B22D 21/027
Casting heavy metals with low melting point, i.e. less than 1000 degrees
Official title: {Casting heavy metals with low melting point, i.e. less than 1000 degrees C, e.g. Zn 419 degrees C, Pb 327 degrees C, Sn 232 degrees C}
B22D21/027 (Casting heavy metals with low melting point, i.e. less than 1000 degrees) appears on 44 US grants and 52 published applications in this corpus.
Search patents in B22D- Granted patents
- 44
- Published applications
- 52
- Assignees
- 36
- Inventors
- 111
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 5 |
| 2011 | 4 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 5 |
| 2014 | 0 | 2 |
| 2015 | 3 | 1 |
| 2016 | 1 | 9 |
| 2017 | 2 | 1 |
| 2018 | 3 | 4 |
| 2019 | 3 | 1 |
| 2020 | 1 | 5 |
| 2021 | 1 | 0 |
| 2022 | 4 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for producing a three-dimensional metal molding body having an open-cell metal sponge structure16 Oct 2025US 2025/0319514 A1Grillo-Werke AG
- Cosmetic zinc alloy massage head formula and preparation technology thereof17 Jul 2025US 2025/0230525 A1Guangzhou Candear Packing Products Co., LTD
- Casting process and casting machine for metals26 Dec 2024US 2024/0424552 A1Engel Austria GmbH
Most cited
By later US patents
- Apparatus for accreting copper69US 3,942,473 AColumbia Cable & Electric Corporation · 1976
- Pitted mold22US 6,929,051 B2Water Gremlin Company · 2005
- Enhanced gravity casting21US 6,997,234 B2Water Gremlin Company · 2006
- Enhanced gravity casting19US 7,246,650 B2Water Gremlin Company · 2007
- Process for making finished or semi-finished articles of silver alloy8US 9,222,150 B22015