Assignee
LENNOX IND INC
US·685 granted patents·94 pending applications·5,154 citations·filing 1973–2025
Top patents by PatentIndex Score
779 records- 0199US11441803B2HVAC system and method of circulating flammable refrigerantLENNOX IND INC·Filed 2021·Granted Sep 13, 2022·11 cites·21 claims
- 0298US9857090B2Programmable smart thermostatLENNOX IND INC·Filed 2015·Granted Jan 2, 2018·56 cites·12 claims
- 0398USD798310SDisplay screen with graphical user interfaceLENNOX IND INC·Filed 2015·Granted Sep 26, 2017·49 cites·1 claims
- 0498USD798311SDisplay screen with graphical user interfaceLENNOX IND INC·Filed 2015·Granted Sep 26, 2017·123 cites·1 claims
- 0598US6826921B1Air conditioning system with variable condenser reheat for enhanced dehumidificationLENNOX IND INC·Filed 2003·Granted Dec 7, 2004·184 cites·29 claims
- 0697US11781793B2Control systems and methods for preventing evaporator coil freezeLENNOX IND INC·Filed 2020·Granted Oct 10, 2023·4 cites·16 claims
- 0797US11644225B2Method and apparatus for refrigerant leak detectionLENNOX IND INC·Filed 2021·Granted May 9, 2023·3 cites·20 claims
- 0897US11578887B2HVAC system leak detectionLENNOX IND INC·Filed 2021·Granted Feb 14, 2023·7 cites·20 claims
- 0997US11293659B2Detection of a reversing valve faultLENNOX IND INC·Filed 2020·Granted Apr 5, 2022·13 cites·17 claims
- 1097US11150162B1Determination of pulley ratio of a belt-drive blowerLENNOX IND INC·Filed 2020·Granted Oct 19, 2021·6 cites·20 claims
- 1196US11747040B2Determination of blower flow rateLENNOX IND INC·Filed 2022·Granted Sep 5, 2023·2 cites·20 claims
- 1296US11519629B2Determination of blower flow rateLENNOX IND INC·Filed 2020·Granted Dec 6, 2022·3 cites·20 claims
- 1396US11255562B2HVAC control during demand response eventLENNOX IND INC·Filed 2020·Granted Feb 22, 2022·4 cites·20 claims
- 1496US11193685B2System and method for distinguishing HVAC system faultsLENNOX IND INC·Filed 2020·Granted Dec 7, 2021·5 cites·20 claims
- 1595US11879661B2Dynamic temperature control for a heating, ventilation, and air conditioning systemLENNOX IND INC·Filed 2022·Granted Jan 23, 2024·2 cites·20 claims
- 1695US11609046B2Detecting loss of charge in HVAC systemsLENNOX IND INC·Filed 2021·Granted Mar 21, 2023·3 cites·20 claims
- 1795US11378313B2Method and apparatus for refrigerant detector calibration confirmationLENNOX IND INC·Filed 2020·Granted Jul 5, 2022·3 cites·16 claims
- 1895US11293658B2System and method for identifying causes of HVAC system faultsLENNOX IND INC·Filed 2020·Granted Apr 5, 2022·4 cites·17 claims
- 1995US11287153B2Method and apparatus for risk reduction during refrigerant leakLENNOX IND INC·Filed 2019·Granted Mar 29, 2022·9 cites·20 claims
- 2095US11098915B2HVAC systems and methods with refrigerant purgeLENNOX IND INC·Filed 2019·Granted Aug 24, 2021·14 cites·20 claims
- 2195US11009249B2Peak demand response operation with improved sensible capacityLENNOX IND INC·Filed 2019·Granted May 18, 2021·10 cites·15 claims
- 2295US10941953B2HVAC system and method of circulating flammable refrigerantLENNOX IND INC·Filed 2018·Granted Mar 9, 2021·8 cites·20 claims
- 2395US10816232B2Systems and methods for pumping down flammable refrigerantLENNOX IND INC·Filed 2019·Granted Oct 27, 2020·12 cites·17 claims
- 2495US10767882B2Refrigerant pump down for an HVAC systemLENNOX IND INC·Filed 2018·Granted Sep 8, 2020·13 cites·23 claims
- 2595US10174967B2Multiple stage modulating gas fired heat exchangerLENNOX IND INC·Filed 2015·Granted Jan 8, 2019·8 cites·29 claims
