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| 9683745 | Small, high efficient wood stove | Mar 31, 14 | Jun 20, 17 | Not available |
| 9310071 | Combustion chamber for burning solid fuels | Feb 14, 08 | Apr 12, 16 | Not available |
| 9194580 | Burner for a thermal post-combustion device | Feb 23, 10 | Nov 24, 15 | EISENMANN AG |
| 9115894 | Two-chamber eductor based incinerator with exhaust gas recirculation | Mar 01, 13 | Aug 25, 15 | The United States of America as represented by the Secretary of the Navy |
| 9021966 | Burner system for consumption of waste fuel | Jun 16, 14 | May 05, 15 | Not available |
| 9016215 | Solid fuel unit which burns solid fuels together with their volatile gases | Mar 30, 11 | Apr 28, 15 | Not available |
| 8997664 | Gasification combustion system | Dec 21, 12 | Apr 07, 15 | COVANTA ENERGY, LLC |
| 8707875 | Gasification combustion system | May 18, 09 | Apr 29, 14 | COVANTA ENERGY, LLC |
| 8701573 | Gasification combustion system | May 18, 10 | Apr 22, 14 | COVANTA ENERGY, LLC, Convanta Energy Corporation, |
| 8607717 | Batch waste gasification process | Dec 07, 07 | Dec 17, 13 | WTE Waste To Energy Canada, Inc. |
| 8578869 | Bottle furnace | Apr 10, 08 | Nov 12, 13 | AL CHALABI, RIFAT, CHINOOK SCIENCES LLC, |
| 8261677 | Gasification boiler for solid fuels, in particular for bales of straw, with optimised exhaust gas values | Oct 07, 04 | Sep 11, 12 | FTF FUTURE TECHNOLOGIES FACTORY GMBH |
| 8240258 | Burner for waste plastic | Feb 06, 09 | Aug 14, 12 | Not available |
| 8230795 | Circulating fluidized bed device provided with an oxygen-fired furnace | Jun 14, 06 | Jul 31, 12 | GENERAL ELECTRIC TECHNOLOGY GMBH |
| 8186286 | Wood fired boiler | Jun 07, 11 | May 29, 12 | Central Boiler, Inc. |