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Class Information
Number: 48/DIG.4
Name: Gas: heating and illuminating > Powdered fuel injection
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
6311629 Process and device for gasification of waste Nov. 6, 2001
6067915 Feeding systems for a continuous pyrolysis and gasification process and apparatus May. 30, 2000
5895508 Down-flow moving-bed gasifier with catalyst recycle Apr. 20, 1999
5772708 Coaxial coal water paste feed system for gasification reactor Jun. 30, 1998
5711771 Latent heat-ballasted gasifier Jan. 27, 1998
5516345 Latent heat-ballasted gasifier method May. 14, 1996
5383944 Method for gasifying combustible liquid and powder by using gas detonation wave Jan. 24, 1995
5284187 Method and device for treating powder coal in a solid-fuel injection installation Feb. 8, 1994
5145491 Process of controlling the starting up of the gasification of solid fuels in a fluidized state Sep. 8, 1992
5143521 Method for producing gas using energy recovering coal feeding steps Sep. 1, 1992
4976755 Stripping and depressurization of solids and gas mixture Dec. 11, 1990
4971600 Arrangement for gasifying fuel Nov. 20, 1990
4955989 Process for conveying a particulate solid fuel Sep. 11, 1990
4936870 Process for determination and control of fuel mass flow in partial oxidation and gasification of a fine-grained to powdery fuel Jun. 26, 1990
4852994 Process for the production of gas containing hydrogen and carbon monoxide from solid fuel Aug. 1, 1989
4834588 Feed line-pulsed gas injection May. 30, 1989
4830545 Feed line design May. 16, 1989
4773917 Coal gasifier Sep. 27, 1988
4721514 Coal gasification method using coal powder Jan. 26, 1988
4684375 Method for gasifying a material using a circulating fluidized bed Aug. 4, 1987
4569681 Fluidization and solids recirculation process for a fluidized bed gasifier Feb. 11, 1986
4548529 Process for transporting particulate material from a low pressure zone to a gas-containing elevated pressure zone Oct. 22, 1985
4531949 Entrained flow coal gasification process Jul. 30, 1985
4469487 Arrangement for and method of dosing fuel in fluidized bed reactor Sep. 4, 1984
4456546 Process and reactor for the preparation of synthesis gas Jun. 26, 1984
4455949 Burner for gasification of powdery fuels Jun. 26, 1984
4451184 Apparatus and method for feeding pulverized hydrocarbonaceous solids into a high pressure reactor May. 29, 1984
4430094 Vapor generating system having a plurality of integrally formed gasifiers extending to one side of an upright wall of the generator Feb. 7, 1984
4421523 Control of bed height in a fluidized bed gasification system Dec. 20, 1983
4391611 Gasification system Jul. 5, 1983
4386942 Production of H.sub.2 and CO-containing gases Jun. 7, 1983
4343627 Method of operating a two-stage coal gasifier Aug. 10, 1982
4325709 Method for the operation of gasification plants for pulverized fuels Apr. 20, 1982
4280877 Apparatus for providing coal dust to a reaction chamber Jul. 28, 1981
4278446 Very-high-velocity entrained-bed gasification of coal Jul. 14, 1981
4278445 Subsonic-velocity entrained-bed gasification of coal Jul. 14, 1981
4276062 Fluidized bed systems Jun. 30, 1981
4272256 Method for heating oxygen containing gas in conjunction with a gasification system Jun. 9, 1981
4270558 Process for monitoring the flow of fine grained solid fuel for use in gasifiers Jun. 2, 1981
4209304 Coal gasification-method of feeding dry coal Jun. 24, 1980
4203731 Radiant energy gasification apparatus May. 20, 1980
4197092 High pressure coal gasifier feeding apparatus Apr. 8, 1980
4193773 Process for the partial combustion of pulverized coal Mar. 18, 1980
4157245 Countercurrent plug-like flow of two solids Jun. 5, 1979
4146370 Process and apparatus for the partial combustion of coal powder Mar. 27, 1979
4101263 Method for heating nongaseous carbonaceous material Jul. 18, 1978
4099933 Process for the multiple zone gasification of coal Jul. 11, 1978
4094651 Process for pseudohydrostatic feeding of solids into a reactor Jun. 13, 1978
4073628 Control system for apparatus to gasify fine-grain fuels in a reactor Feb. 14, 1978
4072468 Apparatus for the production of carbon black from coal Feb. 7, 1978

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