| 11976821 | Control system for a fuel burning appliance and a method of operating such an appliance | Mar 05, 21 | May 07, 24 | Wolf Steel Ltd. |
| 11713883 | Safely barrier heat exchanger | Sep 06, 19 | Aug 01, 23 | Not available |
| 11365886 | Remote monitoring of fired heaters | Jun 18, 18 | Jun 21, 22 | UOP LLC |
| 11231177 | Fireplace system, heat exchanger and method | Apr 23, 19 | Jan 25, 22 | FPI Fireplace Products International Ltd. |
| 10969108 | Heat dissipation design for combustion devices | Apr 30, 19 | Apr 06, 21 | Pro-Iroda Industries Inc. |
| 10823424 | Wood burning stove assembly | Feb 21, 19 | Nov 03, 20 | Not available |
| 10739014 | System and method to cool an exposed surface of an appliance | Feb 23, 18 | Aug 11, 20 | Wolf Steel Ltd. |
| 10151476 | Boiler with access to heat exchangers | Apr 05, 16 | Dec 11, 18 | Central Boiler Inc. |
| 9945563 | Very shallow heating apparatus with very high yield and a wide view | Jun 19, 14 | Apr 17, 18 | Not available |
| 9851109 | Heating device with condensing counter-flow heat exchanger and method of operating the same | Jan 27, 16 | Dec 26, 17 | ELWHA LLC |
| 9841193 | Device for improving combustion in a fireplace | Nov 22, 13 | Dec 12, 17 | FINOPTIM S.A.S. |
| 9568214 | Systems and methods for heating water using biofuel | Aug 25, 15 | Feb 14, 17 | GREENWOOD CLEAN ENERGY, INC. |
| 9500373 | Fireplace | Apr 29, 11 | Nov 22, 16 | SCHOTT AG |
| 9441839 | Heating apparatus with fan | Jul 28, 11 | Sep 13, 16 | Not available |
| 9115900 | Systems and methods for heating water using biofuel | Aug 08, 11 | Aug 25, 15 | GREENWOOD CLEAN ENERGY, INC. |
| 8978639 | Secondary room air heat exchanger and method of heating secondary room air | Oct 14, 11 | Mar 17, 15 | HEARTH & HOME TECHNOLOGIES INC. |
| 8915240 | Heating device | Oct 14, 11 | Dec 23, 14 | INNOVATIVE HEARTH PRODUCTS LLC |
| 8333184 | Cool touch fireplace | Jan 07, 10 | Dec 18, 12 | Heat Surge, LLC |
| 8166965 | Fireplace insert | Jun 16, 05 | May 01, 12 | MILES INDUSTRIES, LTD. |
| 7854223 | Heat exchanger for a log-burning fireplace | Jul 16, 08 | Dec 21, 10 | LATIMER, MARGARET R. |