2019/0257,431 | FLUE DAMPER HAVING A DAMPER GATE, A SEAL, AND A FLANGE | Feb 21, 19 | Aug 22, 19 | Field Controls LLC |
2018/0283,685 | Non-Return Valve for Flue Gas Venting and Damper Assembly for Use Therein | Mar 28, 17 | Oct 04, 18 | IPEX TECHNOLOGIES, INC. |
2017/0089,575 | SELF-POWERED DAMPER SYSTEM | Dec 08, 16 | Mar 30, 17 | FIELD CONTROLS, LLC |
2016/0040,874 | CHIMNEY CAP LINK | Jul 17, 15 | Feb 11, 16 | Not available |
2016/0040,875 | Double wall insulated cap | Jul 17, 15 | Feb 11, 16 | Not available |
2016/0018,130 | FLUE HAVING AN ADJUSTABLE FLUE GAS FLOW UNIT | Sep 14, 15 | Jan 21, 16 | Not available |
2014/0150,770 | SELF-POWERED DAMPER SYSTEM | Nov 26, 13 | Jun 05, 14 | FIELD CONTROLS, LLC |
2014/0041,648 | STACK APPARATUS TO CONTROL FURNACE GAS EXIT VELOCITY | Aug 09, 12 | Feb 13, 14 | SELAS FLUID PROCESSING CORPORATION |
2014/0027,660 | LOW LEAKAGE FLUE DAMPER | Jul 22, 13 | Jan 30, 14 | FIELD CONTROLS, LLC |
2014/0020,674 | CHIMNEY BLOCKING APPARATUS | Feb 13, 12 | Jan 23, 14 | Not available |
2013/0092,105 | FLUE HAVING AN ADJUSTABLE FLUE GAS FLOW UNIT | May 31, 11 | Apr 18, 13 | Not available |
2012/0282,557 | INTEGRATED DAMPER CONTROL SYSTEM | Apr 27, 12 | Nov 08, 12 | FIELD CONTROLS, LLC, Fields Controls, LLC, |
2011/0054,711 | DAMPER CONTROL SYSTEM | Sep 03, 09 | Mar 03, 11 | HONEYWELL INTERNATIONAL INC. |
2009/0235,916 | NON-RETURN VALVE FOR AN EXHAUST DUCT OF FLUE GASSES | Mar 17, 09 | Sep 24, 09 | MIND AG |
2008/0283,039 | OVERFIRE AIR TUBE DAMPER FOR BOILER AND METHOD FOR REGULATING OVERFIRE AIR | May 16, 07 | Nov 20, 08 | GENERAL ELECTRIC COMPANY |
2007/0289,588 | DAMPER REGULATOR ASSEMBLY | Jun 14, 06 | Dec 20, 07 | Duro Dyne Corporation |
2006/0213,501 | Ventilator assembly and method of installing same | May 30, 06 | Sep 28, 06 | Not available |
2006/0070,618 | Gas water heater damper/baffle | May 17, 05 | Apr 06, 06 | Not available |
2005/0247,304 | Millivolt damper control device | May 03, 05 | Nov 10, 05 | Flue Sentinel, Inc. |
2005/0247,303 | Wireless fireplace damper control device | May 03, 05 | Nov 10, 05 | Flue Sentinel, Inc. |