Description
Class F23N : REGULATING OR CONTROLLING COMBUSTION
Subclass 3/00: Regulating air supply or draught (conjointly with fuel supply F23N 1/00)
F23N 3/00
Sub-Class
Stats
- 128 US PATENTS IN FORCE
- 32 US APPLICATIONS PENDING
- 55 Total Patent Owners
- 584 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12259136 | Systems and methods for operation of a flexible fuel combustor | Aug 08, 23 | Mar 25, 25 | 8 RIVERS CAPITAL, LLC |
| 12253284 | Systems and methods for operating a furnace | Mar 09, 23 | Mar 18, 25 | TRANE INTERNATIONAL INC. |
| 12092328 | Systems and methods for extending the turndown ratio of gas-fired burner systems | May 30, 23 | Sep 17, 24 | Rheem Manufacturing Company |
| 12031721 | Atomization burner with flexible fire rate | Sep 23, 19 | Jul 09, 24 | BABINGTON TECHNOLOGY, INC. |
| 11976821 | Control system for a fuel burning appliance and a method of operating such an appliance | Mar 05, 21 | May 07, 24 | Wolf Steel Ltd. |
| 11867408 | Outdoor cooking system with improved heat and flame control | Mar 02, 22 | Jan 09, 24 | Magma Products Inc. |
| 11852346 | System and method for bimodal air control in a kettle-style grill | Mar 30, 23 | Dec 26, 23 | Spider Grills, LLC |
| 11844463 | Grill with cold smoke grilling modes | Jan 24, 22 | Dec 19, 23 | Traeger Pellet Grills, LLC |
| 11828468 | Systems and methods for operation of a flexible fuel combustor | Nov 12, 21 | Nov 28, 23 | 8 RIVERS CAPITAL, LLC |
| 11703224 | Systems and methods for extending the turndown ratio of gas-fired burner systems | Apr 17, 20 | Jul 18, 23 | Rheem Manufacturing Company |
| 11703280 | Method and shaft furnace for burning carbon-containing material in a shaft furnace | Mar 04, 20 | Jul 18, 23 | Maerz Ofenbau AG; THYSSENKRUPP AG; |
| 11686472 | Controlled secondary air supply range burner | Jun 02, 21 | Jun 27, 23 | Gas Technology Institute |
| 11506381 | Plug-resistant burner tip and method | May 15, 20 | Nov 22, 22 | Zeeco Inc. |
| 11499714 | Gas burner system and method thereof | Mar 28, 22 | Nov 15, 22 | Not available |
| 11464172 | Horticultural smudging system and method | Jan 23, 20 | Oct 11, 22 | Not available |
| 11428407 | Combustion air proving apparatus with burner cut-off capability and method of performing the same | Sep 26, 19 | Aug 30, 22 | Cowles Operating Company |
| 11326778 | Gas burner system and method thereof | Aug 02, 21 | May 10, 22 | Not available |
| 11259667 | Grill with cold smoke grilling modes | Mar 22, 19 | Mar 01, 22 | Traeger Pellet Grills, LLC |
| 11261545 | Carbon fiber production method | Mar 08, 18 | Mar 01, 22 | Toray Industries Inc. |
| 11236905 | Trash burning receptacle | Feb 18, 20 | Feb 01, 22 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0102,143 | LOWERING EMISSIONS THAT RESULT FROM FUEL COMBUSTION IN BOILERS | Sep 21, 23 | Mar 27, 25 | Not available |
| 2025/0060,101 | METHODS AND SYSTEMS FOR MINIMIZING NOx AND CO EMISSIONS IN NATURAL DRAFT HEATERS | Nov 07, 24 | Feb 20, 25 | Not available |
| 2025/0043,954 | ATOMIZATION BURNER WITH FLEXIBLE FIRE RATE | May 16, 24 | Feb 06, 25 | BABINGTON TECHNOLOGY, INC. |
| 2024/0401,805 | Virtual Sensor for Combustion Furnace | May 10, 24 | Dec 05, 24 | Not available |
| 2024/0353,103 | FURNACE, SYSTEM, AND METHOD FOR CALIBRATING FLAME CURRENT IN FURNACE | Apr 05, 24 | Oct 24, 24 | Not available |
| 2024/0351,877 | Process and Apparatus for Oxygen Injection in a Sulfur Furnace | Apr 20, 23 | Oct 24, 24 | Messer Industries USA, Inc. |
| 2024/0344,695 | ADJUSTABLE BURNER NOZZLE FOR MULTIPLE FUELS | Apr 13, 23 | Oct 17, 24 | Not available |
| 2024/0288,160 | METHOD FOR BURNING A LIQUID OR GASEOUS FUEL IN A BOILER, BOILER FOR CARRYING OUT THE METHOD AND THERMAL BATH HAVING A BOILER | Aug 25, 22 | Aug 29, 24 | Not available |
| 2024/0230,101 | PARTICLE EXHAUST SENSOR FOR A SOLID FUEL-BURNING APPLIANCE AND SOLID FUEL-BURNING APPLIANCE INCLUDING SAME | Dec 29, 23 | Jul 11, 24 | Not available |
| 2024/0183,535 | METHOD FOR REGULATING A PELLET-FIRED BURNER AND CORRESPONDING INSTALLATION | Apr 21, 22 | Jun 06, 24 | N2AIR |
| 2024/0110,702 | COMBUSTION AIR PROVING APPARATUS WITH BURNER CUT-OFF CAPABILITY AND METHOD OF PERFORMING THE SAME | Dec 13, 23 | Apr 04, 24 | Not available |
| 2024/0068,666 | System and Method for Bimodal Air Control in a Kettle-style Grill | Nov 09, 23 | Feb 29, 24 | Spider Grills, LLC |
| 2024/0053,006 | COMPENSATOR FOR CONTROLLING AIRFLOW IN FIRED HEATER | Aug 09, 23 | Feb 15, 24 | Not available |
| 2024/0018,921 | Combustion Apparatus with Mass Flow Sensor | Jul 07, 23 | Jan 18, 24 | SIEMENS AKTIENGESELLSCHAFT |
| 2023/0400,184 | METHODS AND SYSTEMS FOR MINIMIZING NOx AND CO EMISSIONS IN NATURAL DRAFT HEATERS | Aug 25, 23 | Dec 14, 23 | Not available |
| 2023/0288,064 | SECONDARY COMBUSTION FURNACE WITH COMBUSTION SPEED ADJUSTMENT FUNCTION | May 23, 23 | Sep 14, 23 | Not available |
| 2023/0175,693 | FAN APPARATUS | Nov 11, 22 | Jun 08, 23 | Rinnai Corporation |
| 2023/0032,262 | Improved process and plant for preheating a metal charge fed in continuous to an electric melting furnace | Dec 14, 20 | Feb 02, 23 | Not available |
| 2023/0017,088 | Closed-Loop Control of a Combustion Apparatus | Jul 14, 22 | Jan 19, 23 | Siemens Aktiengesellschaft |
| 2023/0003,381 | METHOD AND APPARATUS FOR REGULATING A FLAME LENGTH IN A PARTIAL OXIDATION REACTOR | Jun 30, 22 | Jan 05, 23 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)