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B22C 9/126

Hardening by freezing

Official title: {Hardening by freezing}

B22C9/126 (Hardening by freezing) appears on 17 US grants and 12 published applications in this corpus.

Search patents in B22C

Granted patents: 17
Published applications: 12
Assignees: 16
Inventors: 40
Latest grant: 29 Oct 2024

Filings by year

B22C 9/126: granted patents and published applications per publication year
Year	Granted patents	Published applications
1979	1	0
1980	0	0
1981	0	0
1982	1	0
1983	0	0
1984	1	0
1985	0	0
1986	1	0
1987	2	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	0	0
2000	0	0
2001	0	0
2002	1	1
2003	0	0
2004	2	1
2005	0	1
2006	0	2
2007	1	1
2008	0	0
2009	0	1
2010	0	1
2011	2	0
2012	0	0
2013	0	0
2014	0	0
2015	0	0
2016	0	0
2017	1	1
2018	0	0
2019	0	0
2020	0	0
2021	0	1
2022	0	0
2023	2	2
2024	2	0

By publication year. Applications have been published since 2001.

Recent patents

Method for preparing negative pressure film-covering frozen sand mold29 Oct 2024US 12,128,474 B2Nanjing University of Aeronautics and Astronautics
Multi-path internal microporous efficient refrigeration method and device for frozen sand mold2 Apr 2024US 11,945,026 B1Nanjing University of Aeronautics and Astronautics
Casting core for casting molds and method for the production thereof24 Oct 2023US 11,794,236 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
Interlayer pre-cooling apparatus for sand mold freezing printing30 May 2023US 11,660,662 B2Nanjing University of Aeronautics and Astronautics
Castable refractory material19 Dec 2017US 9,845,270 B2Pyrotek Engineering Materials Limited

Most cited

By later US patents