, methods for making cores, methods for casting hollow titanium-containing articles, and hollow titanium-containing articles14US 9,061,350 B2General Electric Company · 2015
- Calcium titanate containing mold compositions and methods for casting titanium and titanium aluminide alloys9US 8,708,033 B2General Electric Company · 2014
- Copper alloy8US 7,909,946 B2Mitsubishi Shindoh Co., Ltd. · 2011