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| Number | Title | Issue Date |
| 7997897 | Method of discharging gas from continuous oven and gas discharge structure A to-be-burned object including a metal Si component or SiC or Si3N4 can be burned in such a manner that vaporized SiO can be safely exhausted without causing SiO attached to a wall of a furnace or an inner face of an exhaust duct. An exhaust m... | 08/16/2011 |
| 7338629 | Integrated metal processing facility A system and method for forming and heat treating a metal casting are provided. ... | 03/04/2008 |
| 7332136 | Airbox in a regenerative thermal oxidiser An air box in a regenerative thermal oxidiser has one or several beds of a heat-storing and heat-transferring material. The air box is connected with a gas inlet/outlet and comprises a gas permeable surface that is turned towards one of the beds. The air box has dis... | 02/19/2008 |
| 7331374 | Method and apparatus for assisting removal of sand moldings from castings Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur... | 02/19/2008 |
| 7325562 | Heated seal air for valve and regenerative thermal oxidizer containing same Valve with heated sealing gas suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve util... | 02/05/2008 |
| 7318288 | Apparatus and method using an electrified filter bed for removal of pollutants from a flue gas stream A pollution abatement apparatus comprises an electrified filter bed preceded by a cyclonic mix chamber to remove wood fines and fly ash in a flue gas stream from a wood chip dryer heated by hot gas from an energy system that includes a wood waste combustor. The cycl... | 01/15/2008 |
| 7290583 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 11/06/2007 |
| 7275582 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 10/02/2007 |
| 7258755 | Integrated metal processing facility An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th... | 08/21/2007 |
| 7208128 | Manganese-based oxidation catalyst A catalyst for the oxidation of volatile organic compounds and carbon monoxide comprising manganese and alumina, such catalyst having been impregnated with a phosphorus compound. The presence of the phosphorus compound results in a significant oxidative conversion o... | 04/24/2007 |
| 7204689 | Seal structure of solid feeding screw, and method of manufacturing reduced metal using the seal structure A sealing structure for a solid-transferring screw installed inside a heating furnace such as a material-leveling screw and a product-discharging screw, the sealing structure enabling the solid-transferring screw to be lifted during operation while airtightness of t... | 04/17/2007 |
| 7150627 | Transported material heating with controlled atmosphere A tunnel oven for heating transported carbonaceous materials includes an enclosure having a passage and a transport device for moving solid carbonaceous materials through and along a length of the passage. A direct convection heater is operably connected to the encl... | 12/19/2006 |
| 7133726 | Thermal cycler for PCR An instrument for PCR comprising an assembly, a heated cover, and a computer. The assembly can include a sample block, Peltier devices, and a heat sink, clamped together. The sample block temperature can be changed by controlling the Peltier devices with the compute... | 11/07/2006 |
| 7126089 | High altitude oven A high altitude oven that includes a baking compartment that includes a pressure maintenance mechanism for maintaining the baking compartment at sea level atmospheric pressure during operation of the oven. ... | 10/24/2006 |
| 7084378 | Mass-flow sensor heating element protection method and apparatus A heating element protection apparatus for a mass-flow sensor may include a heating element disposed in a gas, a gas temperature sensor disposed in the gas to sense a temperature of the gas, a slope detector to measure a slope of the temperature as power is supplied... | 08/01/2006 |
| 7083380 | Separable distribution rotor and horizontal rotor distributor having the same A separable distribution rotor and a horizontal rotor distributor having the same. The separable distribution rotor includes a first distribution rotor, a second distribution rotor, and an elastic member interposed between the first distribution rotor and the second... | 08/01/2006 |
| 7051759 | Processing apparatus having integrated pumping system An apparatus 115 for processing a substrate 20, comprises an integrated pumping system 155 having a high operating efficiency, small size, and low vibrational and noise levels. The apparatus 115 comprises a chamber, such as a load-lock ch... | 05/30/2006 |
| 7044731 | Heat treatment apparatus Exhaust pressure in an exhaust system 15 that evacuates a processing furnace 2 is determined as absolute pressure by using a differential manometer 23, which measures the exhaust pressure as differential pressure, and a barometer, which measures... | 05/16/2006 |
| 7040891 | System for reducing fuel consumption and pollutant emissions from asphalt cement production A system for reducing fuel consumption and pollutant emissions from asphalt cement production facilities which utilizes a recycle stream to reduce organic compound and carbon monoxide concentrations and a sorbent to reduce pollutant concentration prior to dischargin... | 05/09/2006 |
| 7001512 | Closed loop processing system for waste and crops A process for treating waste products discharged in a waste water from an animal operation, such as a swine confinement facility includes a holding tank for receiving waste water from the flushing of the facility in which solids to accumulate at the bottom thereof; ... | 02/21/2006 |
| 6993857 | Milling and drying apparatus incorporating a cyclone A cyclone which includes an upper cylindrical portion opening into the wider end of a lower frustro-conical portion, with a primary air inlet such that the inlet air is substantially tangential to the circumference of the cyclone, and an exhaust outlet at or adjacen... | 02/07/2006 |
