B22C 9/103
Multipart cores
Official title: {Multipart cores}
B22C9/103 (Multipart cores) appears on 380 US grants and 373 published applications in this corpus.
Search patents in B22C- Granted patents
- 380
- Published applications
- 373
- Assignees
- 130
- Inventors
- 663
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 10 |
| 2003 | 17 | 5 |
| 2004 | 1 | 5 |
| 2005 | 5 | 6 |
| 2006 | 4 | 13 |
| 2007 | 17 | 27 |
| 2008 | 11 | 21 |
| 2009 | 7 | 9 |
| 2010 | 9 | 11 |
| 2011 | 8 | 14 |
| 2012 | 23 | 20 |
| 2013 | 7 | 16 |
| 2014 | 12 | 7 |
| 2015 | 12 | 25 |
| 2016 | 17 | 31 |
| 2017 | 3 | 27 |
| 2018 | 25 | 26 |
| 2019 | 29 | 20 |
| 2020 | 28 | 21 |
| 2021 | 29 | 20 |
| 2022 | 10 | 14 |
| 2023 | 17 | 4 |
| 2024 | 12 | 7 |
| 2025 | 9 | 7 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Skin passageway trip strips18 Aug 2026US 12,709,984 B2Rtx Corporation
- Casting mold and method for producing a casting28 Oct 2025US 12,454,001 B2Nemak, S. A. B. De C.V.
- Core firing setter22 Jul 2025US 12,365,022 B1Rtx Corporation
- Integral core bumpers15 Jul 2025US 12,358,043 B2Rtx Corporation
- Casting core post and socket joint24 Jun 2025US 12,337,378 B2Rtx Corporation
- 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
- Faucet shell, manufacturing method and molds thereof7 May 2026US 2026/0125882 A1Guangdong Meijie Faucet Company Limited
- Skin Passageway Trip Strips30 Apr 2026US 2026/0117659 A1Rtx Corporation
- Power end frame for a reciprocating pump15 Jan 2026US 2026/0016004 A1
Most cited
By later US patents
- High effectiveness cooled turbine vane or blade129US 6,974,308 B2Honeywell International Inc. · 2005
- Cores for use in precision investment casting103US 6,637,500 B2United Technologies Corporation · 2003
- Angled turbulence promoter85US 4,514,144 AGeneral Electric Company · 1985
- Investment casting cores83US 6,929,054 B2United Technologies Corporation · 2005
- Multi-wall core and process71US 6,626,230 B1Howmet Research Corporation · 2003