Description
Class F23L : AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
Subclass 11/00: Arrangements of valves or dampers after the fire
F23L 11/00
Sub-Class
Stats
- 29 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 12 Total Patent Owners
- 98 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11441785 | Gas furnace | May 28, 20 | Sep 13, 22 | LG Electronics Inc. |
| 11262102 | Vent proving system | Jul 26, 19 | Mar 01, 22 | Field Controls LLC |
| 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. |
| 10816214 | Sealed damper | Mar 11, 16 | Oct 27, 20 | Not available |
| 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. |
| 10401027 | Non-return valve for flue gas venting and damper assembly for use therein | Mar 28, 17 | Sep 03, 19 | IPEX TECHNOLOGIES, INC. |
| 10386093 | Vent proving system | Apr 27, 18 | Aug 20, 19 | Field Controls LLC |
| 10359200 | Home appliance having a flue gas air diverter | Jul 29, 15 | Jul 23, 19 | BSH Home Appliances Corporation; BSH Hausgeräte GmbH; |
| 10281149 | Reverse flow prevention apparatus for common exhaust flue and combustion apparatus having same | May 26, 16 | May 07, 19 | KYUNGDONG NAVIEN CO., LTD. |
| 10203119 | Low profile damper system for ovens | Oct 16, 15 | Feb 12, 19 | Field Controls LLC |
| 10161631 | Self-powered damper system | Dec 08, 16 | Dec 25, 18 | Field Controls LLC |
| 10024536 | Combined combustion device | Jul 22, 13 | Jul 17, 18 | Rinnai Corporation |
| 10024194 | Diverter damper | Jul 12, 12 | Jul 17, 18 | GLOBAL POWER NETHERLANDS B.V. |
| 9958184 | Vent proving system | Nov 16, 10 | May 01, 18 | Field Controls LLC |
| 9927117 | Fossil-fuel power plant and fossil-fuel power plant operation method | Mar 31, 14 | Mar 27, 18 | Electric Power Development Co. Ltd. |
| 9700839 | Air pollution control system and air pollution control method | Nov 18, 13 | Jul 11, 17 | MITSUBISHI HITACHI POWER SYSTEMS, LTD. |
| 9610540 | Exhaust gas treatment apparatus | Aug 23, 13 | Apr 04, 17 | GEESCO CO., LTD. |
| 9546786 | Self-powered damper system | Nov 26, 13 | Jan 17, 17 | FIELD CONTROLS, LLC |
| 9341101 | System for collecting carbon dioxide in flue gas | Dec 02, 13 | May 17, 16 | KYUSHU ELECTRIC POWER CO., INC., MITSUBISHI HEAVY INDUSTRIES, LTD., |
| 9249711 | System for collecting carbon dioxide in flue gas | Dec 02, 13 | Feb 02, 16 | KYUSHU ELECTRIC POWER CO., INC., MITSUBISHI HEAVY INDUSTRIES, LTD., |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0257,431 | FLUE DAMPER HAVING A DAMPER GATE, A SEAL, AND A FLANGE | Feb 21, 19 | Aug 22, 19 | Field Controls LLC |
| 2016/0018,130 | FLUE HAVING AN ADJUSTABLE FLUE GAS FLOW UNIT | Sep 14, 15 | Jan 21, 16 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)