F27B 9/022
With two tracks moving in opposite directions
Official title: {With two tracks moving in opposite directions}
F27B9/022 (With two tracks moving in opposite directions) appears on 64 US grants and 26 published applications in this corpus.
Search patents in F27B- Granted patents
- 64
- Published applications
- 26
- Assignees
- 55
- Inventors
- 137
- Latest grant
- 18 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 3 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 4 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Aluminum warm forming multi-opening oven and production line18 Oct 2022US 11,471,925 B2Magna International Inc.
- Multiple hearth furnace improvements21 Jul 2020US 10,718,567 B2Synergetics Pty. Ltd.
- Method for sintering carbon bodies in a furnace16 Jun 2020US 10,683,207 B2
- Method and system for treating a product12 May 2020US 10,645,941 B2The State of Israel, Ministry of Agriculture & Rural Development, Agricultural Research Organization (ARO) (Volcani Center)
- Vertical oven for mainly flat parts7 Apr 2020US 10,612,848 B2
- Continuous, high-temperature slab preheating plant for flat semi-finished steel products28 Aug 2025US 2025/0271213 A1SMS group GmbH
- A kiln for firing ceramic slabs23 May 2024US 2024/0167766 A1System Ceramics S.P.A.
- Vertical oven for mainly flat parts27 Dec 2018US 2018/0372408 A1Cefla Societá Cooperativa
- Method for sintering carbon bodies in a furnace5 Jul 2018US 2018/0186646 A1
- Method and system for treating a product10 Aug 2017US 2017/0223975 A1The State of Israel, Ministry of Agriculture & Rural Development, Agricultural Research
Most cited
By later US patents
- Temperature control system for a thermal reactor499US 6,441,350 B1Brooks Automation, Inc. · 2002
- Temperature control system for a thermal reactor45US 6,207,937 B1Semitool, Inc. · 2001
- Furnace for heating slabs, billets, rough castings and the like34US 4,421,481 ADidier Engineering GmbH · 1983
- Combined sintering-annealing furnace30US 4,579,319 AM. C. L. Co., Ltd. · 1986
- Exhaust oven for cathode ray tubes25US 4,752,268 AChugai Ro Co., Ltd. · 1988