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| Number | Title | Issue Date |
| 7347685 | Torch manifold with integrated nozzles A manifold for a torch including a gas distribution portion for distributing gas directed into the manifold to two or more gas channels, a nozzle in each gas channel, an air passage in the manifold proximate each nozzle, and a flame tube portion including a channel ... | 03/25/2008 |
| 7296402 | Diesel particulate filter service method A diesel particulate filter of a motor vehicle is cleaned of ash, typically using equipment already available in a service shop. The filter apparatus is disconnected from the exhaust system of a motor vehicle. The filter apparatus is reversed and reconnected to the ... | 11/20/2007 |
| 7261008 | Air sampler An air sampler having a fan; an air inlet tube; a main body having a cyclonic cup, a stripping column and a demister; and fluidic circuitry for inputting fluids to the main body and the air inlet tube, and for outputting fluids from the main body. Air flow through t... | 08/28/2007 |
| 6565636 | Exhaust cleaning device An exhaust cleaning device for removing a portion of carbon containing molecules from exhaust. The exhaust cleaning device includes a tubular member which is elongate and has a first end and a second end. The first and second ends are placed in communicat... | 05/20/2003 |
| 4830761 | Cooling tower cleaning system A portable, manned method and apparatus for cleaning cooling towers having a water collection basin at the base while permitting the tower to continue in operation comprises removing water and particulate contaminants from the bottom of the tower basin by... | 05/16/1989 |
| 4015957 | Extractor for airborne particulate matter Apparatus for extracting, with minimal back-pressure effects, particulate matter carried by an airstream includes, in coupled sequence, a cyclone chamber for mixing the particulate-laden air with a uniformly distributed spray of water or other settling li... | 04/05/1977 |
| 3963464 | Gas washer and liquid treatment system An injector type spray cooling system is described having a cooled water recovery sump in which water is directed through a strainer slanted with its upper edge upstream so that a self cleaning action is produced.... | 06/15/1976 |
