Description
Class F23L : AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
Subclass 15/00: Heating of air supplied for combustion
F23L 15/00
Sub-Class
Stats
- 60 US PATENTS IN FORCE
- 9 US APPLICATIONS PENDING
- 42 Total Patent Owners
- 369 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264066 | Process and apparatus for acid regeneration | Apr 25, 22 | Apr 01, 25 | Messer Industries USA, Inc. |
| 12179165 | Reforming furnace | Mar 26, 20 | Dec 31, 24 | Osaka Gas Co., Ltd. |
| 12173655 | Flame control in an oxyfuel combustion process | Aug 26, 20 | Dec 24, 24 | 8 RIVERS CAPITAL, LLC |
| 12151249 | System and method for integrated removal of multiple pollutants in flue gas with near-zero emission | Oct 14, 21 | Nov 26, 24 | HUANENG CLEAN ENERGY RESEARCH INSTITUTE |
| 12146663 | Cabinet circulator solid fuel heater combustion system | Feb 22, 22 | Nov 19, 24 | United States Stove Company |
| 11959639 | emission | Sep 05, 17 | Apr 16, 24 | Technip France |
| 11892200 | Furnace | Jun 15, 20 | Feb 06, 24 | FIRE CHIEF INDUSTRIES LLC |
| 11261545 | Carbon fiber production method | Mar 08, 18 | Mar 01, 22 | Toray Industries Inc. |
| 11242989 | Combustion apparatus | Sep 13, 19 | Feb 08, 22 | Harris Multi Jet Burner Ltd |
| 11226092 | Low NOx combustion devices and methods | Sep 22, 17 | Jan 18, 22 | Utilization Technology Development NFP |
| 11199301 | Luminous fluid sculptures | Sep 03, 18 | Dec 14, 21 | Not available |
| 11118512 | Gas turbine | Mar 28, 17 | Sep 14, 21 | MITSUBISHI POWER, LTD. |
| 10890321 | Combustor for various types of solid fuels | Feb 28, 17 | Jan 12, 21 | Not available |
| 10712088 | Temperature balancing for thermal integration of an air separation unit (ASU) with a power generation system | May 04, 18 | Jul 14, 20 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude |
| 10563863 | Combustion system | Dec 11, 15 | Feb 18, 20 | Kawasaki Jukogyo Kabushiki Kaisha |
| 10533494 | Solar chemically recuperated gas turbine system | Apr 17, 17 | Jan 14, 20 | ZHEJIANG UNIVERSITY |
| 10436096 | Heat exchanger and method for controlling heat exchanger | Nov 04, 15 | Oct 08, 19 | MITSUBISHI HITACHI POWER SYSTEMS, LTD. |
| 10247422 | Combustion system | Mar 27, 14 | Apr 02, 19 | Not available |
| 10024535 | Pulverized fuel supply method for oxyfuel combustion boiler, and oxyfuel combustion boiler system | May 06, 14 | Jul 17, 18 | IHI CORPORATION |
| 9851101 | Boiler system and power plant including the same | Jun 05, 15 | Dec 26, 17 | MITSUBISHI HITACHI POWER SYSTEMS, LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0390,838 | A system for reducing ammonium bisulfate blockage in air preheaters of coal-fired power plants | Sep 15, 22 | Nov 28, 24 | Not available |
| 2024/0392,971 | SMOKELESS FIREPIT | Mar 24, 24 | Nov 28, 24 | Not available |
| 2024/0302,048 | STOVE WITH SELF-AIR DRAWING AND HEATING FOR PRIMARY BURN | May 15, 24 | Sep 12, 24 | Not available |
| 2024/0247,808 | BIOMASS STOVE WITH WARMED SECONDARY COMBUSTION AIR | Jan 22, 24 | Jul 25, 24 | Not available |
| 2024/0175,606 | FURNACE | Feb 06, 24 | May 30, 24 | Not available |
| 2022/0349,571 | OXY-PFBC TEMPERATURE MANAGEMENT THROUGH STAGED GAS INJECTION AND GAS VELOCITY MANAGEMENT | May 03, 22 | Nov 03, 22 | GAS TECHNOLOGY INTITUTE |
| 2017/0016,619 | START-UP TORCH | Sep 28, 16 | Jan 19, 17 | ALTER NRG CORP. |
| 2015/0300,638 | Device for Centrifugal Combustion by Area Using Flow of Combustion Air | Nov 13, 13 | Oct 22, 15 | POSCO |
| 2014/0238,281 | PULVERIZED FUEL SUPPLY METHOD FOR OXYFUEL COMBUSTION BOILER, AND OXYFUEL COMBUSTION BOILER SYSTEM | May 06, 14 | Aug 28, 14 | IHI CORPORATION |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)