B22D 27/045
Directionally solidified castings
Official title: {Directionally solidified castings}
B22D27/045 (Directionally solidified castings) appears on 366 US grants and 317 published applications in this corpus.
Search patents in B22D- Granted patents
- 366
- Published applications
- 317
- Assignees
- 141
- Inventors
- 702
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 12 | 4 |
| 2002 | 10 | 4 |
| 2003 | 6 | 11 |
| 2004 | 6 | 7 |
| 2005 | 9 | 8 |
| 2006 | 3 | 4 |
| 2007 | 2 | 6 |
| 2008 | 1 | 4 |
| 2009 | 1 | 13 |
| 2010 | 2 | 12 |
| 2011 | 3 | 12 |
| 2012 | 8 | 11 |
| 2013 | 3 | 12 |
| 2014 | 13 | 16 |
| 2015 | 7 | 26 |
| 2016 | 19 | 40 |
| 2017 | 20 | 20 |
| 2018 | 19 | 22 |
| 2019 | 24 | 25 |
| 2020 | 26 | 14 |
| 2021 | 19 | 8 |
| 2022 | 11 | 14 |
| 2023 | 6 | 7 |
| 2024 | 18 | 13 |
| 2025 | 7 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cast plate heat exchanger and method of making using directional solidification25 Nov 2025US 12,480,721 B2Rtx Corporation
- System and method for forming single crystal components using additive manufacturing tooling18 Nov 2025US 12,472,553 B2SingleX AB
- Arcuate seed casting method7 Oct 2025US 12,434,295 B2Rtx Corporation
- Casting furnace for solidification restructuring (FSR)10 Jun 2025US 12,325,066 B2
- System and method for casting with mold having thermally tailored wall13 May 2025US 12,296,377 B2GE Infrastructure Technology LLC
- Casting apparatus16 Apr 2026US 2026/0102818 A1General Electric Company
- Method for manufacturing high-chromium (cr) molten steel, method for manufacturing cast piece, and method for manufacturing press roll16 Apr 2026US 2026/0103769 A1Posco
- Zr-cu-al alloy metallic glasses28 Aug 2025US 2025/0270681 A1Vulkam
- System and method of casting a component19 Jun 2025US 2025/0196222 A1ROLLS-ROYCE plc
- Method of manufacturing a component5 Dec 2024US 2024/0399445 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Cores for investment casting process49US 4,093,017 ASherwood Refractories, Inc. · 1978
- Method and apparatus for production of a cast component49US 8,851,151 B2ROLLS-ROYCE plc · 2014
- Blade for gas turbine47US 5,611,670 AHitachi, Ltd. · 1997
- Ceramic shell mold39US 4,196,769 ARemet Corporation · 1980
- Method and apparatus for production of a cast component39US 6,932,145 B2ROLLS-ROYCE plc · 2005