Description
Class F23C : METHODS OR APPARATUS FOR COMBUSTION USING FLUENT FUEL
Subclass 6/04: Combustion apparatus characterised by the combination of two or more combustion chambers in series connection
F23C 6/04
Sub-Class
Stats
- 158 US PATENTS IN FORCE
- 28 US APPLICATIONS PENDING
- 49 Total Patent Owners
- 489 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12253259 | Combustion systems including heat modules, and associated devices and methods | Jul 21, 22 | Mar 18, 25 | Modern Hydrogen, Inc. |
| 12241626 | Method and device for flameless stepwise combustion | Nov 08, 19 | Mar 04, 25 | WS-Wärmeprozesstechnik GmbH |
| 12173893 | Cylindrical burner apparatus and method | Jan 12, 22 | Dec 24, 24 | GASTECH ENGINEERING LLC |
| 12173894 | Regenerative burner for strongly reduced NOx emissions | Aug 24, 20 | Dec 24, 24 | GAUTSCHI ENGINEERING GMBH; Ebner Industrieofenbau GmbH; HPI High Performance Industritechnik GmbH; |
| 12085276 | staged combustion system | May 10, 22 | Sep 10, 24 | Xi'an Thermal Power Research Institute Co., Ltd. |
| 12044402 | Method for reducing nitrogen oxides in strip heat treatment furnaces | May 29, 18 | Jul 23, 24 | Andritz Technology and Asset Management GmbH |
| 11927345 | Method and device to reduce emissions of nitrogen oxides and increase heat transfer in fired process heaters | Mar 02, 20 | Mar 12, 24 | XRG Technologies, LLC |
| 11835228 | Cylindrical burner apparatus and method | Jul 13, 20 | Dec 05, 23 | GASTECH ENGINEERING LLC |
| 11747013 | and CO combustion burner method and apparatus | Oct 11, 22 | Sep 05, 23 | John Zink Company LLC |
| 11747014 | Atmosphere-adjustable multi-staged swirl ammonia burner | Jan 20, 22 | Sep 05, 23 | 501 Tsinghua University |
| 11519635 | Gas fired process heater with ultra-low pollutant emissions | Aug 22, 19 | Dec 06, 22 | Gas Technology Institute |
| 11486090 | Method and apparatus for burning odor gas | Dec 13, 18 | Nov 01, 22 | VALMET TECHNOLOGIES OY |
| 11428403 | Gas furnace | Jun 11, 20 | Aug 30, 22 | LG Electronics Inc. |
| 11365880 | Low NOx, high efficiency, high temperature, staged recirculating burner and radiant tube combustion system | Jun 28, 19 | Jun 21, 22 | Saint-Gobain Ceramics & Plastics, Inc.; Selas Heat Technology Company LLC; |
| 11353211 | High turndown ratio gaseous fuel burner nozzle and control | Apr 04, 19 | Jun 07, 22 | Gas Technology Institute |
| 11326773 | Waste heat recovery boiler in producing glass beads | Sep 18, 18 | May 10, 22 | Not available |
| 11261117 | System and method for synchronized oxy-fuel boosting of a regenerative glass melting furnace | Oct 19, 20 | Mar 01, 22 | Air Products and Chemicals, Inc. |
| 11233484 | Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers | May 07, 19 | Jan 25, 22 | Johns Manville |
| 11175035 | Burners for conversion of methane to olefins, aromatics, and nanoparticles | Oct 10, 17 | Nov 16, 21 | King Abdullah University of Science and Technology |
| 11160417 | Burner system for a cooking appliance, and method for operating a burner system for a cooking appliance | Nov 22, 17 | Nov 02, 21 | RATIONAL INTERNATIONAL AG |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0091,025 | OPERATING A FEEDSTOCK REACTOR | Sep 18, 24 | Mar 20, 25 | Not available |
| 2025/0093,024 | BURNER SYSTEM INCLUDING A DISTAL FLAME HOLDER AND A NON-REACTIVE FLUID SOURCE | Oct 03, 24 | Mar 20, 25 | Not available |
| 2025/0027,643 | HEATER WITH REMOTE COMBUSTION AIR ADDITION | Jul 17, 24 | Jan 23, 25 | Not available |
| 2025/0003,585 | GAS DISTRIBUTION COMPONENT FOR BURNER | Jun 27, 24 | Jan 02, 25 | L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude |
| 2024/0410,569 | Biomass Fuel Burning Furnace | Mar 12, 24 | Dec 12, 24 | Not available |
| 2024/0391,768 | PARALLEL PROCESS HEATING AGAINST SERIAL COMBUSTION | May 25, 23 | Nov 28, 24 | Not available |
| 2024/0343,020 | STEEL SHEET COATING APPARATUS AND STEEL SHEET COATING METHOD USING THE APPARATUS | Jun 27, 24 | Oct 17, 24 | Not available |
| 2024/0344,693 | Burner Device with Primary Air Chamber, Staged Air Chamber, and Tertiary Air Chamber | Mar 25, 24 | Oct 17, 24 | Not available |
| 2024/0310,038 | DARK RADIATOR | Dec 06, 22 | Sep 19, 24 | Schwank GmbH |
| 2024/0210,113 | BURNER, APPARATUS AND METHOD FOR THE FIRING OF CERAMIC ARTICLES | May 24, 22 | Jun 27, 24 | Not available |
| 2024/0167,679 | COMBUSTION SYSTEM WITH MIXING AND FLAME ARRESTING FOR POLLUTION REDUCTION | Nov 17, 23 | May 23, 24 | Not available |
| 2023/0288,058 | PROCESSES AND APPARATUSES FOR BURNING A HYDROGEN FUEL AND A HYDROCARBON FUEL | Jan 12, 23 | Sep 14, 23 | Not available |
| 2023/0213,182 | LOW NOX GAS BURNER WITH COOLED FLUE GAS RECYCLE | Dec 07, 22 | Jul 06, 23 | Not available |
| 2023/0049,414 | OXY FLAT FLAME BURNER AND BLOCK ASSEMBLY | Feb 12, 20 | Feb 16, 23 | Selas Heat Technology Company LLC |
| 2023/0003,378 | METHOD AND DEVICE FOR HEATING A FURNACE | Dec 17, 20 | Jan 05, 23 | Not available |
| 2022/0316,700 | LOW NOX BURNER WITH BYPASS CONDUIT | Oct 22, 21 | Oct 06, 22 | Not available |
| 2022/0275,932 | LOW NOX, HIGH EFFICIENCY, HIGH TEMPERATURE, STAGED RECIRCULATING BURNER AND RADIANT TUBE COMBUSTION SYSTEM | May 19, 22 | Sep 01, 22 | Not available |
| 2022/0268,439 | DRY LOW NOx STAGED COMBUSTION SYSTEM | May 10, 22 | Aug 25, 22 | Not available |
| 2022/0143,570 | Design and Scheduling of Semi-Batch Chemical-Looping Reactors | Nov 08, 21 | May 12, 22 | University of Connecticut |
| 2021/0190,310 | BURNER SYSTEM INCLUDING A DISTAL FLAME HOLDER AND A NON-REACTIVE FLUID SOURCE | Jan 30, 20 | Jun 24, 21 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)