Description
Class F23N : REGULATING OR CONTROLLING COMBUSTION
Subclass 3/02: Regulating air supply or draught (conjointly with fuel supply F23N 1/00) Regulating draught by direct pressure operation of single valves or dampers
F23N 3/02
Sub-Class
Stats
- 13 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 7 Total Patent Owners
- 34 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 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. |
| 10598404 | Damper with adjustable resistance to blade motion | Jun 26, 17 | Mar 24, 20 | Research Products Corporation |
| 9857078 | Signal responsive well test burner | Feb 01, 13 | Jan 02, 18 | HALLIBURTON ENERGY SERVICES, INC. |
| RE46600 | Multi-gas valve for a gas burning appliance | Apr 09, 13 | Nov 07, 17 | COPRECITEC, S.L. |
| 8449289 | Multi-gas appliance | Dec 02, 11 | May 28, 13 | COPRECITEC, S.L. |
| 8282390 | Rotary valve arranged in multi-gas cooker | Oct 04, 11 | Oct 09, 12 | COPRECITEC, S.L. |
| 8092212 | Rotary valve arranged in multi-gas cooker | Dec 16, 09 | Jan 10, 12 | COPRECITEC, S.L. |
| 8070481 | Combustion blower control for modulating furnace | May 27, 08 | Dec 06, 11 | HONEYWELL INTERNATIONAL INC. |
| 7985066 | Combustion blower control for modulating furnace | Jun 10, 08 | Jul 26, 11 | HONEYWELL INTERNATIONAL INC. |
| 7963763 | Multi-gas cooker, with a rotary valve provided with interchangeable regulating means | Dec 16, 09 | Jun 21, 11 | COPRECITEC, S.L. |
| 7950919 | Method and apparatus for monitoring and controlling the stability of a burner of a fired heater | Oct 12, 05 | May 31, 11 | SHELL OIL COMPANY |
| 7849805 | System and method for the operation of a furnace that is operated with at least one coal pulverizer | Feb 04, 08 | Dec 14, 10 | GENERAL ELECTRIC TECHNOLOGY GMBH |
| 6681497 | Web dryer with fully integrated regenerative heat source and control thereof | Nov 15, 02 | Jan 27, 04 | BABCOCK & WILCOX MEGTEC, LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0310,044 | ELECTRICAL HEATER RADIANT BOX PURGE AND PRESSURE RELIEF | Mar 13, 24 | Sep 19, 24 | Lummus Technology LLC |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)