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Your search returned 216 patents.
( 60/275 in Current US Classification ) |
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| 1 2 3 |
| Patent ID | Title | Date Filed |
| 6532733 | Plasma exhaust gas treatment device
| October 20, 2000 |
| 6527821 | Automatic condensed oil remover
| February 28, 2002 |
| 6479023 | System for converting particulate matter in gasoline engine exhaust gases
| August 14, 2000 |
| 6474060 | Exhaust gas recirculation filtration system
| November 17, 1999 |
| 6464945 | Non-thermal plasma exhaust NOx reactor
| December 16, 1999 |
| 6423190 | Pulse density modulation for uniform barrier discharge in a nonthermal plasma reactor
| December 19, 2000 |
| 6422002 | Method for generating a highly reactive plasma for exhaust gas aftertreatment and enhanced catalyst reactivity
| July 14, 2000 |
| 6374595 | Plasma-assisted catalytic storage reduction system
| January 25, 2000 |
| 6364941 | Compact high efficiency electrostatic precipitator for droplet aerosol collection
| April 9, 2001 |
| 6363716 | Plasma fuel processing for NOx control lean burn engines
| November 7, 2000 |
| 6363714 | Plasma-catalyst control system
| June 9, 2000 |
| 6357223 | Method and apparatus for enhancing the rate and efficiency of gas phase reactions
| February 18, 2000 |
| 6345497 | NOx reduction by electron beam-produced nitrogen atom injection
| March 2, 2000 |
| 6338827 | Stacked shape plasma reactor design for treating auto emissions
| February 23, 2000 |
| 6330794 | Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel
| December 17, 1999 |
| 6321531 | Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel
| February 25, 2000 |
| 6301878 | Method and apparatus for exhaust gas cleaning with trim control
| November 10, 1999 |
| 6272849 | Apparatus and method for heating an automotive catalyst to an emission reactive condition
| January 13, 2000 |
| 6269631 | Process and device for operating an internal combustion engine with less pollutant emission
| April 14, 1999 |
| 6264899 | Method and apparatus for using hydroxyl to reduce pollutants in the exhaust gases from the combustion of a fuel
| March 1, 2000 |
| 6253544 | Method and apparatus for reducing pollutants
| October 7, 1999 |
| 6247303 | Method and device for removing oxidic noxious substances in an oxygen-containing exhaust gas and engine which is operated therewith
| November 16, 1999 |
| 6221136 | Compact electrostatic precipitator for droplet aerosol collection
| November 25, 1998 |
| 6212883 | Method and apparatus for treating exhaust gas from vehicles
| March 3, 2000 |
| 6185932 | Quick-heating catalytic converter
| July 23, 1999 |
| 6176078 | Plasma fuel processing for NOx control of lean burn engines
| November 13, 1998 |
| 6171565 | Process for the operation of a nitrogen oxides storage catalyst
| January 8, 1999 |
| 6131386 | Single mode resonant cavity
| June 15, 1998 |
| 6122909 | Catalytic reduction of emissions from internal combustion engines
| September 29, 1998 |
| 6119455 | Process and device for purifying exhaust gases containing nitrogen oxides
| February 26, 1999 |
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