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| Number | Title | Issue Date |
| 6315960 | Apparatus for treating pyrophoric gases and toxic global warming gases A mixing chamber receives pyrophoric gas for mixing with oxygen prior to discharge into an upright housing of the apparatus. Tubular members within the housing define annular passageways through which the mixed gas and oxygen flow in a serpentine manner w... | 11/13/2001 |
| 6030585 | Apparatus for oxidizing and removing matter from a hazardous gas flow An apparatus includes a housing into which a hazardous gas is introduced. A sleeve in the housing includes a perforate segment into which the gas is discharged along with flows of oxygen delivered from sleeve mounted nozzles. Particles forming in a sleeve... | 02/29/2000 |
| 6030584 | Hazardous gas precipitator An apparatus defines a chamber into which hazardous gas is discharged. Disposed about the hazardous gas discharge flow are nozzles from which oxygen flows for mixing with the hazardous gas. A structure within the chamber receives the hazardous gas and oxy... | 02/29/2000 |
| 5919278 | Register filter assembly This invention is drawn to a filter assembly for use in conventional floor registers in HVAC systems. The assembly includes a diamond shaped center rod which splits the air flowing through the filter assembly and supports a pair of hinged doors which open... | 07/06/1999 |
| 5829090 | Vacuum cleaner with combined filter element and collection unit A vacuum cleaner with a removable collection module. The module has a combined collection assembly and filter element. The collection assembly has a one-piece frame and a cover attached to an open rear end of the frame. The filter element is permanently a... | 11/03/1998 |
| 5664285 | Vacuum cleaner with combined filter element and collection unit A vacuum cleaner with a removable collection module. The module has a combined collection assembly and filter element. The collection assembly has a one-piece frame and a cover attached to an open rear end of the frame. The filter element is permanently a... | 09/09/1997 |
| 5662722 | Air and gas mixing apparatus with removable baffle plates A housing receives ambient air through an inlet located so as to direct the airflow against blades of a rotor which disperses the airflow. A gas inlet conduit discharges hazardous gas into a chamber of the housing. The dispersed airflow acts on the hazard... | 09/02/1997 |
| 4776864 | Electrostatic precipitator An electrostatic precipitator wherein a gaseous carrier medium is caused to pass through one or more electrostatic filters to be relieved of the major percentage of impurities. The thus purified carrier medium is caused to flow through a tapering funnel-s... | 10/11/1988 |
| 4725409 | Arrangement for fine dust separation in a fluidized bed reactor An arrangement for fine dust separation in a fluidized bed reactor with a clone and dust return conduit. A venturi tube extends from the solids discharge of the cyclone intermediate the cyclone and the dust return conduit, and a gas injector is located at... | 02/16/1988 |
| 4378234 | Particulate material collecting apparatus A particulate material collecting apparatus including a cylindrical member defining therein a spiral flow chamber for forming a spiral flow of gas therein, an inlet duct and an outlet duct connected to the cylindrical member tangentially to the inner circ... | 03/29/1983 |
| 4357152 | Fluid borne particulate separator A particulate separator of the concurrent flow type includes an inner cylinder mounted concentrically within a tapered conical outer cylinder which is closed at the outer return end. A fan unit is secured within the return end of the outer cylinder to dra... | 11/02/1982 |
| 4144359 | Apparatus and method for controlling pollutant emissions and for enhancing the manufacture of asphaltic roofing Pollutant emissions produced in the manufacture of asphaltic roofing are controlled by the use of electrified bed filters. Filter bed granules coated with pollutants are removed from the beds periodically and are used in the manufacture of the roofing. A ... | 03/13/1979 |
| 3992172 | Separator arrangement for start-up system A fluid separating apparatus in which an inlet is disposed in the upper portion of a substantially vertically oriented cylindrical housing for receiving a mixture of liquid and vapor. The mixture is separated in the housing by the application of centrifug... | 11/16/1976 |
