F27D 2099/0061
Indirect heating
Official title: {Indirect heating}
F27D2099/0061 (Indirect heating) appears on 25 US grants and 13 published applications in this corpus.
Search patents in F27D- Granted patents
- 25
- Published applications
- 13
- Assignees
- 24
- Inventors
- 55
- Latest grant
- 10 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 4 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Heating furnace and continuous heating furnace10 Dec 2019US 10,502,487 B2IHI Corporation
- Fiber oxidation oven with multiple independently controllable heating systems7 Nov 2017US 9,809,909 B2Illinois Tool Works Inc.
- Thermal processing furnace for workpieces4 Jul 2017US 9,696,090 B2Chugai Ro Co., Ltd.
- Heating furnace system for hot stamping25 Apr 2017US 9,631,248 B2Ms Autotech Co., Ltd.
- Fiber oxidation oven with multiple independently controllable heating systems21 Mar 2017US 9,598,795 B2Illinois Tool Works Inc.
- Hot stamping method for manufacturing vehicle body parts29 Jun 2017US 2017/0183757 A1Ms Autotech Co., Ltd.
- Fiber oxidation oven with multiple independently controllable heating systems20 Apr 2017US 2017/0107646 A1Illinois Tool Works Inc.
- Thermal processing furnace for workpieces25 Jun 2015US 2015/0176901 A1Chugai Ro Co., Ltd.
- Closed transport fluid system for furnace-internal heat exchange between annealing gases25 Dec 2014US 2014/0374969 A1EBNER Industrieofenbau GmbH
- Fiber oxidation oven with multiple independently controllable heating systems30 Oct 2014US 2014/0319118 A1Despatch Industries Limited Partnership
Most cited
By later US patents
- Plant for the thermal treatment of material and operation process thereof64US 6,901,868 B2Sea Marconi Technologies di Wander Tumiatti S.A.S. · 2005
- Rotary retort furnace27US 4,648,836 ACan-Eng Holdings, Ltd. · 1987
- High-temperature furnace having selectively permeable membranes for oxygen enrichment19US 4,553,988 AMatsushita Electric Industrial Co., Ltd. · 1985
- Method and apparatus for reducing NO.sub.x emissions in industrial thermal processes17US 5,052,921 ASouthern California Gas Company · 1991
- Rotating melter13US 4,522,587 AHy-Way Heat Systems, Inc. · 1985