Description
Class F23L : AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
Subclass 9/02: Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air above the fire
F23L 9/02
Sub-Class
Stats
- 27 US PATENTS IN FORCE
- 8 US APPLICATIONS PENDING
- 15 Total Patent Owners
- 93 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11892200 | Furnace | Jun 15, 20 | Feb 06, 24 | FIRE CHIEF INDUSTRIES LLC |
| 11867391 | Dynamic heat release calculation for improved feedback control of solid-fuel-based combustion processes | Sep 11, 18 | Jan 09, 24 | ENERO INVENTIONS INC. |
| 11747014 | Atmosphere-adjustable multi-staged swirl ammonia burner | Jan 20, 22 | Sep 05, 23 | 501 Tsinghua University |
| 11054134 | Portable combustion/pyrolization system with first and second air sources | Apr 15, 19 | Jul 06, 21 | Tigercat Industries Inc. |
| 10982843 | Over fire arrangement and method | Jun 29, 17 | Apr 20, 21 | Teknologian tutkimuskeskus VTT Oy |
| 10890321 | Combustor for various types of solid fuels | Feb 28, 17 | Jan 12, 21 | Not available |
| 10801738 | Furnace | Aug 09, 17 | Oct 13, 20 | FIRE CHIEF INDUSTRIES LLC |
| 10684008 | Evaporation type burner | Jun 02, 16 | Jun 16, 20 | SANGO Co., Ltd. |
| 10684040 | Furnace | Aug 25, 16 | Jun 16, 20 | FIRE CHIEF INDUSTRIES LLC |
| 10634341 | Overfire air system for low nitrogen oxide tangentially fired boiler | Aug 23, 16 | Apr 28, 20 | General Electric Technology GmbH |
| 10598376 | Apparatus and method for improving campfire heat distribution and airflow | Mar 04, 17 | Mar 24, 20 | Not available |
| 10591160 | Hybrid combustion apparatus using pyrolysis of water and combustion air | Apr 12, 18 | Mar 17, 20 | Not available |
| 10415821 | Burner | Nov 23, 11 | Sep 17, 19 | LINKA MASKINFABRIK A/S |
| 10359193 | Combustion device | Jul 08, 14 | Jul 23, 19 | MITSUBISHI HITACHI POWER SYSTEMS, LTD. |
| 10197286 | Combustion system | May 04, 12 | Feb 05, 19 | Not available |
| 9945556 | Fossil-fuel power generation system assisted by waste incineration | Feb 09, 15 | Apr 17, 18 | Not available |
| 9869468 | Burner device for high-temperature air combustion | Jan 27, 12 | Jan 16, 18 | IHI CORPORATION |
| 9759448 | Mobile heating device operated with liquid fuel | Feb 22, 13 | Sep 12, 17 | WEBASTO SE |
| 9719677 | Pulverized coal fired boiler with wall-attachment secondary air and grid overfire air | Jan 15, 13 | Aug 01, 17 | YANTAI LONGYUAN POWER TECHNOLOGY CO., LTD. |
| 9696030 | Oxy-combustion coupled firing and recirculation system | Jan 28, 13 | Jul 04, 17 | GENERAL ELECTRIC TECHNOLOGY GMBH |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0052,419 | BURNER AND COMBUSTION FURNACE | Dec 22, 22 | Feb 13, 25 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2025/0052,420 | BURNER AND COMBUSTION FURNACE | Dec 27, 22 | Feb 13, 25 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2024/0353,098 | GAS-FIRED BURNER, IN PARTICULAR FOR A DRYING DRUM OF AN ASPHALT MIXING PLANT | Aug 31, 21 | Oct 24, 24 | Not available |
| 2024/0288,156 | NON-GAS FIRE PIT | Apr 05, 24 | Aug 29, 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 |
| 2023/0258,334 | Non-Complex, Naturally Aspirated, Increased Efficiency, Reduced Smoke, Reduced Creosote Combustion Chamber Utilizing Wood, Wood Products, and/or other solid Organic Materials as Fuel. | Feb 15, 22 | Aug 17, 23 | Not available |
| 2019/0063,745 | COMBUSTION PLANT AND METHOD FOR OPERATING A COMBUSTION PLANT | Aug 22, 18 | Feb 28, 19 | Martin GmbH fuer Umwelt-und Energietechnik |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 40 Months (last 2 years Issuances)
- 40 Months (last 5 years Issuances)