Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 6117403 | Barrier discharge conversion of Hg, SO2 and NOx A process and apparatus for reducing particulate, nitrogen oxides ("NOx"), sulfur dioxide ("SO2 "), and mercury ("Hg") emissions from the combustion exhaust of fossil fuel fired plants while producing an end product that is commercially useful,... | 09/12/2000 |
| 5920474 | Power supply for electrostatic devices A power supply method particularly adapted for use with an electrostatic particulate collection device to provide substantially ripple-free DC power for improved operation. The power supply is adapted to receive three-phase AC power and to transform the A... | 07/06/1999 |
| 5903450 | Electrostatic precipitator power supply circuit having a T-filter and pi-filter An electrical filter apparatus for an electrostatic precipitator, wherein the filter apparatus is a T-type or pi-type filter electrically connected to a high voltage output of an electrostatic precipitator power supply and an electrostatic precipitator el... | 05/11/1999 |
| 5631818 | Power supply for electrostatic preciptator electrodes A power supply system particularly adapted for use with an electrostatic precipitator to provide substantially ripple-free DC power for improved precipitator operation. The power supply is adapted to receive three-phase AC power and to transform the AC po... | 05/20/1997 |
| 5629842 | Two-stage, high voltage inductor A two-stage, high-voltage inductor assembly. The inductor assembly is particularly adapted for use in a power supply circuit for an electrostatic precipitator. The inductor assembly includes a first stage inductor member defined by a toroidal inductor mem... | 05/13/1997 |
