B22C 9/24
For hollow articles
Official title: for hollow articles
B22C9/24 (For hollow articles) appears on 330 US grants and 388 published applications in this corpus.
Search patents in B22C- Granted patents
- 330
- Published applications
- 388
- Assignees
- 131
- Inventors
- 707
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 4 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 1 | 5 |
| 2012 | 4 | 7 |
| 2013 | 2 | 10 |
| 2014 | 6 | 12 |
| 2015 | 10 | 24 |
| 2016 | 20 | 46 |
| 2017 | 19 | 55 |
| 2018 | 38 | 43 |
| 2019 | 39 | 38 |
| 2020 | 37 | 33 |
| 2021 | 27 | 24 |
| 2022 | 28 | 21 |
| 2023 | 20 | 10 |
| 2024 | 25 | 19 |
| 2025 | 13 | 14 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method to qualify additional dies after master die25 Aug 2026US 12,718,353 B2Pratt & Whitney Canada Corp.
- Skin passageway trip strips18 Aug 2026US 12,709,984 B2Rtx Corporation
- Method for manufacturing a distributor for refrigerant in a thermal management module14 Jul 2026US 12,678,853 B2Mahle International GmbH
- Symmetrical two-piece hollow-vane assembly joined via brazing along airfoil centerline21 Apr 2026US 12,607,126 B2Rtx Corporation
- Multi indirect injection solidification technology7 Apr 2026US 12,594,597 B2Alotech Limited R & D, LLC
- Distributor for Refrigerant in a Thermal Management Module24 Sep 2026US 2026/0284738 A1Mahle International GmbH
- Airless spray nozzle for fan shaped spraying17 Sep 2026US 2026/0273547 A1
- Multi indirect injection solidification technology30 Jul 2026US 2026/0216785 A1Alotech Limited R & D, LLC
- 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
Most cited
By later US patents
- Systems and methods for fabricating three-dimensional objects76US 9,561,622 B2Georgia Tech Research Corporation · 2017
- Hollow bone prosthesis with tailored flexibility68US 5,725,586 AJohnson & Johnson Professional, Inc. · 1998
- Rapid prototype casting62US 7,448,433 B2Honeywell International Inc. · 2008
- Mold apparatus and method52US 6,634,410 B12003
- Systems and methods for fabricating three-dimensional objects50US 9,403,322 B2Georgia Tech Research Corporation · 2016