B22C 9/03
Formed by vacuum-sealed moulding
Official title: formed by vacuum-sealed moulding
B22C9/03 (Formed by vacuum-sealed moulding) appears on 46 US grants and 12 published applications in this corpus.
Search patents in B22C- Granted patents
- 46
- Published applications
- 12
- Assignees
- 27
- Inventors
- 77
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for manufacturing graphene aluminum casting24 Jun 2025US 12,337,380 B1Volans United Corporation
- Method for preparing negative pressure film-covering frozen sand mold29 Oct 2024US 12,128,474 B2Nanjing University of Aeronautics and Astronautics
- Method of manufacturing a facing element for a reinforced soil structure19 Jul 2022US 11,391,009 B2Soletanche Freyssinet
- Forging cast method using thin shell mold2 Mar 2021US 10,933,464 B2
- Production method using a vacuum sand casting mould5 Nov 2019US 10,464,123 B2Gf Casting Solutions AG
- Method for preparing negative pressure film-covering frozen sand mold14 Dec 2023US 2023/0398601 A1Nanjing University of Aeronautics and Astronautics
- Method of manufacturing a facing element for a reinforced soil structure24 Jun 2021US 2021/0189680 A1Soletanche Freyssinet
- Forging Cast Method Using Thin Shell Mold28 Jan 2021US 2021/0023612 A1
- Cast-iron casting, method for manufacturing cast-iron casting, and equipment for manufacturing cast-iron casting27 Dec 2018US 2018/0369900 A1Sintokogio, Ltd.
- Production method using a vacuum sand casting mould17 May 2018US 2018/0133783 A1Georg Fischer Aktiengesellschaft
Most cited
By later US patents
- Casting method with a vacuum bonded dry sand core28US 3,964,534 AFord Motor Company · 1976
- Method for producing a reduced-pressure shaped mould22US 4,028,455 AMitsubishi Jukogyo Kabushiki Kaisha · 1977
- Cavityless casting mold13US 4,068,704 AGrunzweig & Hartmann und Glasfaser AG · 1978
- Casting method using cavityless mold13US 4,085,790 AGrunzweig & Hartmann und Glasfaser AG · 1978
- Metal casting system12US 4,318,437 A1982