- 2695USD734179SWall mountable thermostatLENNOX IND INC·Filed 2015·Granted Jul 14, 2015·98 cites·1 claims
- 2795US8352081B2Communication protocol system and method for a distributed-architecture heating, ventilation and air conditioning networkLENNOX IND INC·Filed 2009·Granted Jan 8, 2013·35 cites·20 claims
- 2895US5752500ADraft hood locating device for combustion apparatusLENNOX IND INC·Filed 1996·Granted May 19, 1998·128 cites·22 claims
- 2994US12203671B2Automatic staging of multiple HVAC systems during a peak demand responseLENNOX IND INC·Filed 2023·Granted Jan 21, 2025·3 cites·20 claims
- 3094US11802703B2Automatic staging of multiple HVAC systems during a peak demand responseLENNOX IND INC·Filed 2022·Granted Oct 31, 2023·3 cites·20 claims
- 3194US11143425B1Determination of return air temperatureLENNOX IND INC·Filed 2020·Granted Oct 12, 2021·3 cites·20 claims
- 3294US11060775B2Method and apparatus for refrigerant leak detectionLENNOX IND INC·Filed 2017·Granted Jul 13, 2021·10 cites·17 claims
- 3394US10480807B2HVAC systems and methods with refrigerant leak detectionLENNOX IND INC·Filed 2017·Granted Nov 19, 2019·11 cites·6 claims
- 3494US10024591B2Sensor failure error handlingLENNOX IND INC·Filed 2015·Granted Jul 17, 2018·7 cites·7 claims
- 3594USD733591SWall mountable thermostatLENNOX IND INC·Filed 2015·Granted Jul 7, 2015·117 cites·1 claims
- 3694US8876092B2Motor mounting assembly with tunable vibration and noise reduction capabilitiesLENNOX IND INC·Filed 2012·Granted Nov 4, 2014·24 cites·19 claims
- 3794US7823404B2Air conditioning system with variable condenser reheat and refrigerant flow sequencerLENNOX IND INC·Filed 2006·Granted Nov 2, 2010·30 cites·16 claims
- 3894US3978382AControl apparatus for two-speed, single phase compressorLENNOX IND INC·Filed 1974·Granted Aug 31, 1976·73 cites·10 claims
- 3993US11799669B2Secure provisioning of digital certificateLENNOX IND INC·Filed 2022·Granted Oct 24, 2023·2 cites·17 claims
- 4093US11486599B2HVAC system operated with adaptive discharge air temperature setpointLENNOX IND INC·Filed 2021·Granted Nov 1, 2022·3 cites·20 claims
- 4193US11431689B2Secure payload deliveryLENNOX IND INC·Filed 2020·Granted Aug 30, 2022·3 cites·18 claims
- 4293US11193686B2Determination of stuck reversing valveLENNOX IND INC·Filed 2020·Granted Dec 7, 2021·3 cites·20 claims
- 4393US11193683B2Error correction for predictive schedules for a thermostatLENNOX IND INC·Filed 2019·Granted Dec 7, 2021·6 cites·17 claims
- 4493US10928091B2Systems and methods for pumping down flammable refrigerantLENNOX IND INC·Filed 2019·Granted Feb 23, 2021·6 cites·20 claims
- 4593US10473343B2Method and apparatus for reduction of condensate re-evaporation during cooling part-load duty cyclingLENNOX IND INC·Filed 2017·Granted Nov 12, 2019·7 cites·20 claims
- 4693US9765965B2Furnace, a method for operating a furnace and a furnace controller configured for the sameLENNOX IND INC·Filed 2016·Granted Sep 19, 2017·6 cites·16 claims
- 4793USD759012SCentral controllerLENNOX IND INC·Filed 2015·Granted Jun 14, 2016·67 cites·1 claims
- 4893US3935519AControl apparatus for two-speed compressorLENNOX IND INC·Filed 1974·Granted Jan 27, 1976·72 cites·4 claims
- 4992US12117188B2Indoor air quality monitors for commercial HVAC systemsLENNOX IND INC·Filed 2022·Granted Oct 15, 2024·4 cites·20 claims
- 5092US11920819B2HVAC system operated with adaptive discharge air temperature setpointLENNOX IND INC·Filed 2022·Granted Mar 5, 2024·2 cites·20 claims
Showing the top 50 of 779 patent records by PatentIndex Score.
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