James W Ratz, Robert J Schnell, Daniel T Uhrich: Electronic time thermostat with a temporary next period adjustment means. Honeywell, Robert B Leonard, July 27, 1993: US05230482 (144 worldwide citation)

A thermostat having a temporary "now" and "next" functions. The temporary "next" function allows the user to program a temporary deviation from a preprogrammed schedule used to control the temperature within a space. The combination temporary "now" and "next" function allows a user to temporarily se ...

Leonard J Keller, Austin N Stanton: Processes and means for waste resources utilization. Geoffrey A Mantooth, August 4, 1992: US05134944 (72 worldwide citation)

Gasification, slagging, melting, and vaporizing components of waste materials and reactive carbon fuel, in variable proportions, at low pressures, using oxygen and steam reactants, effects very high temperatures, producing syngas (hydrogen and carbon monoxide), molten slag and molten metals. Integra ...

James K Kindig: Method and composition for decreasing emissions of sulfur oxides and nitrogen oxides. Genesis Research Corporation, Sheridan Ross & McIntosh, April 25, 1989: US04824441 (67 worldwide citation)

A method and composition are provided for decreasing emissions of sulfur oxides and nitrogen oxides upon combustion of carbonaceous fuel material. In particular, the composition comprises a refined coal, having low ash-forming material and inorganic sulfur content, a sulfur sorbent, a sulfation prom ...

Paul Andrew Campbell, David Hagen: Low emissions combustion apparatus and method. Vast Power Portfolio, Ostrolenk Faber, July 2, 2013: US08475160 (65 worldwide citation)

Clean combustion and equilibration equipment and methods are provided to progressively deliver, combust and equilibrate mixtures of fuel, oxidant and aqueous diluent in a plurality of combustion regions and in one or more equilibration regions to further progress oxidation of products of incomplete ...

Christopher J Nagel: System for controlling chemical reaction in a molten metal bath. Molten Metal Technology, Hamilton Brook Smith & Reynolds, April 9, 1996: US05505143 (65 worldwide citation)

A method and a system is disclosed for controlling chemical reaction of a feed. The feed is directed into a reactor containing a molten metal bath to at least partially chemically react the feed to form an intermediate component. A portion of the intermediate component is combined with an off-gas wh ...

Park Byeong Seon, Cha Heui Jang: Firewood boiler, especially for preventing an unburned failure due to a scattering of the firewood by installing a flame bypass on a lower part of a vertical combustion chamber. Cha Heui Jang, August 3, 2007: KR1020070055671 (62 worldwide citation)

PURPOSE: A firewood boiler is provided to easily install lagging on an exterior of a housing by installing pipes on a pipe hiding groove not to expose the pipes outside the firewood boiler. CONSTITUTION: A firewood boiler includes a firewood inlet(20) located on a front plane of a housing(10). A spa ...

Bernard P Breen, James E Gabrielson, Howard B Lange: Apparatus and method of reducing nitrogen oxide emissions. Consolidated Natural Gas Service Company, Lynn J Alstadt, Buchanan Ingersoll, October 25, 1988: US04779545 (62 worldwide citation)

An apparatus and method for reducing nitrogen oxide emissions from furnace flue gas is provided in which a pulse generator introduces natural gas, or other fluid fuel which has little or no fixed nitrogen, into the upper portion of the furnace. The fuel pulse reacts with the nitrogen oxide in the fl ...

Robert J Bender, Louis T Bravakis, John P Tomasi: Controlled clean-emission biomass gasification heating system/method. Chiptec Wood Energy Systems, Donald W Meeker, January 18, 1994: US05279234 (59 worldwide citation)

A biomass fuel gasification chamber, blast tube, and heat exchange chamber are interconnected horizontally and subjected to negative drawing pressure by a large variable speed chimney fan. An auger with an air lock feeds biomass fuel automatically into the gasification chamber. Fuel is moved across ...

Meyer Steinberg: Portland cement for SO.sub.2 control in coal-fired power plants. The United States of America represented by the United States Department of Energy, Margaret C Bogosian, James W Weinberger, Judson R Hightower, November 26, 1985: US04555392 (59 worldwide citation)

There is described a method of removing oxides of sulfur from the emissions of fossil fuel combustion by injecting portland cement into the boiler with the fuel, the combustion air, or downstream with the combustion gases. There is also described the cement products that result from this method.

Kenneth E Voss: Limestone-based sorbent agglomerates for removal of sulfur compounds in hot gases and method of making. Engelhard Corporation, Inez L Moselle, June 14, 1983: US04387653 (58 worldwide citation)

Sulfur-containing compounds such as hydrogen sulfide and sulfur oxides arising from gasification or combustion of organic fuels such as coal may be removed from the hot gases by attrition resistant, highly reactive limestone-based sorbent agglomerates. The agglomerates are formed by crushing and pow ...