| 6948436 | Method and apparatus for the gasification and combustion of animal waste, human waste, and/or biomass using a moving grate over a stationary perforated plate in a configured chamber An apparatus for the combustion of organic waste such as poultry litter/manure, cow manure and swine manure, and/or human waste, and/or biomass using a moving grate over a stationary perforated plate to convert organic waste into usable energy. The unprocessed fuel ... | 09/27/2005 |
| 6936108 | Heat treatment device A film-forming unit of the invention includes: a processing furnace, gas-supplying means that supplies a process gas into the processing furnace, heating means that heats an inside of the processing furnace to a predetermined process-temperature, and a normal-pressu... | 08/30/2005 |
| 6935108 | Heat fan assembly and method of controlling a fan A fan assembly comprising two fans (4, 10) for supplying combustible gases to two burners (5, 9) respectively. The flow parts from the first and second burners are combined in a common manifold. Temperature censor (6, 11) detect the temperature ... | 08/30/2005 |
| 6929393 | Asphalt production plant An asphalt production plant includes an asphalt binder storage tank, a mixer for mixing asphalt binder and aggregate materials, an asphalt binder pumping system for conveying asphalt binder to the mixer and an asphalt binder metering system for controlling the rate ... | 08/16/2005 |
| 6910522 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 06/28/2005 |
| 6902714 | Method for reducing the SO2 emission from a plant for manufacturing cement clinker and such plant Provided is a method and plant for reducing SO2 emissions in which a catalyst for catalyzing the formation of cement clinker is extracted from kiln exhaust gas and recycled. ... | 06/07/2005 |
| 6901990 | Method and system for processing castings A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furnace is heated so as to maintai... | 06/07/2005 |
| 6767206 | Arrangement and method for heating gas in a gas duct in connection with continuously operated sintering The invention relates to an arrangement and method for heating gases in a gas circulation duct in connection with continuously operated sintering. In the sintering furnace, hot gas is fed in from above the belt in order to sinter the material located on the belt, an... | 07/27/2004 |
| 6712606 | Combustion optimization The present invention relates to a method and a device for reducing emission from a combustion or gasification plant, said plant having an combustion chamber housing means for insertion of a first fluid into said chamber, introduction of said fluid into said chamber... | 03/30/2004 |
| 6669470 | Method for operating manufacturing equipment including heating furnace A method for operating manufacturing equipment including a heating furnace is provided. The method comprises the step of spraying a blowdown water that has been in the manufacturing equipment into effluent gas discharged from the heating furnace so as to ... | 12/30/2003 |
| 6325620 | Method of reducing volatile pollutants in the exhaust gases from a heat exchanger system In the method according to the invention for reducing volatile pollutants in the exhaust gases of a heat exchanger system for heating of cement raw meal or the like, partially preheated raw meal is heated to a temperature for release of the pollutants con... | 12/04/2001 |
| 6287111 | Low NOx boilers, heaters, systems and methods A heating system according to the present invention is divided into two interconnected compartments, the first having at least one burner feeder and the second having at least one receiver burner. The thermal output of these units may be equal or unequal ... | 09/11/2001 |
| 6276306 | Apparatus for recovering hydrocarbons from granular solids An apparatus (10) for recovering hydrocarbons or other volatile material from granular solids includes an infeed conveyor (20) that moves the mud, containing a mixture of particulate solids and hydrocarbons, into the fluid bed (40). The fluid bed fluidize... | 08/21/2001 |
| 6261090 | Gas combustor and combustor system for combustion of smoke, off gases and other emissions A combustor system provides high temperature, high-dwell combustion of emission products, as from charcoal kilns, with inner and outer combustion chambers. Multiple inlets receive emission products from multiple heat exchangers omnidirectionally extending... | 07/17/2001 |
| 6227847 | Apparatus and process for removing volatile coatings from scrap metal A system for removing volatile coatings from scrap aluminum, such as expended beverage cans, includes a kiln, a fan for generating an airstream, an afterburner for heating the airstream, and ducting for confining the airstream in a closed loop so that it ... | 05/08/2001 |
| 6213030 | Volatile materials treatment system Apparatus for the treatment of volatile material(s) in contaminated material(s) including a retort assembly which includes a rotatable retort disposed at least partially within a combustion chamber with a heater to indirectly heat the contents of the rota... | 04/10/2001 |
| 6193504 | Portable rotary catalytic oxidizer systems A rotary regenerative catalytic oxidizer is disclosed which is a portable, compact system that catalytically destroys VOC and odorous compounds at elevated temperatures of 400 to 800° F. Equipped with a very high thermally efficient rotor of 90+%, most h... | 02/27/2001 |
| 6135765 | Pyrocleaning furnace and thermal oxidizer system A Pyrocleaning Furnace and Thermal Oxidizer System which degreases metal components and comprises an oven, an oxidizer, a system gas supply means, a system gas exhaust means, and a first heat exchanger. The degreasing is accomplished by first transporting... | 10/24/2000 |
| 6116894 | Continuous furnace A continuous furnace for baking ceramic molded parts has a heating area (14), a baking area (16) and a cooling area (18). At least one smoke gas duct (22) extends from the heating area (14) into a combustion chamber (24) and at least one hot air duct (28)... | 09/12/2000 |
