Class F24D : DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
Subclass 5/04: Hot-air central heating systems (F24D 10/00, F24D 11/00 take precedence; air conditioning F24F); Exhaust-gas central heating systems operating with discharge of hot air into the space or area to be heated with return of the air to the air heater
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12123623 | System and method for heat and energy recovery and regeneration | Mar 05, 21 | Oct 22, 24 | Commercial Energy Saving Plus, LLC |
| 12092345 | Systems and methods for controlling twinned heating appliances | Mar 16, 21 | Sep 17, 24 | Rheem Manufacturing Company |
| 11971187 | Quick heat algorithm for modulating heating equipment | Jul 01, 21 | Apr 30, 24 | Tyco Fire & Security GmbH |
| 11788736 | Solar air heater | Jan 28, 21 | Oct 17, 23 | Not available |
| 11747039 | Gas furnace | Jul 22, 20 | Sep 05, 23 | LG Electronics Inc. |
| 11739983 | Modulating gas furnace and associated method of control | Sep 17, 20 | Aug 29, 23 | TRANE INTERNATIONAL INC. |
| 11668475 | Induction displacement unit | Sep 24, 18 | Jun 06, 23 | AIR DISTRIBUTION TECHNOLOGIES IP, LLC |
| 11566818 | Solar air heater | Nov 23, 20 | Jan 31, 23 | Not available |
| 11555618 | Multi-zone variable refrigerant flow heating/cooling unit | Jan 07, 21 | Jan 17, 23 | MJC, Inc. |
| 11499726 | Coaxial gas valve assemblies including electronically controlled solenoids | Sep 23, 19 | Nov 15, 22 | Emerson Electric Co. |
| 11493209 | Liner device for a furnace | Jan 23, 20 | Nov 08, 22 | Industrial Ceramic Linings B.V. |
| 11268721 | HVAC system prognostics and diagnostics based on temperature rise or drop | Jun 22, 20 | Mar 08, 22 | Lennox Industries Inc. |
| 11209187 | Condensate drain system for a furnace | Mar 13, 19 | Dec 28, 21 | Johnson Controls Technology Company |
| 11187436 | HVAC systems and methods with improved heating element control | May 27, 20 | Nov 30, 21 | Lennox Industries Inc. |
| 10982862 | System and method for heat and energy recovery and regeneration | Aug 24, 18 | Apr 20, 21 | COMMERCIAL ENERGY SAVINGS PLUS, LLC |
| 10928078 | Furnace controller and a furnace that controls a gas input rate to maintain a discharge air temperature | Apr 13, 17 | Feb 23, 21 | Lennox Industries Inc. |
| 10890341 | Multi-zone variable refrigerant flow heating/cooling unit | Oct 01, 18 | Jan 12, 21 | MJC, Inc. |
| 10830496 | Solar air heater | Oct 23, 18 | Nov 10, 20 | Not available |
| 10801738 | Furnace | Aug 09, 17 | Oct 13, 20 | FIRE CHIEF INDUSTRIES LLC |
| 10782033 | Heating furnace using gas pulse modulation temperature control mode | Jan 26, 16 | Sep 22, 20 | Lennox Industries Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0377,075 | SYSTEMS AND METHODS FOR CONTROLLING TWINNED HEATING APPLIANCES | Jul 24, 24 | Nov 14, 24 | Not available |
| 2024/0288,194 | QUICK HEAT ALGORITHM FOR MODULATING HEATING EQUIPMENT | Apr 29, 24 | Aug 29, 24 | Not available |
| 2017/0234,549 | SYNERGISTIC ENERGY ECOSYSTEM | Aug 05, 16 | Aug 17, 17 | Not available |
| 2015/0192,291 | Multi-Cone Fuel Burner Apparatus For Multi-Tube Heat Exchanger | Jan 06, 14 | Jul 09, 15 | RHEEM MANUFACTURING COMPANY |
| 2015/0136,377 | METHOD FOR A HEAT TRANSFER SYSTEM AND HEAT TRANSFER SYSTEM | Nov 18, 14 | May 21, 15 | GRUNDFOS HOLDING A/S |
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