| Patents for F27B 9 - Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity (7,954) |
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| 08/24/1994 | CN2175390Y Steel pusher machine for continuously heating furnace |
| 08/23/1994 | US5340399 Apparatus for the heat treatment of ophthalmic lenses, especially contact lenses |
| 08/18/1994 | WO1994018514A1 Heating furnace system and method for producing hot rolled workpieces |
| 08/17/1994 | EP0610704A1 Method and device for continually heating of electrically conductive bulk materials |
| 08/17/1994 | CN1025690C Roller bed kiln using coal as fuel |
| 08/16/1994 | US5338008 Solder reflow furnace |
| 08/10/1994 | EP0609649A1 Walking-beam furnace for the accelerated heating of billets or the like |
| 08/10/1994 | CN2173928Y Phi 3m ventilation grate type mechanical vertical kiln with small resistance |
| 08/03/1994 | CN2173383Y Unloading device for mechanical vertical kiln |
| 08/03/1994 | CN2173381Y Push feeding type semi-mechanical coal combustion kiln |
| 08/02/1994 | US5334014 Walking beam furnace |
| 08/02/1994 | US5333366 Installation for manufacture of hot rolled steel strips |
| 08/02/1994 | CA2033939C Induction heating assembly including an interposed closed conductive loop for suppression of intercoil coupling |
| 07/21/1994 | WO1994016279A1 Process for firing a brick and a kiln for carrying out the process according to a. a. minovich and a. f. minovich |
| 07/20/1994 | CN1089676A A method for firing roof tiles in roller hearth kilns and a pressed roof tile for carrying out the method |
| 07/12/1994 | US5328084 Aluminum heat exchanger braze furnace |
| 07/07/1994 | WO1994015161A1 Method and cooler for cooling particulate material |
| 06/29/1994 | EP0604072A1 Method and apparatus for the continuous field annealing of amorphous metal transformer cores |
| 06/29/1994 | CN1088711A Method and apparatus for the continuous field annealing of amorphous mamorphous metal transformer cores |
| 06/28/1994 | US5324366 Holding first part in carburizing chamber to form desired case depth, moving through cooling chamber to equalizing chamber, removing when temperature has equalized, moving second piece from carburizing chamber to cooling chamber |
| 06/23/1994 | WO1994013841A1 Multipurpose atmosphere heat treatment apparatus |
| 06/23/1994 | DE4242821A1 Cooling zone for soldering and similar heat treatment installations |
| 06/22/1994 | CN2169829Y Kiln cart positioning device |
| 06/16/1994 | DE4242086A1 Heating of ceramic firing kiln - by blowing IC engine exhaust gas through electrically heated burner jet tubes |
| 06/15/1994 | CN2169104Y Continuous heating furnace with pushing carrier |
| 06/14/1994 | US5319862 Method of and apparatus for manufacturing a mat for building purpose |
| 06/08/1994 | EP0600386A1 Walking beam furnace |
| 06/08/1994 | CN2168223Y Cement vertical-kiln double-row-teeth driving device |
| 06/01/1994 | EP0599674A1 Lateral kiln charging device for products of the iron and steel industry |
| 06/01/1994 | CN2167342Y Linkage moving equipment for mesh-belt furnace |
| 05/31/1994 | US5317592 Direct resistance heating electrical furnace assembly and method of operating same |
| 05/31/1994 | US5316710 Process for producing ceramic honeycomb structural bodies |
| 05/31/1994 | US5316471 Method and apparatus for mass transfer in multiple hearth funaces |
| 05/31/1994 | US5316129 Ceramic conveyor roll having flat-sided spring retainer for non-rotatably mounting end caps to roller |
| 05/26/1994 | WO1994011537A1 Industrial furnace |
| 05/26/1994 | WO1994011321A1 Manufacture of roof tiles |
| 05/24/1994 | US5314330 Walking hearth furnace |
| 05/24/1994 | US5314170 Steel heating furnace |
| 05/24/1994 | US5314169 Method and apparatus for heat treating elongate metallic products |
| 05/17/1994 | US5312246 Heating and conveying apparatus |
| 05/17/1994 | CA1329489C Cooling chamber for the convection cooling of two-dimensionally arranged material |
| 05/10/1994 | US5310975 Method and apparatus for the continuous field annealing of amorphous metal transformer cores |
| 05/10/1994 | US5310338 Heat retaining curtains for reheat furnace discharge openings and charging openings |
| 05/04/1994 | EP0594767A1 Roller drive system for roller hearth kiln |
| 05/03/1994 | US5308946 Induction heating apparatus and method for heating metal strips and slabs |
| 04/27/1994 | CN1024339C Horizontal sealing activated carbon fiber activator |
| 04/26/1994 | US5306359 Method and apparatus for heat treating |
| 04/21/1994 | DE4234733A1 Balancing furnace in steel rolling mill compact strip production plant - moves steel slabs from casting to rolling line by tipping action reducing the size of the heated holding zone by size of one slab |
| 04/20/1994 | EP0592723A1 Continuous scrap preheating |
