F27B 9/042
Vacuum furnaces
Official title: {Vacuum furnaces}
F27B9/042 (Vacuum furnaces) appears on 19 US grants and 14 published applications in this corpus.
Search patents in F27B- Granted patents
- 19
- Published applications
- 14
- Assignees
- 18
- Inventors
- 58
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 0 | 1 |
| 2018 | 3 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Device, system and method for separating transport boats3 Sep 2024US 12,078,422 B2ALD Vacuum Technologies GmbH
- Continuous working system7 Mar 2023US 11,598,579 B2King Yuan Dar Metal Enterprise Co., Ltd.
- Method and device for stabilizing precursor fibers for the production of carbon fibers1 Nov 2022US 11,486,059 B2Centrotherm International AG
- Heat treatment system15 Feb 2022US 11,248,846 B2IHI Corporation
- Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof5 Oct 2021US 11,136,646 B2Research Institute of Industrial Science & Technology
- Material transportation vehicle, carrying device, drying system and control method29 Aug 2024US 2024/0286655 A1Contemporary Amperex Technology Co., Limited
- Continuous-feed chemical vapor deposition system5 Jan 2023US 2023/0002906 A1
- Continuous working system5 Jan 2023US 2023/0003451 A1King Yuan Dar Metal Enterprise Co., Ltd.
- Device, system and method for separating transport boats17 Mar 2022US 2022/0082328 A1ALD Vacuum Technologies GmbH
- Method and device for stabilizing precursor fibers for the production of carbon fibers24 Dec 2020US 2020/0399790 A1Centrotherm International AG
Most cited
By later US patents
- Vacuum furnace for heat treatment18US 4,417,722 AJapan Oxygen Co., Ltd. · 1983
- Vacuum heat-treatment apparatus13US 6,814,573 B2JH Corporation · 2004
- Continuous heat treating vacuum furnace12US 4,118,016 AC. I. Hayes Inc. · 1978
- Heat treating furnace having improved hot zone9US 6,021,155 A2000
- Vacuum electric furnace8US 4,212,633 AAbar Corporation · 1980