B22D 11/119
By filtering
Official title: by filtering
B22D11/119 (By filtering) appears on 40 US grants and 31 published applications in this corpus.
Search patents in B22D- Granted patents
- 40
- Published applications
- 31
- Assignees
- 32
- Inventors
- 89
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 3 |
| 2020 | 1 | 3 |
| 2021 | 5 | 4 |
| 2022 | 3 | 3 |
| 2023 | 2 | 2 |
| 2024 | 1 | 3 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Molten metal filtration box heating apparatus29 Jul 2025US 12,370,597 B2Pyrotek, Inc.
- 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
- Diffusion article18 Jul 2023US 11,701,705 B2HarbisonWalker International, Inc.
- Filter handling tool13 Jun 2023US 11,674,198 B2Pyrotek, Inc.
- Molten metal filter device for casting vehicle components26 Dec 2024US 2024/0424551 A1GM Global Technology Operations LLC
- Tundish with filter module1 Aug 2024US 2024/0253111 A1Vesuvius USA Corporation
- Molten metal filter23 May 2024US 2024/0165696 A1
- Filter handling tool28 Sep 2023US 2023/0304124 A1Pyrotek, Inc.
- Molten metal purification device30 Mar 2023US 2023/0096536 A1
Most cited
By later US patents
- Distributor device for use in metal casting107US 7,131,482 B2Pyrotek Engineering Materials Limited · 2006
- Filtration device86US 5,511,766 AUSX Corporation · 1996
- Ceramic porous bodies suitable for use with superalloys35US 4,697,632 AHowmet Turbine Components Corporation · 1987
- Continuous filter for molten copper30US 4,277,281 ASouthwire Company · 1981
- Ceramic foam filter19US 4,975,191 ASwiss Aluminium Ltd. · 1990