C22B 21/068
Handling in vacuum
Official title: {handling in vacuum}
C22B21/068 (Handling in vacuum) appears on 15 US grants and 17 published applications in this corpus.
Search patents in C22B- Granted patents
- 15
- Published applications
- 17
- Assignees
- 26
- Inventors
- 66
- Latest grant
- 26 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for regenerating copper-containing aluminum alloy from aluminum alloy scrap26 Mar 2024US 11,939,644 B2The Boeing Company
- Apparatus and method for the removal of unwanted inclusions from metal melts5 Jan 2021US 10,882,101 B2Norsk Hydro ASA
- Flux injection assembly and method1 Mar 2016US 9,273,376 B2Pyrotek, Inc.
- Simultaneous multi-mode gas activation degassing device for casting ultraclean high-purity metals and alloys29 Sep 2015US 9,145,597 B2Almex USA, Inc.
- Compact micro-porous media degasser8 Sep 2009US 7,585,455 B2Porvair PLC
- Apparatus and method for fractionating alloy components in recycled alloy8 Oct 2026US 2026/0308715 A1Hyundai Motor Company
- Aluminum-erbium alloy powder for additive manufacturing and preparation method therefor30 Apr 2026US 2026/0117345 A1Accmaterial Technology (Jiangsu) Co., Ltd.
- Method for recovering processed aluminum scraps of aeronautical aluminum alloy5 Sep 2024US 2024/0295007 A1The Boeing Company
- Method and equipment for treatment of molten aluminium metal8 Aug 2024US 2024/0263270 A1Norsk Hydro ASA
- Method for recycling aluminum alloy scrap21 Mar 2024US 2024/0093331 A1The Boeing Company
Most cited
By later US patents
- Flux injection assembly and method72US 9,273,376 B2Pyrotek, Inc. · 2016
- Vacuum purification of liquid metals17US 4,456,479 A1984
- Dynamic vacuum treatment5US 4,049,248 AA/S Ardal og Sunndal Verk · 1977
- Continuous vacuum refining method of molten metal and apparatus thereof4US 6,607,578 B2Furukawa Electric Co., Ltd. · 2003
- Apparatus for, purifying a melt, which, besides one or more impurities, essentially contains a light metal, in particular aluminum3US 4,842,643 A1989