| Patents for B23K 1 - Soldering, e.g. brazing, or unsoldering (16,089) |
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| 07/16/1991 | US5031820 PCB rework station |
| 07/16/1991 | US5031818 Soldering machine operating with a protective gas and provided with automatically operating lock doors |
| 07/09/1991 | US5030805 Condensation heating apparatus |
| 07/09/1991 | US5029748 Solder preforms in a cast array |
| 07/09/1991 | CA1285998C Automatic soldering apparatus |
| 07/03/1991 | EP0435813A2 Integrated brazing fixture for brazing titanium |
| 07/03/1991 | EP0435274A2 Tubular body having pipe joint member attached thereto |
| 07/03/1991 | EP0434802A1 Gasproof edge seal and method for producing it. |
| 07/03/1991 | CN1013033B Device for transferring printed circuit board |
| 07/02/1991 | US5029243 Device for working a workpiece using laser light |
| 07/02/1991 | US5028760 Infrared heater |
| 07/02/1991 | US5028399 Gas manifold for solder reflow processing atmosphere |
| 06/27/1991 | WO1991008855A1 Tunnel for fluxless soldering |
| 06/27/1991 | DE4032192A1 Heating device for ultrasonic bonding tool - comprises resistance element directly bonded to tool |
| 06/27/1991 | DE3940933A1 Press deformation of soldered base plate - esp. to form convexly curved semiconductor module base plate |
| 06/26/1991 | EP0434313A2 Enhanced direct bond structure |
| 06/26/1991 | EP0433803A1 Solder joint locator |
| 06/26/1991 | EP0124574B1 Method and apparatus for the manufacture of non-allergy creating precious metal objects |
| 06/19/1991 | EP0432874A1 Binary azeotropic compositions of 2,3-dichloro-1,1,1,3,3,-pentafluoropropane and methanol |
| 06/19/1991 | CN1052271A Two step vacuum smelting method for composite metal anti-abrasive hammer sheet and cutter |
| 06/18/1991 | US5025125 Brazing or soldering method and device including a laminar flow or gaseous flux |
| 06/18/1991 | US5024596 Infra-red equipment |
| 06/18/1991 | US5024370 Automatic soldering method and the apparatus thereof |
| 06/18/1991 | US5024366 Desoldering vat |
| 06/13/1991 | DE3941069A1 Conduction plate soldering device - uses flux funnel neck using as few metal parts as possible that produces fine porous foam |
| 06/12/1991 | EP0431632A1 Heat exchanger made of aluminum |
| 06/12/1991 | EP0431095A1 Composition for a solder mask, product thereof and process for using same |
| 06/12/1991 | CN1052139A Furfuryl alcohol mixtures for use as cleaning agents |
| 06/11/1991 | US5023848 Solder wave dwell timer |
| 06/11/1991 | US5023507 Faceplate assembly |
| 06/11/1991 | US5023426 Robotic laser soldering apparatus for automated surface assembly of microscopic components |
| 06/11/1991 | US5023407 Printed circuit board with a uniform conductive layer formed by equalization of metals therein |
| 06/06/1991 | DE4037508A1 Heat exchanger mfr. process - involves two=part deflection chamber with bent connection edges |
| 06/05/1991 | EP0430861A1 Laser soldering system for SMD elements |
| 06/05/1991 | CN1012731B Composite body |
| 06/04/1991 | US5021630 Laser soldering method and apparatus |
| 06/04/1991 | US5020716 Integrated brazing fixture for brazing titanium |
| 06/02/1991 | CA2031392A1 Laser soldering system for smd-components |
| 05/30/1991 | WO1991007248A1 Shield gas wave soldering |
| 05/30/1991 | WO1991007247A1 Method for manufacturing a soldered article |
| 05/29/1991 | EP0277209B1 Wave solder finger shield apparatus |
| 05/28/1991 | US5018662 For fuel system of internal combustion engines; corrosion resistance |
| 05/21/1991 | US5017170 Brazing method for mounting a tension shadow mask |
| 05/21/1991 | US5017131 Atmosphere furnace |
| 05/21/1991 | US5016809 Thermal degreasing in reactive atmospheres and subsequent brazing of aluminum-based sheets or parts |
| 05/16/1991 | WO1991006390A1 Solder leveller |
| 05/16/1991 | WO1991006389A1 Method and device for laser brazing |
| 05/16/1991 | DE3937476A1 Glass container mouthpiece tool - has reinforcing half-shell bonded to mouthpiece half-shell by induction soldering to reduce formation of oxide(s) |
| 05/15/1991 | EP0427020A2 Method and device for processing soldering joint partners |
| 05/15/1991 | EP0426944A1 Cleaning agent for rosin-base solder flux |
| 05/15/1991 | EP0426943A2 Agent and method for removing rosinbase solder flux |
| 05/15/1991 | EP0426919A1 Hot gas soldering system |
| 05/15/1991 | CN1051398A Treating aluminum workpieces |
| 05/14/1991 | US5015536 Method of mounting permanent magnets without organic adhesives |
