| Patents for B23K 26 - Working by laser beam, e.g. welding, cutting, boring (47,857) |
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| 05/30/1991 | WO1991007250A1 Laser welding method for zinc-plated steel sheet |
| 05/30/1991 | CA2030763A1 Method for forming through holes in a polyimide substrate |
| 05/29/1991 | EP0429368A1 Light-beam focalization device allowing a focal spot with oblong shape to be obtained |
| 05/29/1991 | EP0428748A1 Method of preventing erroneous projection of laser beam in a laser robot |
| 05/29/1991 | EP0428734A1 Laser beam machining device |
| 05/29/1991 | EP0428610A1 Cutting using high energy radiation. |
| 05/29/1991 | EP0428609A1 Making an elongate cut using high energy radiation. |
| 05/29/1991 | EP0428588A1 Manufacture of finely perforated sheet material. |
| 05/29/1991 | DE3938779A1 Laser beam unit esp. for drilling hole in fuel injector - has workpiece subjected to oscillatory vibration and rotated to improve dimensional precision and quality |
| 05/28/1991 | US5020063 Laser apparatus |
| 05/28/1991 | US5018848 Laser beam transmitting apparatus |
| 05/28/1991 | US5018844 Passive beam derotator |
| 05/28/1991 | US5018817 Method of optically coupling optical fiber to waveguide on substrate, and optical device produced by the method |
| 05/23/1991 | DE4006167C1 Steel pipes mfr. - by forming strip into slit tube and welding tube with sides of slit pressed together |
| 05/22/1991 | EP0427737A1 Method of micro-working the surface of a workpiece while using a laser beam. |
| 05/22/1991 | EP0427718A1 Press for holding a magnetic yoke during welding. |
| 05/21/1991 | US5018164 Excimer laser ablation method and apparatus for microcircuit fabrication |
| 05/21/1991 | US5017753 Method and apparatus for producing parts by selective sintering |
| 05/21/1991 | US5017547 Use of vacuum for improved density in laser-induced thermal dye transfer |
| 05/21/1991 | US5016971 Automated laser fusion system for high strength optical fiber splicing |
| 05/16/1991 | WO1991006406A1 Razor |
| 05/16/1991 | WO1991006395A1 Process and device for controlling a pulsed laser |
| 05/16/1991 | WO1991006389A1 Method and device for laser brazing |
| 05/15/1991 | EP0427004A2 Apparatus for processing a hollow cylinder with a laser |
| 05/15/1991 | EP0426669A1 Method and apparatus for controlling the depth of cut of a laser knife |
| 05/14/1991 | US5015820 Method of making spring washer with laser beam |
| 05/14/1991 | US5015819 Device for perforating rod-shaped items |
| 05/14/1991 | US5015818 Magnetic collector for FTM laser weld debris and method |
| 05/08/1991 | EP0426600A2 Formation of high quality patterns for substrates and apparatus therefor |
| 05/08/1991 | EP0426069A2 Perforating apparatus for cylindrical articles |
| 05/08/1991 | EP0425881A1 Machine tool |
| 05/08/1991 | EP0425812A2 Chip breaker for polycrystalline CBN and diamond compacts |
| 05/08/1991 | EP0425531A1 Process and device for machining workpieces using a laser beam |
| 05/08/1991 | DE3936716A1 Device for altering material structure using pulsed light beam - coagulation o biological tissues is produced in spatially limited region by using pulsing laser light beam with pref. light strength |
| 05/08/1991 | DE3936479A1 Metallic and ceramic substrate coating method - using powder material applied to surface in liq. medium and melted by laser beam |
| 05/07/1991 | US5014207 Solid imaging system |
| 05/07/1991 | US5013886 Real-time magnetic-flux breakthrough detection method and system for laser drilling |
| 05/07/1991 | US5013311 Envelope generator for a power beam |
| 05/07/1991 | US5013275 Continuous laser beam FTM mounting for CRT |
| 05/02/1991 | WO1991005631A1 Laser cutting method |
| 05/02/1991 | WO1991004573A3 Excimer laser ablation method and apparatus for microcircuit device fabrication |
| 05/02/1991 | EP0425137A1 Apparatus and method for the production of grooves or ribs in or on a surface |
| 05/02/1991 | EP0425136A1 Mask and method for the production of at least one groove, rib or different intensity strip in or on a surface |
| 05/02/1991 | DE3935528A1 Verfahren und vorrichtung zur steuerung gepulster lasersysteme in der materialbearbeitung Method and device for controlling pulsed laser systems in material processing |
| 05/01/1991 | CA2023388A1 Chip breaker for polycrystalline cbn and diamond compacts |
| 04/30/1991 | US5012087 Fiber optic safety system |
| 04/30/1991 | US5012069 Power control method in a CNC laser machining system |
| 04/30/1991 | US5012067 Diamond cutting method |
| 04/30/1991 | US5012066 Method of and apparatus for manufacturing eyeless suture needle |
| 04/30/1991 | US5011626 Thixotropic slurry of polyacrylamide and acrylic particles as dispersant |
| 04/30/1991 | US5011282 Laser beam path alignment apparatus for laser processing machines |
| 04/30/1991 | US5011253 Optical system for laser marking |
| 04/25/1991 | DE4030734A1 Dental treatment by pulsed solid state laser - using fibre-optics tool and hydroxy-apatite or tetra:calcium phosphate filler |
