B22C 21/01
Flasks: for vacuum-sealed moulding
Official title: for vacuum-sealed moulding
B22C21/01 (Flasks: for vacuum-sealed moulding) appears on 5 US grants and 4 published applications in this corpus.
Search patents in B22C- Granted patents
- 5
- Published applications
- 4
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 20 Jul 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pouring method, device, and cast in vacuum molding process20 Jul 2010US 7,757,746 B2Sintokogio, Ltd.
- Method and device for pouring molten metal in vacuum molding and casting10 Mar 2009US 7,500,507 B2Sintokogio, Ltd.
- Investment casting paper liner and guard27 Apr 1999US 5,896,913 AProtech Marketing, Inc.
- Vacuum control valving apparatus for a vacuum sealed molding apparatus20 Jul 1976US 3,970,139 AHeinrich Wagner Maschinenfabrik
- Moulding flask for vacuum sealed moulding process27 Apr 1976US 3,952,793 ASintokogio, Ltd.
- Railcar wheel, apparatus and method of manufacture1 Feb 2018US 2018/0029410 A1Rail 1520 IP Ltd
- Railcar wheel, apparatus and method of manufacture24 Dec 2015US 2015/0367679 A1Rail 1520 IP Ltd
- Pouring method, device, and cast in vacuum molding process7 May 2009US 2009/0114362 A1Sintokogio, Ltd.
- Method And Device For Pouring Molten Metal In Vacuum Molding And Casting13 Sep 2007US 2007/0209771 A1Sintokogio, Ltd.
Most cited
By later US patents