| Patents for B23K 20 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating (16,765) |
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| 06/21/1991 | WO1991008857A1 Weakening wire supplied through a wire bonder |
| 06/21/1991 | CA2071219A1 Weakening wire supplied through a wire bonder |
| 06/20/1991 | DE3941739A1 Tube inner cladding - is inner tube bonded into place by explosive distortion |
| 06/20/1991 | CA2030427A1 Method of enhancing bond joint structural integrity of spray cast articles |
| 06/18/1991 | US5024369 Method to produce superplastically formed titanium alloy components |
| 06/18/1991 | US5024368 Stopping-off method for use with diffusion bonding |
| 06/18/1991 | US5024367 Wire bonding method |
| 06/13/1991 | DE3941056A1 Metallic bars friction welding to tubular conductor - fusing half into recess in each bar to produce 5 to 10 mm thick contact |
| 06/12/1991 | EP0431018A1 Forming hard facings on materials |
| 06/12/1991 | CN1012829B Improvement to metal wires used for reinforcing elastomeric material |
| 06/11/1991 | US5023697 Noncracking of glass coating |
| 06/11/1991 | US5022148 Method for explosively welding a sleeve into a heat exchanger tube |
| 06/11/1991 | CA1284720C Method for bonding ceramic to metal |
| 06/05/1991 | CN1012731B Composite body |
| 05/29/1991 | EP0428908A1 Heat transfer pipe and method of making the same |
| 05/28/1991 | US5018658 Bonding wedge |
| 05/21/1991 | US5017544 Aluminum oxide, heating, diffusion, catalytic converter |
| 05/21/1991 | US5016803 Wire bonding apparatus |
| 05/21/1991 | CA1284394C Bumpless tape automated bonding |
| 05/16/1991 | WO1991006394A1 Device for welding metal components and plastic components |
| 05/14/1991 | CA1284008C Method of forming articles |
| 05/08/1991 | CN1012582B Method of clamping rails for pressure welding same and clamping apparatus therefore |
| 04/30/1991 | US5011062 Ultrasonic welding mask |
| 04/30/1991 | US5011061 Wire bonding device |
| 04/25/1991 | DE3935417A1 Friction welding support pin inside wall of refrigerator - by locating pin from the outside so that its flange is not visible |
| 04/24/1991 | EP0423433A1 Method and apparatus for bonding component leads to pads located on a non-rigid substrate |
| 04/23/1991 | US5010050 Process of producing composite material consisting of sheet metal plates, metal strips and foils having a skeleton surface structure and use of the composite materials |
| 04/23/1991 | US5009360 Metal-to-metal bonding method and resulting structure |
| 04/23/1991 | US5009359 Process for joining workpieces of metal or ceramic by boundary surface diffusion |
| 04/23/1991 | US5009357 Metallizing ceramic surface, then thermocompression bonding to metal |
| 04/18/1991 | DE3934062A1 Combined tool for vibrational welding and cutting of flat workpieces - where welding ram is located in its forward position by inflatable tubes and gripped by sides of device |
| 04/16/1991 | US5007577 Multiple-core complex material and method of manufacturing the same |
| 04/16/1991 | US5007165 Method of producing a cam shaft |
| 04/10/1991 | EP0421018A1 Method and device for welding of metallic work-pieces with ultrasonic waves |
| 04/09/1991 | US5006917 Thermocompression bonding in integrated circuit packaging |
| 04/05/1991 | CA2021625A1 Alloy turbine disk |
| 04/04/1991 | WO1991004123A1 Method of producing spot-like partially clad member |
| 04/03/1991 | CN1050409A Method and device for hot-treatment of deformation at joint of friction welding |
| 03/27/1991 | EP0419129A1 Crimp height monitor |
| 03/27/1991 | EP0418606A1 Diffusion bonding method for corrosion-resistant materials |
| 03/26/1991 | US5003373 Aluminum electrode, copper ball at the end of a copper wire, a copper-aluminum alloy |
| 03/26/1991 | US5002219 Method and apparatus for clamping large assemblies for diffusion bonding and superplastic forming |
| 03/26/1991 | US5002218 Method of joining ceramics and metal |
| 03/26/1991 | US5002217 Bonding method and bonding apparatus |
| 03/21/1991 | WO1991003830A1 Multi-element metallic composite article and method of manufacture |
| 03/19/1991 | US5001019 Joined ceramic and metal |
| 03/19/1991 | US5000371 Heating the surface of steel to a temperature above its lower critical temperature to form a depleted zone and bonding |
| 03/19/1991 | US5000368 Method for cladding the ends of a pre-clad tubular product in preparation for threading |
| 03/13/1991 | EP0416239A1 Procedure for the fabrication of a crunkshaft or a corresponding structural component |
| 03/12/1991 | US4998664 Bond signature analyzer |
