B22C 15/23
Compacting by gas pressure or vacuum
B22C15/23 (Compacting by gas pressure or vacuum) appears on 163 US grants and 83 published applications in this corpus.
Search patents in B22C- Granted patents
- 163
- Published applications
- 83
- Assignees
- 64
- Inventors
- 231
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 3 |
| 2004 | 5 | 8 |
| 2005 | 4 | 3 |
| 2006 | 2 | 6 |
| 2007 | 4 | 4 |
| 2008 | 2 | 7 |
| 2009 | 1 | 3 |
| 2010 | 4 | 9 |
| 2011 | 7 | 1 |
| 2012 | 1 | 4 |
| 2013 | 4 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 7 |
| 2020 | 3 | 2 |
| 2021 | 4 | 5 |
| 2022 | 1 | 1 |
| 2023 | 5 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Molding system7 Nov 2023US 11,806,778 B2Sintokogio, Ltd.
- Molding machine24 Oct 2023US 11,794,380 B2Sintokogio, Ltd.
- Flaskless molding machine6 Jun 2023US 11,666,964 B2Sintokogio, Ltd.
- Core shooting apparatus and method for controlling core shooting apparatus18 Apr 2023US 11,628,489 B2MAGMA Giessereitechnologie GmbH
- Casting mold making apparatus and mold making method17 Jan 2023US 11,554,411 B2Sintokogio, Ltd.
- Valve device, molding machine and method for controlling a valve device30 Oct 2025US 2025/0334201 A1Heinrich Wagner Sinto Maschinenfabrik GmbH
- Core molding system and method13 Mar 2025US 2025/0083217 A1Hyundai Motors Company
- Molding system21 Sep 2023US 2023/0294164 A1Sintokogio, Ltd.
- Core shooting apparatus and method for controlling core shooting apparatus24 Feb 2022US 2022/0055097 A1MAGMA Giessereitechnologie GmbH
- Molding method23 Sep 2021US 2021/0291258 A1Sintokogio, Ltd.
Most cited
By later US patents
- Automatic matchplate molding system19US 5,022,512 AHunter Automated Machinery Corporation · 1991
- Automatic matchplate molding system16US 4,890,664 AHunter Automated Machinery Corporation · 1990
- Automatic matchplate molding system15US 4,840,218 AHunter Automated Machinery Corporation · 1989
- Method for forming sand molds and matchplate molding machine for accomplishing same13US 6,622,772 B1Hunter Automated Machinery Corporation · 2003
- Sand molding apparatus with means for recirculating catalyst12US 4,064,926 AAcme-Cleveland Corporation · 1977