Patent | Date |
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Alternative-fuel gas orifice having principal-fuel gas orifice temperature profile and a heating, ventilation and air conditioning system incorporating the same Grant 10,376,999 - Paller , et al. A | 2019-08-13 |
Furnace, a high fire ignition method for starting a furnace and a furnace controller configured for the same Grant 10,174,969 - Kowald , et al. J | 2019-01-08 |
Condensate trap for heating-cooling systems Grant 10,150,189 - Paller , et al. Dec | 2018-12-11 |
Condensation management system, a furnace including the same and a condensation collection box Grant 9,878,404 - Gedcke , et al. January 30, 2 | 2018-01-30 |
Furnace header box having blocked condensation protection, a furnace including the header box and a blocked condensation protection system Grant 9,815,154 - Kowald , et al. November 14, 2 | 2017-11-14 |
Condensate Trap for Heating-Cooling Systems App 20170254563 - Paller; Hans J. ;   et al. | 2017-09-07 |
Furnace, a High Fire Ignition Method for Starting a Furnace and a Furnace Controller Configured for the Same App 20170211847 - Kowald; Glenn W. ;   et al. | 2017-07-27 |
Condensate trap for heating-cooling systems Grant 9,657,964 - Paller , et al. May 23, 2 | 2017-05-23 |
Furnace, a high fire ignition method for starting a furnace and a furnace controller configured for the same Grant 9,618,231 - Kowald , et al. April 11, 2 | 2017-04-11 |
Alternative-fuel Gas Orifice Having Principal-fuel Gas Orifice Temperature Profile And A Heating, Ventilation And Air Conditioning System Incorporating The Same App 20170080532 - Paller; Hans J. ;   et al. | 2017-03-23 |
Furnace burner box Grant 9,561,564 - Kowald , et al. February 7, 2 | 2017-02-07 |
Alternative-fuel gas orifice having principal-fuel gas orifice temperature profile and a heating, ventilation and air conditioning system incorporating the same Grant 9,541,303 - Paller , et al. January 10, 2 | 2017-01-10 |
Furnace Header Box Having Blocked Condensation Protection, A Furnace Including The Header Box And A Blocked Condensation Protection System App 20160305689 - Kowald; Glenn W. ;   et al. | 2016-10-20 |
Furnace header box having blocked condensation protection, a furnace including the header box and a blocked condensation protection system Grant 9,429,338 - Kowald , et al. August 30, 2 | 2016-08-30 |
Furnace Burner Box App 20160074978 - KOWALD; Glenn W. ;   et al. | 2016-03-17 |
Condensate Trap for Heating-Cooling Systems App 20160040921 - Paller; Hans J. ;   et al. | 2016-02-11 |
Furnace burner box Grant 9,212,820 - Kowald , et al. December 15, 2 | 2015-12-15 |
Condensate trap for heating-cooling systems Grant 9,170,029 - Paller , et al. October 27, 2 | 2015-10-27 |
Converging-diverging Combustion Zones For Furnace Heat Exchanges App 20150020791 - Cherington; Floyd E. ;   et al. | 2015-01-22 |
Converging-diverging combustion zones for furnace heat exchanges Grant 8,875,694 - Cherington , et al. November 4, 2 | 2014-11-04 |
Header box for a furnace, a furnace including the header box and a method of constructing a furnace Grant 8,683,993 - Paller , et al. April 1, 2 | 2014-04-01 |
Clamshell heat exchanger Grant 8,646,442 - Manohar , et al. February 11, 2 | 2014-02-11 |
Furnace, A High Fire Ignition Method For Starting A Furnace And A Furnace Controller Configured For The Same App 20130040253 - Kowald; Glenn W. ;   et al. | 2013-02-14 |
Furnace Header Box Having Blocked Condensation Protection, A Furnace Including The Header Box And A Blocked Condensation Protection System App 20110174461 - Kowald; Glenn W. ;   et al. | 2011-07-21 |
Furnace Burner Box App 20110174891 - Kowald; Glenn W. ;   et al. | 2011-07-21 |
Condensate Trap For Heating-cooling Systems App 20110174289 - Paller; Hans J. ;   et al. | 2011-07-21 |
Converging-diverging Combustion Zones For Furnace Heat Exchanges App 20110174287 - Cherington; Floyd E. ;   et al. | 2011-07-21 |
Clamshell Heat Exchanger App 20110174291 - Manohar; Shailesh S. ;   et al. | 2011-07-21 |
Alternative-fuel Gas Orifice Having Principal-fuel Gas Orifice Temperature Profile And A Heating, Ventilation And Air Conditioning System Incorporating The Same App 20110177465 - Paller; Hans J. ;   et al. | 2011-07-21 |
Header Box For A Furnace, A Furnace Including The Header Box And A Method Of Constructing A Furnace App 20110174471 - Paller; Hans J. ;   et al. | 2011-07-21 |
Condensation Management System, A Furnace Including The Same And A Condensation Collection Box App 20110174202 - Gedcke; Jeff P. ;   et al. | 2011-07-21 |