| Patents for F27D 25 - Devices for removing incrustations (926) |
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| 01/07/1993 | EP0382827B1 Process and device for cleaning conveying channels |
| 12/02/1992 | EP0516369A1 Method and apparatus for deslagging a cyclone furnace |
| 11/26/1992 | WO1992020986A1 Method for decarburizing steel in a vacuum chamber, and vaccum chamber for implementing the method |
| 11/19/1992 | EP0514246A1 Steel decarburation process in a vacuum treatment chamber and vacuum treatment chamber therefor |
| 11/11/1992 | CN2121671U Ram oven machine |
| 10/29/1992 | WO1992018811A1 A method and device for ash discharge |
| 07/22/1992 | EP0339066B1 Process and device for cleaning the surface of the rollers of a roller hearth furnace |
| 06/03/1992 | CN2106340U Soaking pit for integral removing incrustation |
| 05/05/1992 | US5110554 Combustion furnace for burning sample to be analyzed |
| 04/29/1992 | CN2103117U Whole plastic shell case kiln bullet |
| 03/17/1992 | CA1297273C Treatment of refractory linings |
| 02/05/1992 | EP0469230A1 Heat resistant alloy foil lining for kilns and method of lining kiln |
| 02/04/1992 | CA2032701A1 Heat resistant alloy foil lining for kilns and method of lining kiln |
| 01/21/1992 | US5082441 Apparatus for selectively breaking out deposits from and/or linings of rotary kilns |
| 10/09/1991 | EP0451045A1 Installation for removing of slag |
| 09/03/1991 | US5044612 Apparatus to clean refractory-lined conveyor troughs |
| 06/26/1991 | EP0434421A2 Protective layer for linings in metallurgical furnaces and the like |
| 05/14/1991 | US5015299 Concave-convex body sliding in a rotating cylinder for scraping walls to remove deposits |
| 05/14/1991 | US5014965 Process and apparatus to clean a molten metal or slag conveyor trough |
| 04/24/1991 | EP0423579A1 Cleaning device for charging- and discharging-casting siphons of a furnace |
| 04/16/1991 | US5007970 Cooling surface below softening point of deposits to harden for mechanical removal |
| 04/16/1991 | CA1282956C Process and apparatus for removal of deposits and linings from horizontal cylinders |
| 02/07/1991 | CA2015524A1 Clean window for processing enclosure |
| 01/30/1991 | EP0410867A1 Process for cleaning hot surfaces of ovens as well as installation and granules for carrying it out |
| 01/23/1991 | CN1011340B Method and apparatus for crushing deposit and masonry in cylindedr |
| 01/17/1991 | DE4021391A1 Observation window cleaning in process chamber contg. fine particles - inert gas is fed into chamber behind lens through porous inner pipe and leaves via opening into main process chamber |
| 01/09/1991 | EP0406481A1 Process and apparatus for the prevention or removal as appropriate of blockages in the outlet region of a cyclone heat-exchanger |
| 01/06/1991 | CA2017470A1 Process for reducing contamination of high temperature melts |
| 01/06/1991 | CA2012238A1 Furnace enclosure having a clear viewpath |
| 11/14/1990 | EP0271557B1 Treatment of refractory linings |
| 10/17/1990 | EP0392068A1 Vacuum induction furnace |
| 10/09/1990 | US4961683 Device for aligning and lifting blocks in kiln cars |
| 09/27/1990 | DE3919715C1 Cyclone heat exchanger for powders - has tapered outlet connected to enlarged second with sloping part, opening into discharge pipe |
| 09/25/1990 | US4959841 Process for reducing contamination of high temperature melts |
| 07/31/1990 | US4944670 Self-cleaning burner |
| 07/25/1990 | EP0379025A2 Combustion furnace for burning sample to be analyzed |
| 07/10/1990 | US4940408 For firing molded ceramic green product |
| 05/30/1990 | EP0227681B1 Manipulator at furnaces and the like |
| 05/02/1990 | CN2056741U Remote open magnetic seal door |
| 05/01/1990 | CA1268324A1 Mobile apparatus for cleaning remnants of carbon blocks |
| 04/25/1990 | EP0364825A1 Apparatus for taking discontinuous measurements on molten metal |
| 04/17/1990 | US4918705 Furnace enclosure having a clear viewpath |
| 02/22/1990 | WO1990001666A1 Device for cleaning conveying channels with a refractory coating |
| 02/22/1990 | WO1990001665A1 Process and device for cleaning conveying channels |
| 02/13/1990 | CA1265784A1 Method and apparatus for recovering heat from gases containing substances which contaminate heat transfer surfaces |
| 01/24/1990 | CN1039103A Apparatus for breaking small range of scale and masonry in rotary kiln |
| 12/19/1989 | US4887539 Process and apparatus for continuous dry removal of bottom |
| 11/23/1989 | EP0342417A1 Process and device for removing settlings on the insides of rotary drums in lying position |
