F23C 2201/101
In vertical direction
Official title: in vertical direction, e.g. alternating lean and rich zones
F23C2201/101 (In vertical direction) appears on 119 US grants and 113 published applications in this corpus.
Search patents in F23C- Granted patents
- 119
- Published applications
- 113
- Assignees
- 72
- Inventors
- 310
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 5 |
| 2003 | 2 | 5 |
| 2004 | 7 | 9 |
| 2005 | 3 | 7 |
| 2006 | 2 | 8 |
| 2007 | 2 | 4 |
| 2008 | 7 | 8 |
| 2009 | 6 | 7 |
| 2010 | 5 | 6 |
| 2011 | 3 | 7 |
| 2012 | 4 | 8 |
| 2013 | 3 | 4 |
| 2014 | 3 | 4 |
| 2015 | 2 | 4 |
| 2016 | 1 | 6 |
| 2017 | 1 | 3 |
| 2018 | 6 | 2 |
| 2019 | 5 | 4 |
| 2020 | 4 | 2 |
| 2021 | 2 | 0 |
| 2022 | 2 | 4 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustion device and boiler2 Jun 2026US 12,644,597 B2IHI Corporation
- Apparatus, system and method for pyrolysing and combusting a material24 Jun 2025US 12,338,994 B2Eco-Global Energy Pty Limited
- Velocity damper for a recovery boiler8 Aug 2023US 11,719,433 B2Andritz Inc.
- Solid fuel burner and combustion device31 May 2022US 11,346,546 B2Mitsubishi Power, Ltd.
- Velocity damper for a recovery boiler18 Jan 2022US 11,226,095 B2Andritz Inc.
- Combustion device30 Jan 2025US 2025/0035303 A1Lepaier Global Co., Ltd.
- Heater with remote combustion air addition23 Jan 2025US 2025/0027643 A1Lummus Technology Inc.
- Biomass Fuel Burning Furnace12 Dec 2024US 2024/0410569 A1Zhongshan Junwei Home Appliances Co., Ltd.
- Combustion device and boiler14 Sep 2023US 2023/0288061 A1IHI Corporation
- Wall-arranged giant ring-shaped straight-through pulverized coal burner7 Sep 2023US 2023/0280027 A1Shanghai Jiao Tong University
Most cited
By later US patents
- Combustion process for reducing nitrogen oxides99US 4,403,941 ABabcock-Hitachi Kabushiki Kaisha · 1983
- Low-NO.sub.x staged combustion device for controlled radiative heating in high temperature furnaces63US 5,611,682 AAir Products and Chemicals, Inc. · 1997
- System and method for firing coal having a significant mineral content40US 4,438,709 ACombustion Engineering, Inc. · 1984
- Mercury reduction system and method in combustion flue gas using coal blending37US 7,381,387 B2General Electric Company · 2008
- Integrated low NO.sub.x tangential firing system36US 5,315,939 ACombustion Engineering, Inc. · 1994