B22C 9/12
Treating moulds or cores
Official title: Treating moulds or cores, e.g. drying, hardening
B22C9/12 (Treating moulds or cores) appears on 295 US grants and 253 published applications in this corpus.
Search patents in B22C- Granted patents
- 295
- Published applications
- 253
- Assignees
- 180
- Inventors
- 662
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 13 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 10 | 8 |
| 2003 | 4 | 3 |
| 2004 | 9 | 14 |
| 2005 | 7 | 8 |
| 2006 | 3 | 7 |
| 2007 | 7 | 13 |
| 2008 | 3 | 4 |
| 2009 | 3 | 5 |
| 2010 | 1 | 5 |
| 2011 | 6 | 0 |
| 2012 | 2 | 8 |
| 2013 | 2 | 9 |
| 2014 | 1 | 9 |
| 2015 | 5 | 17 |
| 2016 | 6 | 24 |
| 2017 | 11 | 19 |
| 2018 | 10 | 13 |
| 2019 | 15 | 14 |
| 2020 | 17 | 12 |
| 2021 | 14 | 15 |
| 2022 | 11 | 15 |
| 2023 | 8 | 12 |
| 2024 | 9 | 7 |
| 2025 | 10 | 6 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for coating a refractory alloy part, and the part thus coated12 May 2026US 12,623,277 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Hybrid setter for investment casting cores and method of using7 Apr 2026US 12,594,594 B2
- Processing method and processing apparatus for workpiece4 Nov 2025US 12,459,077 B2Sintokogio, Ltd.
- Protection against oxidation or corrosion of a hollow part made of a superalloy28 Oct 2025US 12,454,891 B2Safran
- Core quality estimation system, core quality estimation method, non-transitory storage medium14 Oct 2025US 12,440,889 B2Toyota Jidosha Kabushiki Kaisha
- A system and method for fabricating a ceramic mold that maintains dimensions in resulting cast component16 Jul 2026US 2026/0199965 A1GE Infrastructure Technology LLC
- Systems and methods of limiting movement between a shell structure and a core structure of an additively manufactured ceramic mold16 Jul 2026US 2026/0199966 A1GE Vernova Infrastructure Technology LLC
- Methods for casting a component via a unitary core-shell mold14 May 2026US 2026/0131500 A1General Electric Company
- Casting method and apparatus7 May 2026US 2026/0124671 A1Wuxi Cummins Turbo Technologies Company Ltd.
- Cast shaping method and cast material19 Mar 2026US 2026/0077403 A1Sintokogio, Ltd.
Most cited
By later US patents
- One-body precision cast metal wood158US 5,219,408 A1993
- Process for the production of an object with a hollow space70US 6,261,432 B1DaimlerChrysler AG · 2001
- Gelatin coated sand core and method of making same54US 6,467,525 B2Hormel Foods Corporation · 2002
- Method of sand coremaking42US 6,843,303 B2General Motors Corporation · 2005
- Method for forming components using additive manufacturing and re-melt39US 9,435,211 B2United Technologies Corporation · 2016