| 11/08/1989 | EP0340438A1 Device for breaking small parts of the settlings and the linings in rotary drum furnaces |
| 11/02/1989 | EP0339066A1 Process and device for cleaning the surface of the rollers of a roller hearth furnace |
| 10/10/1989 | US4872834 Recovery boiler port cleaner |
| 10/03/1989 | US4871211 Method of restoring refractory lining for repeated use using thermal shock and milling procedures |
| 09/13/1989 | EP0331937A1 Roll hearth furnace for heating slabs, ingots, billets, metal sheets and similar materials |
| 08/29/1989 | US4861112 Apparatus for cleaning aluminum cells |
| 08/23/1989 | EP0252967B1 Apparatus for continuous dry removal of bottom ash |
| 08/15/1989 | US4856987 Tunnel kiln for ceramic firing |
| 06/28/1989 | EP0321689A2 Device for a thermometer or for a gas bubbling lance for liquid metals or the like, especially for aluminum |
| 06/14/1989 | EP0320037A1 Method and device for treating kiln cars |
| 05/05/1989 | WO1989003967A1 Process and device for cleaning the surface of the rollers of a roller hearth furnace |
| 12/01/1988 | DE3716444A1 Process and plant for purifying contaminated bulk goods |
| 11/01/1988 | CA1243839A1 Method for preventing dust depositions or build-ups in off-gas channels of electrothermal smelting furnaces |
| 10/04/1988 | US4775315 Process and apparatus for removal of deposits and linings from horizontal cylinders |
| 08/30/1988 | US4767438 Apparatus for cleaning material transporting rollers |
| 05/31/1988 | US4747582 Manipulator at furnaces |
| 05/19/1988 | DE3637848A1 Induction furnace with clearing machine |
| 01/20/1988 | EP0252967A1 Apparatus for continuous dry removal of bottom ash. |
| 01/14/1988 | WO1988000322A1 Treatment of refractory linings |
| 10/20/1987 | US4701249 Mobile apparatus for cleaning remnants of carbon anode blocks |
| 07/16/1987 | WO1987004231A1 Process and apparatus for continuous dry removal of bottom ash |
| 06/30/1987 | US4676486 Preventing attack of refractory containment by slag |
| 04/22/1987 | EP0219061A1 The removal of furnace linings |
| 04/16/1987 | DE3536788A1 Mobile clearing machine |
| 04/14/1987 | US4657588 Magnesium treatment, desulfurization |
| 03/17/1987 | US4649807 Method for preventing dust depositions or build-ups in off-gas channels of electrothermal smelting furnaces |
| 01/06/1987 | USH194 Abrasive blasting of radioactive particles from nuclear fuel pin; pressurized grit |
| 12/30/1986 | EP0205651A1 Process and device to remove deposits and linings from reposing drums, in particular those in rotative drum furnaces |
| 12/03/1986 | CN85107490A Method and apparatus for crushing deposit and masonry in cylinder |
| 10/21/1986 | CA1212977A1 Methods of vacuum arc melting |
| 08/13/1986 | CN86100876A Method of keeping inductor spouts, downgates and outlet channel free or deposits in connection with a cast iron melt |
| 07/15/1986 | US4599967 For cleaning/deskulling a protruding nozzle |
| 06/04/1986 | EP0183613A1 Induction furnace with vertical channels |
| 05/06/1986 | US4586895 Method of removing slag from oxygen fuel burner |
| 04/24/1986 | WO1986002437A1 Manipulator at furnaces and the like |
| 03/25/1986 | CA1202177A1 Nonferrous metal smelting unit |
| 09/10/1985 | US4539725 Apparatus for cleaning furnace walls |
| 04/16/1985 | US4511125 Ladle scraper mechanism |
| 04/16/1985 | US4511124 Method and composition for fluidization of accumulated pit scrap in soaking pits |
| 06/19/1984 | CA1169246A1 Apparatus for separating agglomerated particulate matter |
| 05/22/1984 | US4449671 Apparatus for separating agglomerated particulate matter |
| 02/14/1984 | US4431443 Methods of vacuum arc melting |
| 10/04/1983 | US4407392 Safety scaffold for metal melting furnaces |
| 05/10/1983 | CA1145949A1 Method of removal of slag deposits from the bottom of a furnace |
| 04/06/1983 | EP0075725A2 Device and process for removing ashes from a tunnel kiln car loaded with burned bricks |
| 03/01/1983 | CA1141953A1 Mechanical punching device for punching the tuyeres of a converter |
| 02/15/1983 | US4373706 Apparatus for heat treatment of material to be worked on, especially of aluminum or magnesium alloys |
| 09/21/1982 | US4350324 By adding a substance that lowers the melting point of the slag, and a substance which causes an exothermic reaction |
| 05/18/1982 | CA1123688A1 Soot blower for pressurized furnace |
| 03/09/1982 | US4318690 Venting process for organic heat transfer media |
| 12/01/1981 | US4303229 Mechanical punching device for punching the tuyeres of a converter |
| 08/25/1981 | US4285504 Tuyere sealing means and silencer |