C22B 9/023
By filtering
Official title: {By filtering (filtration of aluminium C22B21/066)}
C22B9/023 (By filtering) appears on 187 US grants and 129 published applications in this corpus.
Search patents in C22B- Granted patents
- 187
- Published applications
- 129
- Assignees
- 122
- Inventors
- 406
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 3 |
| 2004 | 0 | 2 |
| 2005 | 1 | 4 |
| 2006 | 1 | 5 |
| 2007 | 0 | 3 |
| 2008 | 2 | 7 |
| 2009 | 4 | 7 |
| 2010 | 1 | 12 |
| 2011 | 5 | 7 |
| 2012 | 11 | 7 |
| 2013 | 5 | 2 |
| 2014 | 6 | 4 |
| 2015 | 0 | 4 |
| 2016 | 7 | 7 |
| 2017 | 3 | 6 |
| 2018 | 2 | 4 |
| 2019 | 6 | 4 |
| 2020 | 3 | 8 |
| 2021 | 5 | 4 |
| 2022 | 2 | 4 |
| 2023 | 7 | 7 |
| 2024 | 5 | 7 |
| 2025 | 4 | 4 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Printed wiring board, printed circuit board, and electronic component19 Aug 2025US 12,392,015 B2Ishikawa Technology Laboratory Co., Ltd.
- Device and method for efficiently separating ethyl tin from molten tin12 Aug 2025US 12,385,109 B2Yunnan Tin Co. Ltd. Tin Branch
- Furnace, fluid feed component, fluid reforming system and method of reforming a fluid15 Jul 2025US 12,359,872 B2Burnstar Technologies (Pty) Ltd
- Molten metal filter device for casting vehicle components22 Apr 2025US 12,280,421 B2GM Global Technology Operations LLC
- Molten metal purification device17 Sep 2024US 12,090,546 B2
- Lithium recovery method25 Jun 2026US 2026/0176718 A1Honda Motor Co., Ltd.
- Process for the oxidative pre-melting and smelting of a metalliferous feedstock material-containing agglomerate18 Jun 2026US 2026/0166509 A1African Rainbow Minerals Limited
- Molten metal dispensing systems and methods for additive manufacturing in space5 Mar 2026US 2026/0061495 A1Blue Origin, LLC
- Filter For The Filtration Of A Liquid Metal30 Oct 2025US 2025/0332636 A1Les Produits Industriels de Haute Temperature Pyrotek Inc.
- Furnace, fluid feed component, fluid reforming system and method of reforming a fluid9 Oct 2025US 2025/0314427 A1Burnstar Technologies (Pty) Ltd
Most cited
By later US patents
- Apparatus for filtration of molten metal134US 4,504,392 A1985
- Molten metal filter medium and method for making same133US 5,369,063 AMetaullics Systems Co., L.P. · 1994
- Molten metal filter cartridge115US 5,741,422 AMetaullics Systems Co., L.P. · 1998
- Modular filter for molten metal111US 6,231,639 B1Metaullics Systems Co., L.P. · 2001
- Filtration device86US 5,511,766 AUSX Corporation · 1996