| 03/12/1991 | US4998663 Friction welding apparatus |
| 03/12/1991 | CA1281213C Method for explosively welding a tube to a tubesheet while preventing separation of cladding from the tubesheet |
| 03/07/1991 | WO1991002620A1 Diffusion bonding of titanium alloys with hydrogen-assisted phase transformation |
| 03/05/1991 | US4998002 Wire-bonding method, wire-bonding apparatus, and semiconductor device produced by the wire-bonding method |
| 02/28/1991 | DE3927762A1 Roll bonding steel strip to aluminium strip - by spray coating steel with thin film of aluminium to improve bonding properties to avoid redn. in steel thickness |
| 02/27/1991 | EP0414435A2 Method of manufacturing a heat exchanger |
| 02/27/1991 | EP0414146A2 Wire bonding apparatus |
| 02/27/1991 | EP0413937A2 Thermocompression bonding in integrated circuit packaging |
| 02/27/1991 | EP0413790A1 Cold pressure welding method and machine. |
| 02/27/1991 | CN2071998U Hot pressure welder for water-proof coiled materials |
| 02/26/1991 | US4995919 Applying heating current to ribbon under tension |
| 02/26/1991 | US4995552 Anti-oxidation system of a wire bonder using a copper wire |
| 02/26/1991 | US4995548 Preparation process for coextrusion billets with multiple metallic cylindrical layers |
| 02/26/1991 | US4995544 Friction welding apparatus |
| 02/19/1991 | US4993618 Wire bonding method |
| 02/19/1991 | US4993150 Process for producing cup tappets for reciprocating-piston machines |
| 02/15/1991 | CA2015014A1 Diffusion bonding of titanium alloys with hydrogen-assisted phase transformation |
| 02/12/1991 | CA1280106C Method of manufacture of manifolds and manifold provided by such method |
| 02/06/1991 | EP0411926A1 Stopping-off method for use with diffusion bonding |
| 02/06/1991 | CN1011495B Combined thin sheet-exploding process |
| 02/05/1991 | US4990732 Discharge device for magnetic-pulse working and welding of metals |
| 02/05/1991 | US4989774 Structural box beams |
| 02/05/1991 | CA1279903C Inert atmosphere control for induction heated pressure welding system |
| 02/05/1991 | CA1279756C Clad sheets and process and apparatus for producing same |
| 01/29/1991 | US4988037 Method and apparatus for superplastic forming and diffusion bonding of hollow parts |
| 01/23/1991 | EP0409582A1 Method for forming a bump by bonding a ball on an electrode of an electronic device |
| 01/22/1991 | US4987000 Mechanical plating process |
| 01/22/1991 | US4986461 Method of constructing tools intended for use in work carried out with the aid of shock-wave generating energy sources |
| 01/16/1991 | EP0408367A1 A tool using gold as a binder and a process for the production of the same |
| 01/15/1991 | US4984927 Ceramic and metal joining structure |
| 01/15/1991 | US4984730 Quality control for wire bonding |
| 01/10/1991 | DE3921653A1 Force measurement during ultrasonic welding - using piezoceramic sensor between two plates connected to moving tool, allowing calculation of exact force between two welded components |
| 01/09/1991 | EP0406688A2 Method for manufacturing titanium clad steel plate |
| 01/09/1991 | EP0406351A1 Ultrasonic laser soldering. |
| 01/09/1991 | CN1011129B Curved superplastic forming/diffusion bonding sandwich fabricated structures |
| 01/08/1991 | US4982893 Diffusion bonding of titanium alloys with hydrogen-assisted phase transformation |
| 01/05/1991 | WO1991000255A1 Articles including a ceramic member and a metal member bonded together |
| 01/05/1991 | CA2062785A1 Articles including a ceramic member and a metal member bonded together |
| 01/01/1991 | US4981250 Explosion-welded pipe joint |
| 12/27/1990 | EP0404531A1 Friction bonding apparatus |
| 12/27/1990 | CA1278166C Reinforced panel, a process for manufacturing it and apparatus for carrying out this process |
| 12/25/1990 | US4980245 Multi-element metallic composite article |
| 12/25/1990 | US4980236 Melting ceramic containing filler occupying specified volume fraction seals togather a first and second ceramic material |
| 12/25/1990 | US4979665 Process for producing a spacer for the tubes of a heat exchanger |
| 12/20/1990 | DE3919199A1 Verfahren zur herstellung von waelzlagerelementen A process for preparing waelzlagerelementen |
| 12/19/1990 | EP0402756A2 Process of forming bump on electrode of semiconductor chip and apparatus used therefor |
| 12/18/1990 | US4978054 Coating the metals with silver nitrate, decomposing to form a uniform silver coating, contacting and heating |
| 12/18/1990 | US4978050 For a wire bonder |
| 12/13/1990 | WO1990013391A3 Joining method |
| 12/13/1990 | WO1990013388A3 Friction welding |