| 05/14/1991 | US5015512 Solder-enclosing heat-shrinkable tube |
| 05/14/1991 | US5014900 Deep access bond head |
| 05/14/1991 | US5014771 Heat exchanger core reinforcement |
| 05/14/1991 | CA1284190C Dual solder process for connecting electrically conducting terminals of electrical components to printed circuit conductors |
| 05/08/1991 | EP0426512A2 Tetrahydrofurfuryl alcohol mixtures used as cleaning agents |
| 05/08/1991 | DE4033457A1 Soldering unit esp. for automobile frame tubes - has tubes coupled and placed in heated hydrogen-filled container and inductors fed into tube ends to heat soldering points |
| 05/02/1991 | WO1991005628A1 Process for joining a first metal body to a second |
| 05/02/1991 | EP0424731A2 Method to realize a soldering joint for a rotating coupling between a sleeve and a nut, for connecting pipes in the air conditioning and cold fields |
| 05/02/1991 | EP0424513A1 Method of making a hermetic seal in a solid-state device |
| 04/30/1991 | US5011547 Improved tensile strength, corrosion resistance; low magnesium content |
| 04/30/1991 | US5011066 Enhanced collapse solder interconnection |
| 04/25/1991 | DE3934659A1 Verfahren zum verbinden eines ersten metallischen koerpers mit einem zweiten metallischen koerper A method for connecting a first metal body with a second metallic body |
| 04/24/1991 | EP0424171A2 Perfluoro-N,N,N',N'-tetrapropyldiaminopropane and use thereof in vapor phase heating |
| 04/24/1991 | EP0423500A2 Method of fabricating a flat condenser for a refrigeration machine, in particular for a household refrigerator, and the flat condenser thereof |
| 04/24/1991 | EP0423433A1 Method and apparatus for bonding component leads to pads located on a non-rigid substrate |
| 04/20/1991 | CA2026165A1 Perfluoro-n,n,n',n'-tetrapropyldiaminopropane and use thereof in vapor phase heating |
| 04/18/1991 | WO1991005035A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms |
| 04/18/1991 | WO1991004825A1 Method of fluxless soldering of al-members |
| 04/18/1991 | WO1991004824A1 Combined i.r./convection reflow soldering system |
| 04/18/1991 | DE3936546C1 Vapour phase soldering unit - has pump which pumps primary soldering medium via supply valve into cooling vessel containing temperature sensor |
| 04/18/1991 | CA2067218A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms |
| 04/17/1991 | EP0422612A2 Method of brazing metal members |
| 04/17/1991 | CA2027716A1 Process for the production of a plate condenser for a refrigerating machine, especially for a household refrigerator, as well as special plate condensers produced according to theproces |
| 04/16/1991 | US5007574 Desoldering device |
| 04/16/1991 | US5007369 Apparatus for solder coating printed circuit panels |
| 04/16/1991 | CA1283224C Tin-soldering machine with automatic wave barrier for printed circuit boards |
| 04/09/1991 | US5005757 Bonded segmented cylindrical magnet assembly |
| 04/09/1991 | US5005285 Method of producing an aluminum heat exchanger |
| 04/02/1991 | US5004045 Vehicle radiator with clamping fixture to reduce deformation during brazing and method of making |
| 04/02/1991 | US5004034 Method of surface bonding materials together by use of a metal matrix composite, and products produced thereby |
| 03/27/1991 | EP0418606A1 Diffusion bonding method for corrosion-resistant materials |
| 03/27/1991 | CN1050151A Improved solder paste formulation containing stannous fluoride |
| 03/27/1991 | CN1050149A Process for soldering allowing low ionic contamination without cleaning operation |
| 03/26/1991 | US5003160 Reflow furnace control system |
| 03/26/1991 | US5002218 Method of joining ceramics and metal |
| 03/21/1991 | WO1991003350A1 Soldering apparatus comprising a spout cleaning member |
| 03/20/1991 | EP0417923A1 Desoldering device |
| 03/20/1991 | EP0417894A2 Tube and fin assembly for heat exchangers in power plants |
| 03/20/1991 | CN1012045B Brazing method of end surface of internal combustion engine exhaust valve bar |
| 03/19/1991 | US5000819 Metal surface cleaning processes |
| 03/19/1991 | US5000368 Method for cladding the ends of a pre-clad tubular product in preparation for threading |
| 03/19/1991 | US5000367 Sight glass structure and method of installing the same |
| 03/13/1991 | EP0416758A1 Method of brazing aluminium-based sheets or parts |
| 03/06/1991 | EP0415261A1 Improved solder paste formulation containing stannous fluoride |
| 03/05/1991 | US4997123 Multi-piece flexural pivot |
| 03/05/1991 | US4997122 Solder shaping process |