B22D 7/00
Casting ingots
Official title: Casting ingots, {e.g. from ferrous metals}(equipment for conveying molten metal B22D35/00)
B22D7/00 (Casting ingots) appears on 487 US grants and 466 published applications in this corpus.
Search patents in B22D- Granted patents
- 487
- Published applications
- 466
- Assignees
- 336
- Inventors
- 1,261
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 24 | 0 |
| 1978 | 24 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 14 | 0 |
| 1982 | 11 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 3 |
| 2002 | 3 | 4 |
| 2003 | 3 | 1 |
| 2004 | 1 | 9 |
| 2005 | 5 | 4 |
| 2006 | 5 | 6 |
| 2007 | 4 | 7 |
| 2008 | 3 | 9 |
| 2009 | 1 | 8 |
| 2010 | 3 | 11 |
| 2011 | 7 | 16 |
| 2012 | 8 | 17 |
| 2013 | 8 | 22 |
| 2014 | 11 | 21 |
| 2015 | 16 | 31 |
| 2016 | 19 | 77 |
| 2017 | 20 | 52 |
| 2018 | 36 | 28 |
| 2019 | 38 | 26 |
| 2020 | 23 | 29 |
| 2021 | 37 | 24 |
| 2022 | 18 | 15 |
| 2023 | 15 | 19 |
| 2024 | 15 | 13 |
| 2025 | 12 | 8 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fabrication of metallic parts by additive manufacturing25 Aug 2026US 12,715,033 B2Elmet Technologies, Inc.
- Highly-insulated ingot mold28 Apr 2026US 12,611,795 B2HarbisonWalker International Holdings, Inc.
- Material, apparatus, and method for refractory castings3 Feb 2026US 12,539,537 B2Wagstaff, Inc.
- Aluminum alloy with ultra-high thermal conductivity and manufacturing method thereof30 Dec 2025US 12,509,748 B2Charng Chyi Aluminum Co., Ltd.
- Preparation method for heterogeneous Mg alloys bar with high elastic modulus9 Dec 2025US 12,492,459 B2Jiangsu University
- Recycling facility and recycling method for magnesium alloy17 Sep 2026US 2026/0275452 A1The Japan Steel Works, Ltd.
- High hardness superelastic shape memory alloy nitice10 Sep 2026US 2026/0265872 A1Iowa State University Research Foundation, Inc.
- System and a method for producing green steel with near zero ghg emissions intensity23 Apr 2026US 2026/0110043 A1Saarloha Advanced Materials Private Limited
- Method for manufacturing high-chromium (cr) molten steel, method for manufacturing cast piece, and method for manufacturing press roll16 Apr 2026US 2026/0103769 A1Posco
- Aluminum Alloy with Ultra-High Thermal Conductivity and Manufacturing Method Thereof15 Jan 2026US 2026/0015695 A1Charng Chyi Aluminum Co., Ltd.
Most cited
By later US patents
- Distributor device for use in metal casting107US 7,131,482 B2Pyrotek Engineering Materials Limited · 2006
- Transferring molten metal using non-gravity assist launder79US 9,017,597 B22015
- Molten metal transfer system and rotor79US 9,156,087 B2Molten Metal Equipment Innovations, LLC · 2015
- Transfer well system and method for making same78US 9,205,490 B2Molten Metal Equipment Innovations, LLC · 2015
- Transferring molten metal from one structure to another76US 8,337,746 B22012