...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Application No. | Application Title | Issue Date |
| 20120037053 | Burner for a Thermal Post-Combustion Device The invention describes a burner for a thermal post-combustion device, which has a burner jet arranged in a housing. Arranged on the end region of the housing is a swirl apparatus, through which the exhaust gas to be purified can be made to flow. The burner jet comprise... | 02/16/2012 |
| 20090320726 | Three phased combustion system A system when installed in-line with a pollution source provides reduction and/or complete combustion of harmful emissions generated there from. Such emissions including (but not limited to) compounds such as oxides of nitrogen, hydrocarbons, carbon monoxide, odors, org... | 12/31/2009 |
| 20050279263 | Fuel staging methods for low NOx tangential fired boiler operation A tangential fired boiler includes a circumferential wall defining a combustion zone, the circumferential wall being generally rectangular when viewed along a generally horizontal cross-section. A fireball is disposed within the combustion zone, the fireball rotating ab... | 12/22/2005 |