F27B 9/047
The atmosphere consisting of protective gases
Official title: {the atmosphere consisting of protective gases}
F27B9/047 (The atmosphere consisting of protective gases) appears on 38 US grants and 31 published applications in this corpus.
Search patents in F27B- Granted patents
- 38
- Published applications
- 31
- Assignees
- 45
- Inventors
- 108
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 5 |
| 2015 | 1 | 2 |
| 2016 | 3 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Flux-free soldering of aluminum-containing workpieces in a controlled atmosphere39US 3,982,887 AVereinigte Aluminium-Werke Aktiengesellschaft · 1976
- Impedance-heated furnace32US 5,869,810 A1999
- Method of manufacturing crystalline silicon carbide28US 4,504,453 ATateho Kagaku Kogyo Kabushiki Kaisha · 1985
- Apparatus and method of continuous sintering a web material25US 6,306,336 B1USF Filtration and Separations Group, Inc. · 2001
- Continuous sintering furnace and use thereof22US 6,530,780 B2Ishikawajima-Harima Jukogyo Kabushiki Kaisha · 2003