B22D 43/004
By using filtering means
Official title: {by using filtering means (B22C9/086 takes precedence)}
B22D43/004 (By using filtering means) appears on 64 US grants and 60 published applications in this corpus.
Search patents in B22D- Granted patents
- 64
- Published applications
- 60
- Assignees
- 54
- Inventors
- 187
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 2 |
| 2012 | 4 | 2 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 6 |
| 2021 | 2 | 6 |
| 2022 | 3 | 2 |
| 2023 | 6 | 3 |
| 2024 | 1 | 6 |
| 2025 | 1 | 5 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molten metal filter device for casting vehicle components22 Apr 2025US 12,280,421 B2GM Global Technology Operations LLC
- Apparatus and methods for filtering metals21 May 2024US 11,986,881 B2Alcoa Canada Co.
- Aluminum-based ultra-thin launder24 Oct 2023US 11,795,522 B2Shenyang Hengtaixinyuan Casting Refractories Co., Ltd.
- Countergravity casting apparatus and desulfurization methods3 Oct 2023US 11,772,152 B2Rtx Corporation
- Die casting method for filtering cavity12 Sep 2023US 11,752,548 B2Zhuhai Runxingtai Electrical Co., Ltd.
- Molten metal dispensing systems and methods for additive manufacturing in space5 Mar 2026US 2026/0061483 A1Blue Origin, LLC
- Countergravity Casting Apparatus and Desulfurization Methods19 Feb 2026US 2026/0048433 A1Rtx Corporation
- Filter For The Filtration Of A Liquid Metal30 Oct 2025US 2025/0332636 A1Les Produits Industriels de Haute Temperature Pyrotek Inc.
- Filter element for flow stabilisation and/or purifying a melt obtained during casting, and a method for producing a filter element24 Jul 2025US 2025/0235924 A1
- Assembly and method for producing metal powder26 Jun 2025US 2025/0205781 A1Space-Xyz IP B.V.
Most cited
By later US patents
- Molten metal filter cartridge115US 5,741,422 AMetaullics Systems Co., L.P. · 1998
- Molten metal filter106US 5,126,047 AThe Carborundum Company · 1992
- Ceramic foam filter69US 3,947,363 ASwiss Aluminium Ltd. · 1976
- Ceramic foam filter68US 3,962,081 ASwiss Aluminium Ltd. · 1976
- Filtering of molten metal49US 4,024,056 ASwiss Aluminium Ltd. · 1977