| 04/20/1994 | CN1085653A Totally enclosed microoxidation infrared car type furnace |
| 04/20/1994 | CN1024270C Process and apparatus for graphitizing carbon bodies |
| 04/20/1994 | CN1024269C Process & apparatus for graphitizing carbon bodies |
| 04/19/1994 | US5303660 Industrial oven with expandable surfaces |
| 04/14/1994 | WO1994008190A1 Method and apparatus for improving the performance of a heating furnace for metal slabs |
| 04/14/1994 | WO1994008189A1 Walking hearth furnace |
| 04/14/1994 | DE4334687A1 Furnace installation and method for heat treatment of metal components - with division walls and with three empty stations left between the stations loaded first and last |
| 04/14/1994 | DE4303686A1 Furnace installation for heat treatment of metal components - with ring-shaped furnaces and component receptacles rotatable through them |
| 04/12/1994 | US5302178 Hardening furnace for sheets of glass and the like |
| 04/12/1994 | US5301929 Conveying device for push-type or continuous-heating furnaces |
| 04/06/1994 | EP0590368A1 Vertical drying kiln for tiles with blown-air drying |
| 03/31/1994 | WO1994007100A1 Low profile kiln apparatus |
| 03/29/1994 | US5297670 Apparatus for driving rollers in roller hearth kiln |
| 03/23/1994 | EP0588773A1 A method for firing roof tiles in roller hearth kilns and a pressed roof tile for carrying out the method |
| 03/23/1994 | EP0588771A1 A plant for firing ceramic pipes and the like |
| 03/23/1994 | CN2159542Y Two cylinder, push-pull rotary swing mechanism vertical kiln |
| 03/08/1994 | US5291670 Process for baking wire-like products clad in insulating plastics resin, and an oven for performing the said method |
| 03/03/1994 | DE4228006A1 Continuous roller hearth furnace |
| 03/01/1994 | US5291514 Heater autotone control apparatus and method |
| 03/01/1994 | US5289968 Aluminum brazing method and furnace therefor |
| 02/24/1994 | DE4218705A1 Roller hearth furnace construction - involves retort limited by cover and floor, which crosses complete furnace from cold to hot to cold |
| 02/23/1994 | CN2157472Y Energy-saving towering mechanical shaft kiln |
| 02/22/1994 | US5288227 Method for cooling ceramics, especially ceramic tiles produced in roller kilns, and the relative plant |
| 02/16/1994 | CN1082185A Method and apparatus for drying and roasting green bricks |
| 02/08/1994 | US5284526 Mixing nitrogen containing oxygen with hydrogen over catalyst, mixing with hydrocarbon, heating to convert moisture to carbon monoxide and hydrogen |
| 02/03/1994 | WO1994002279A1 Apparatus and process for soldering component onto boards |
| 02/01/1994 | US5283804 Heating in an electric furnace in an atmosphere of protective gases |
| 02/01/1994 | US5282742 Double walking beam furnace for the heat treatment of individual parts |
| 02/01/1994 | CA1326595C Furnace |
| 01/27/1994 | DE4302976A1 Vorrichtung und Verfahren zum Auflöten von Bauelementen auf Platinen Apparatus and method for soldering components onto boards |
| 01/19/1994 | EP0290488B1 Treatment of waste and a rotary kiln therefor |
| 01/19/1994 | CN1023577C Full automatic tunnel furnace |
| 01/12/1994 | CN1080713A Improved roll bed kiln and charging and discharging vehicle |
| 12/29/1993 | EP0576352A1 Apparatus for homogenous induction heating of metal strip as it passes |
| 12/29/1993 | EP0575820A1 Installation for manufacturing hot-rolled steel strip |
| 12/28/1993 | US5272970 Pin ovens and transfer devices therefor |
| 12/23/1993 | WO1993025360A1 Process and facility for drying and/or baking raw bricks |
| 12/22/1993 | EP0574757A1 Procedure and apparatus for drying or baking |
| 12/22/1993 | CN1079819A Roller type tunnel kiln burning coal for ceramic production and baking technology |
| 12/21/1993 | US5271545 Muffle convection brazing/annealing system |
| 12/21/1993 | CA1325333C Heating and handling system for metal consolidation process |
| 12/15/1993 | EP0574278A1 Method of bonding two pieces during substantial temperature variations |
| 12/07/1993 | US5267853 Curing device |
| 11/30/1993 | US5266027 Roller-hearth continuous furnace |
| 11/25/1993 | WO1993023714A1 Industrial furnace with roller components and running surfaces for transporting material to be burnt |
| 11/24/1993 | CN2147491Y Gearing device for cement tower machine vertical kiln |
| 11/24/1993 | CN2147490Y Step-by-step furnace moveable beam direction guiding device |
| 11/16/1993 | US5261527 Tandem belt conveyor system |
| 11/16/1993 | CA1324337C Declined bed contactor |
| 11/09/1993 | US5259758 Industrial oven with expandable surfaces |
| 11/04/1993 | DE4233834C1 Tunnel oven obviating gathering of residual material - involves push beams in oven inlet and outlet operable from outside and transporting residual material outwards |