Class F24D : DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
Subclass 1/04: Steam central heating systems (F24D 10/00, F24D 11/00 take precedence) operating with exhaust steam
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9470071 | Redundant firing system for wellbore tools | Apr 01, 15 | Oct 18, 16 | OWEN OIL TOOLS LP |
| 9228760 | Flameless heating system | Apr 27, 12 | Jan 05, 16 | MAC, INC. |
| 8631657 | Thermodynamic cycles with thermal diluent | Oct 10, 06 | Jan 21, 14 | VAST HOLDINGS, LLC |
| 8286423 | Cogeneration system | Oct 24, 08 | Oct 16, 12 | HONDA MOTOR CO., LTD. |
| 8107798 | Console electric heater with plenum | Oct 09, 08 | Jan 31, 12 | LASKO OPERATION HOLDINGS, LLC |
| 7930882 | Cogeneration system | Oct 23, 08 | Apr 26, 11 | HONDA MOTOR CO., LTD. |
| 5509604 | Chargeable fan heater | Aug 24, 93 | Apr 23, 96 | Goldstar Co., Ltd. |
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