F27B 3/205
Burners
Official title: {Burners}
F27B3/205 (Burners) appears on 126 US grants and 137 published applications in this corpus.
Search patents in F27B- Granted patents
- 126
- Published applications
- 137
- Assignees
- 91
- Inventors
- 283
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 3 |
| 2003 | 5 | 1 |
| 2004 | 4 | 8 |
| 2005 | 1 | 3 |
| 2006 | 2 | 3 |
| 2007 | 3 | 9 |
| 2008 | 1 | 3 |
| 2009 | 4 | 11 |
| 2010 | 8 | 7 |
| 2011 | 3 | 3 |
| 2012 | 7 | 8 |
| 2013 | 8 | 10 |
| 2014 | 3 | 4 |
| 2015 | 5 | 10 |
| 2016 | 5 | 5 |
| 2017 | 3 | 3 |
| 2018 | 6 | 3 |
| 2019 | 3 | 6 |
| 2020 | 4 | 5 |
| 2021 | 2 | 4 |
| 2022 | 3 | 4 |
| 2023 | 3 | 4 |
| 2024 | 0 | 6 |
| 2025 | 3 | 10 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing molten iron with electric arc furnace9 Dec 2025US 12,492,439 B2Jfe Steel Corporation
- High-efficiency furnace2 Sep 2025US 12,404,200 B2Saint-Gobain Isover
- Systems and methods for cooling in a furnace13 May 2025US 12,298,079 B1Inteco PTI, LLC
- Systems and methods for segregating and grinding oxidizable catalyst material26 Sep 2023US 11,767,975 B2The Maitland Company
- Continuous horizontal-feeding preheating device and preheating enhancement method thereof6 Jun 2023US 11,668,526 B2Cisdi Engineering Co., Ltd
- A gas heater assembly for a gas heating process and a system for a gas heating process12 Mar 2026US 2026/0071751 A1Luossavaara-Kiirunavaara AB
- Apparatus and method for rotary furnace flame control to melt metal5 Mar 2026US 2026/0063366 A1Air Products and Chemicals, Inc.
- Apparatus and Method for Flame Control to Melt Metal5 Mar 2026US 2026/0063367 A1Air Products and Chemicals, Inc.
- Melting method using multiple impacting flames27 Nov 2025US 2025/0362081 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Systems and methods for cooling in a furnace27 Nov 2025US 2025/0362084 A1Inteco PTI, LLC
Most cited
By later US patents
- Molten metal treatment furnace with level control and method112US 6,503,292 B2Alcoa Inc. · 2003
- Process and apparatus for uniform combustion within a molten material86US 7,273,583 B2Gas Technology Institute · 2007
- Thermophotovoltaic generator in high temperature industrial process77US 6,538,193 B1JX Crystals Inc. · 2003
- Apparatus for electric steelmaking43US 5,714,113 AAmerican Combustion, Inc. · 1998
- Direct smelting plant43US 8,562,903 B2Technological Resources Pty. Limited · 2013