| 04/25/1991 | DE3934646A1 Power or pulse energy control for laser cutting of biological tissue - using light output resulting from pyrolysis as control signal |
| 04/24/1991 | EP0423994A1 Automated laser fusion for high strength optical fiber splicing |
| 04/24/1991 | EP0423433A1 Method and apparatus for bonding component leads to pads located on a non-rigid substrate |
| 04/24/1991 | EP0423431A2 Surgical laser |
| 04/24/1991 | EP0423215A1 A method of processing an article by means of a laser beam. |
| 04/24/1991 | EP0423167A1 Process and installation of manufacturing a perforated tubular plastic foil by action of a laser beam, perforated plastic foil and plastic bag formed from such a tubular plastic foil |
| 04/24/1991 | EP0226581B1 Method for forming a peripheral edge on contact lenses |
| 04/23/1991 | US5010232 Method of and apparatus for perforating printed circuit board |
| 04/23/1991 | US5010231 Method of forming lines of weakness in or grooving a plastic material, especially a packaging material |
| 04/23/1991 | US5010230 Laser processor |
| 04/22/1991 | CA2028039A1 Mask and method for the production of at least one groove, rib or different intensity strip in or on a surface |
| 04/22/1991 | CA2028037A1 Mask and method for the production of grooves or ribs in or on a surface |
| 04/18/1991 | WO1991004829A1 Device for providing a beam of laser radiation having a homogeneous energy distribution |
| 04/18/1991 | WO1991004828A1 High power, multi axis laser beam cutter with image processing monitor |
| 04/18/1991 | WO1991001193A3 Coupling mechanism for efficient conversion of axisymmetric beam profiles into profiles suitable for diffraction-free transmission in free space |
| 04/18/1991 | DE4032967A1 Monitoring optical fibres conducting high power laser beams - measuring intensity losses before and after beam passes through fibre by photosensors |
| 04/18/1991 | DE4011553C1 Flexible fibre bundle esp. for transmission of laser radiation - comprises multimode single fibres comprising core, sheath and protective coating |
| 04/17/1991 | EP0423069A2 Cutting head for use in a non-contact cutting process |
| 04/17/1991 | EP0423054A2 Method of producing printing plates by means of a laser beam |
| 04/17/1991 | EP0229159B1 Method for producing enhanced bonds between surfaces and articles produced by the method |
| 04/16/1991 | US5008513 Shaping of bonded abrasive products |
| 04/16/1991 | US5008512 Method of laser bonding electrical members |
| 04/16/1991 | US5008510 Laser punch press, and beam detection device for adjusting the laser beam path |
| 04/16/1991 | US5007977 Register determines circumference, guide rolleer directs perforated strip onto lens and braking mechanism controls feeding of strip |
| 04/16/1991 | US5007686 Process for rounding bristle tips on brushes |
| 04/16/1991 | US5007225 Construction of large sandwich structures |
| 04/16/1991 | CA1283005C Coupling aid for laser fusion of metal powders |
| 04/10/1991 | EP0421837A1 Apparatus for marking the surface by laser of cheese or meat products |
| 04/10/1991 | EP0421135A2 Method and process for determining the position and diameter of a laser beam focus, used for workpieces machining with a high power laser |
| 04/10/1991 | EP0421117A1 Laser beam machining head |
| 04/10/1991 | EP0421091A1 Lap-weld- or web joint-weld for galvanized sheet-irons |
| 04/09/1991 | US5006900 Transfer apparatus having vacuum holes and method of making such apparatus |
| 04/09/1991 | US5006694 Robot type apparatus for performing a plurality of operations on a work piece |
| 04/09/1991 | US5006688 Laser-arc apparatus and method for controlling plasma cloud |
| 04/09/1991 | US5006268 Device for laser welding inside a tubular element |
| 04/09/1991 | US5005929 Apparatus including a laser scanner |
| 04/09/1991 | CA1282842C Method and device for the orientation and longitudinal movement of rounded can bodies in relation to a welding apparatus |
| 04/04/1991 | WO1991004573A2 Excimer laser ablation method and apparatus for microcircuit device fabrication |
| 04/03/1991 | EP0420018A2 Rounded cans bodies feeding device for a welding unit |
| 04/03/1991 | EP0419999A1 Method for working friction stressed surfaces in internal combustion engines |
| 04/03/1991 | EP0419671A1 Laser output control system |
| 04/02/1991 | US5004890 Method of evaluating quality of a laser beam in a laser processing machine |
| 04/02/1991 | US5004889 Laser power controlling method |
| 03/28/1991 | DE3931401A1 Laser welding gun - with transverse gas suction device to prevent particles emitting from plasma gas soiling the focussing lens |
| 03/27/1991 | EP0419134A1 Method of laser machining molds with microtextured surfaces |
| 03/27/1991 | EP0419069A2 System for selective laser assisted plating |
| 03/27/1991 | EP0419027A2 System and method for compensating asymmetric beam energy distribution during focussing |