F27B 9/10
Heated by hot air or gas
Official title: heated by hot air or gas
F27B9/10 (Heated by hot air or gas) appears on 190 US grants and 134 published applications in this corpus.
Search patents in F27B- Granted patents
- 190
- Published applications
- 134
- Assignees
- 163
- Inventors
- 435
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 3 |
| 2002 | 5 | 3 |
| 2003 | 7 | 5 |
| 2004 | 6 | 11 |
| 2005 | 5 | 5 |
| 2006 | 2 | 4 |
| 2007 | 3 | 4 |
| 2008 | 4 | 5 |
| 2009 | 3 | 5 |
| 2010 | 1 | 4 |
| 2011 | 4 | 4 |
| 2012 | 3 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 5 |
| 2015 | 0 | 5 |
| 2016 | 5 | 6 |
| 2017 | 4 | 5 |
| 2018 | 4 | 8 |
| 2019 | 5 | 4 |
| 2020 | 5 | 5 |
| 2021 | 2 | 2 |
| 2022 | 3 | 8 |
| 2023 | 5 | 13 |
| 2024 | 2 | 3 |
| 2025 | 4 | 5 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for manufacturing cement using rotary generated thermal energy28 Jul 2026US 12,692,192 B2Coolbrook Oy
- Burner, apparatus and method for the firing of ceramic articles16 Jun 2026US 12,656,062 B2Sacmi Forni & Filter S.P.A.
- Method and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy9 Jun 2026US 12,649,689 B2Coolbrook Oy
- Shuttle kiln with enhanced radiant heat retention31 Mar 2026US 12,590,762 B2Corning Incorporated
- Apparatus for heating steel products20 Jan 2026US 12,529,520 B2Danieli & C. Officine Meccaniche SpA
- Refining and/or petrochemical facility and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy17 Sep 2026US 2026/0274747 A1Coolbrook Oy
- Biomass Direct Reduced Iron23 Jul 2026US 2026/0209873 A1Technological Resources Pty. Limited
- Shuttle kiln with enhanced radiant heat retention9 Jul 2026US 2026/0194297 A1Corning Incorporated
- Thermal treatment device, method and use2 Jul 2026US 2026/0185177 A1SMS group GmbH
- Sintering furnace11 Jun 2026US 2026/0160495 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Tunnel-type conveyor oven having two types of heat sources62US 5,906,485 AReading Pretzel Machinery Corp. · 1999
- Continuous oven with a plurality of heating zones45US 5,440,101 AResearch Corporation · 1995
- Thermal treating apparatus and process40US 5,997,286 AFord Motor Company · 1999
- Method and apparatus for controlling a time/temperature profile of a reflow oven32US 6,168,064 AQuad Systems Corporation · 2001
- Conveyor oven usable as pre-bake oven in a print plate imaging and processing system and method of using same30US 6,323,462 B1Wisconsin Oven Corporation · 2001