Description
Class F23N : REGULATING OR CONTROLLING COMBUSTION
Subclass 3/04: Regulating air supply or draught (conjointly with fuel supply F23N 1/00) by operation of single valves or dampers by temperature-sensitive elements
F23N 3/04
Sub-Class
Stats
- 28 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 9 Total Patent Owners
- 64 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12038173 | Coal-fired power generation system and air heat with recirculation path and related method | Nov 12, 21 | Jul 16, 24 | Orlando Utilities Commission |
| 11796187 | Electronically controlled vent damper | Dec 10, 18 | Oct 24, 23 | MIDEA GROUP CO., LTD. |
| 11480334 | Integrated damper control system | Mar 25, 19 | Oct 25, 22 | Field Controls LLC |
| 11261545 | Carbon fiber production method | Mar 08, 18 | Mar 01, 22 | Toray Industries Inc. |
| 11022305 | Control system and method for a solid fuel combustion appliance | Mar 16, 19 | Jun 01, 21 | Maxitrol Company |
| 10976075 | System and method to reduce standby energy loss in a gas burning appliance and components for use therewith | Dec 16, 16 | Apr 13, 21 | INVENSYS CONTROLS AUSTRALIA PTY LTD. |
| 10955137 | Combustion device capable of measuring gas use amount, and method for measuring gas use amount | Dec 09, 16 | Mar 23, 21 | Kyungdong Navien Co., Ltd. |
| 10724737 | Biomass auto combustion chamber | Dec 23, 16 | Jul 28, 20 | MICROSYSTEMFUEL S.R.L. |
| 10704788 | Solid fuel burning appliance having an air intake control assembly and method for controlling an air intake into a combustion chamber of a solid fuel burning appliance | Aug 17, 17 | Jul 07, 20 | FABRICANT DE POÊLES INTERNATIONAL INC. |
| 10677495 | Stove | Jun 15, 17 | Jun 09, 20 | NIBE AB |
| 10557632 | Intelligent oxygen level controller for biofuel-fired burner | Nov 29, 16 | Feb 11, 20 | Biomass Controls PBC |
| 10502455 | System and method to reduce standby energy loss in a gas burning appliance and components for use therewith | Jan 14, 10 | Dec 10, 19 | INVENSYS CONTROLS AUSTRALIA PTY LTD. |
| 10337739 | Combustion bypass passive valve system for a gas turbine | Aug 16, 16 | Jul 02, 19 | General Electric Company |
| 10240787 | Integrated damper control system | Apr 27, 12 | Mar 26, 19 | Field Controls LLC |
| 10234139 | Control system and method for a solid fuel combustion appliance | Feb 03, 17 | Mar 19, 19 | Maxitrol Company |
| 10222061 | Method and burner using the curie effect for controlling reactant velocity for operation in pre-heated and non-pre-heated modes | Jan 05, 17 | Mar 05, 19 | American Air Liquide, Inc. |
| 10082086 | Method to operate a combustor of a gas turbine | Jun 04, 13 | Sep 25, 18 | Siemens Aktiengesellschaft |
| 10060624 | Damper for direct vent fireplace insert | Oct 18, 10 | Aug 28, 18 | Miles Industries Ltd. |
| 9803862 | Control system and method for a solid fuel combustion appliance | May 23, 11 | Oct 31, 17 | MAXITROL COMPANY |
| 9714766 | System for gasifying biomass and other waste | Jun 08, 11 | Jul 25, 17 | LEGGETT OF EDGECOMBE COUNTY, LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0003,587 | COMBUSTION SYSTEM WITH AUTOMATED CONTROL OF PRIMARY AND SECONDARY AIRFLOWS | Jun 28, 24 | Jan 02, 25 | Not available |
| 2024/0263,805 | GAS HEATER | May 18, 23 | Aug 08, 24 | SHINERICH INDUSTRIAL LTD. |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 41 Months (last 2 years Issuances)
- 41 Months (last 5 years Issuances)