B22C 15/28
Compacting by different means acting simultaneously or successively
Official title: Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing
B22C15/28 (Compacting by different means acting simultaneously or successively) appears on 85 US grants and 42 published applications in this corpus.
Search patents in B22C- Granted patents
- 85
- Published applications
- 42
- Assignees
- 27
- Inventors
- 112
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 3 |
| 2005 | 3 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 3 | 3 |
| 2012 | 4 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 6 |
| 2020 | 3 | 3 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 3 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Molding system7 Nov 2023US 11,806,778 B2Sintokogio, Ltd.
- Molding system and molding method24 Oct 2023US 11,794,237 B2Sintokogio, Ltd.
- Flaskless molding machine6 Jun 2023US 11,666,964 B2Sintokogio, Ltd.
- Core manufacturing apparatus1 Jun 2021US 11,020,792 B1Toyota Jidosha Kabushiki Kaisha
- Method and apparatus for forming sand molds via top and bottom pneumatic sand filling perpendicular to the pattern plate25 May 2021US 11,014,146 B2Hunter Foundry Machinery Corporation
- Valve device, molding machine and method for controlling a valve device30 Oct 2025US 2025/0334201 A1Heinrich Wagner Sinto Maschinenfabrik GmbH
- Molding system21 Sep 2023US 2023/0294164 A1Sintokogio, Ltd.
- Molding system and molding method21 Sep 2023US 2023/0294165 A1Sintokogio, Ltd.
- Core manufacturing apparatus24 Jun 2021US 2021/0187597 A1Toyota Jidosha Kabushiki Kaisha
- Method and apparatus for forming sand molds via top and bottom pneumatic sand filling perpendicular to the pattern plate17 Dec 2020US 2020/0391280 A1Hunter Foundry Machinery Corporation
Most cited
By later US patents
- Method of producing molds21US 5,558,148 ASintokogia Ltd. · 1996
- Automatic matchplate molding system19US 5,022,512 AHunter Automated Machinery Corporation · 1991
- Molding method and system with a molding apparatus17US 6,470,953 B1Singtokogio, Ltd. · 2002
- Automatic matchplate molding system16US 4,890,664 AHunter Automated Machinery Corporation · 1990
- Automatic matchplate molding system15US 4,840,218 AHunter Automated Machinery Corporation · 1989