Description
Class F23N : REGULATING OR CONTROLLING COMBUSTION
Subclass 3/06: Regulating air supply or draught (conjointly with fuel supply F23N 1/00) by conjoint operation of two or more valves or dampers (F23N 3/08 takes precedence)
F23N 3/06
Sub-Class
Stats
- 15 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 7 Total Patent Owners
- 33 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11852340 | Systems and methods of configuring a heating system | Mar 30, 21 | Dec 26, 23 | Rheem Manufacturing Company |
| 11585531 | Method for the continuous firing of combustion chambers with at least three regenerative burners | Mar 23, 20 | Feb 21, 23 | Hertwich Engineering GmbH |
| 11464172 | Horticultural smudging system and method | Jan 23, 20 | Oct 11, 22 | Not available |
| 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. |
| 10156190 | Gas turbine engine uncontrolled high thrust accommodation system and method | May 20, 15 | Dec 18, 18 | Honeywell International Inc. |
| 9945558 | Oxyfuel combustion boiler system | Sep 12, 14 | Apr 17, 18 | IHI CORPORATION |
| 9803870 | Method for burning a fuel in a wood stove, a wood stove with a controller; and an air regulator for a wood stove | Nov 07, 12 | Oct 31, 17 | IHS INNOVATION APS |
| 9709264 | Dual venturi for water heater | Jan 21, 13 | Jul 18, 17 | KYUNGDONG NAVIEN CO., LTD. |
| 9644839 | Dual venturi for water heater | Jan 22, 13 | May 09, 17 | KYUNGDONG NAVIEN CO., LTD. |
| RE46308 | Dual fuel heater | Sep 25, 15 | Feb 14, 17 | COPRECITEC, S.L. |
| 8955764 | Building heat exchange system | Oct 24, 13 | Feb 17, 15 | Not available |
| 8777609 | Dual fuel heater | Mar 13, 13 | Jul 15, 14 | COPRECITEC, S.L. |
| 8636501 | Method for regulating and controlling a firing device and firing device | Oct 19, 10 | Jan 28, 14 | Landshut GmbH |
| 8500441 | Method for regulating and controlling a firing device and a firing device | Jun 20, 05 | Aug 06, 13 | EBM-PAPST LANDSHUT GMBH |
| 8443739 | Tertiary air addition to solid waste-fired furnaces for NOx control | Jan 26, 11 | May 21, 13 | COVANTA ENERGY, LLC |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)