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| Number | Title | Issue Date |
| 7334202 | Optimizing critical dimension uniformity utilizing a resist bake plate simulator A system for optimizing critical dimension uniformity in semiconductor manufacturing processes is provided. The system comprises a bake plate simulator to model a physical bake plate. A finite element analysis engine uses information from the bake plate simulator to... | 02/19/2008 |
| 7291194 | Intermittent mixer with low pressure drop A thermal mixer reduces the temperature of flue gas supplied to a fabric filter. Two spray dry absorbers are operable to cool flue gas. A housing of the mixer has first and second inlet passages for gas from the absorbers, an outlet passage for gas to the fabric fil... | 11/06/2007 |
| 7288128 | Intermittent mixer with low pressure drop A thermal mixer reduces the temperature of flue gas supplied to a fabric filter. Two spray dry absorbers are operable to cool flue gas. A housing of the mixer has first and second inlet passages for gas from the absorbers, an outlet passage for gas to the fabric fil... | 10/30/2007 |
| 7203920 | Method and apparatus for retrofitting semiconductor chip performance analysis tools with full-chip thermal analysis capabilities A method and apparatus for retrofitting semiconductor chip performance analysis tools with full-chip thermal analysis capabilities is provided. One embodiment of a novel method for performing performance analysis of a semiconductor chip design includes receiving at ... | 04/10/2007 |
| 7025280 | Adaptive real time control of a reticle/mask system An adaptive real time thermal processing system is presented that includes a multivariable controller. Generally, the method includes creating a dynamic model of the thermal processing system; incorporating reticle/mask curvature in the dynamic model; coupling a dif... | 04/11/2006 |
| 6946011 | Intermittent mixer with low pressure drop A thermal mixer reduces the temperature of flue gas supplied to a fabric filter. Two spray dry absorbers are operable to cool flue gas. A housing of the mixer has first and second inlet passages for gas from the absorbers, an outlet passage for gas to the fabric fil... | 09/20/2005 |
| 6849234 | System and method for controlling an ultraviolet air treatment device for return air duct applications A system and method for controlling operation of an ultraviolet air treatment device including an ultraviolet lamp positioned to treat air within an air handling system that operates in either an on state or an off state. The method includes activating the ultraviol... | 02/01/2005 |
| 5056500 | Furnace damper means A furnace comprises a housing, a fan or blower for moving air through housing, a burner in the housing, fuel supply means operatively connected to the burner, a heat exchanger in the housing a combustion chamber, the burner cooperating with said combustio... | 10/15/1991 |
| 4402454 | Gas flue damper and thermostat metal therefore A thermally responsive damper for opening the flue of a gas-fired apparatus when gas firing occurs and for otherwise closing the flue to prevent unnecessary energy losses utilizes a low cost, high flexivity, thermostat metal adapted to operate in the corr... | 09/06/1983 |
| 4375872 | Draft control for stoves and furnaces A draft control unit for stoves and furnaces comprising housings of variable design, wherein may be incorporated a bi-metal element or means for remote control. An eccentric control rod supplies adjustment means for said bi-metal and a draft door with mea... | 03/08/1983 |
| 4347832 | Controlled air intake apparatus for furnaces and the like A controlled air intake apparatus for a furnace includes a substantially flat cover plate attached to and placed over the updraft opening of the flue and a generally rectangular housing attached over the air intake opening adjacent the burner region. The ... | 09/07/1982 |
| 4274392 | Controlled air intake apparatus for furnaces and the like A controlled air intake apparatus for a furnace includes a substantially flat cover plate attached to and placed over the updraft opening of the flue and a generally rectangular housing attached over the air intake opening adjacent the burner region. The ... | 06/23/1981 |
| 4206742 | Heat extractor and shield for room stoves and the like An apparatus for extracting heat from the waste gases of a stove to heat the air in the room. The apparatus is mounted on the stove and includes a central chamber in which an inner core, having a plurality of passageways, is positioned. Waste gases from t... | 06/10/1980 |
| 4174942 | Flue control assembly This flue control assembly is for use with a combustion chamber, such as an oven, having a thermostatically controlled burner valve circuit and includes a damper pivotally mounted in the oven flue for rotation between open and closed positions by an air a... | 11/20/1979 |
| 4050628 | Heat reclaimer An apparatus for reclaiming heat from and for controlling the flow of combustion gases passing through a flue from a heater to an exhaust stack. The apparatus includes an inner housing having first inlet and outlet openings. The first inlet opening is ada... | 09/27/1977 |
| 4021187 | Automatic flue gate A flue gate device operated by a solenoid whose energy comes from any outside source, which energy is controlled by the furnace burner control of the furnace to which it is attached. The pull of the solenoid is resisted by a spring which will restore the ... | 05/03/1977 |
| 3999710 | Auxiliary heating equipment In a building heating system having a furnace, the instant invention incorporates a furnace enclosure for spacedly enclosing the furnace, an inlet air duct for conducting fresh air to the enclosure space for supporting combustion in the furnace, a combust... | 12/28/1976 |
| 3982525 | Hot air furnace A hot air furnace having a fire box and a plurality of heat exchange units connected together in series, the front wall of said furnace being common to said fire box and said heat exchange units and the remaining walls of said furnace being spaced from sa... | 09/28/1976 |
| 3941533 | Apparatus for making synthetic resin carpeting and the like An apparatus for making a fabricless surface covering from particles of synthetic resin utilizes an oven assembly having a plurality of heating units which are automatically and/or manually adjustable for establishing and maintaining a preselected across ... | 03/02/1976 |
| 3934796 | Heating system with fuel saving draft retarder A damper, normally biased closed, in a flue of a heating system has an arm which is connected by linkage to an armature of a solenoid for opening the damper when a winding of the solenoid is energized by a heating system control. Switch means, engaged by ... | 01/27/1976 |
