| Patents for B23K 26 - Working by laser beam, e.g. welding, cutting, boring (47,857) |
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| 11/24/1981 | US4302654 Microperforation of cigarette tipping paper by use of laser beam |
| 11/24/1981 | US4302508 Resistors |
| 11/17/1981 | US4301353 Method for producing magnetic head |
| 11/17/1981 | US4300474 Apparatus for application of metallic coatings to metallic substrates |
| 11/17/1981 | CA1112555A1 Cutting of contour bevels |
| 11/03/1981 | US4298784 Arrangement for measuring the distance between a metallic workpiece and a processing tool |
| 10/27/1981 | US4297559 Apparatus for controlled perforation of moving webs with fixed focus laser beam |
| 10/27/1981 | CA1111504A1 Apparatus useful for exposing a circumferential path around a workpiece to tool means |
| 10/21/1981 | EP0038297A1 Method of deburring a sharp instrument, apparatus to use the method and sharp instrument obtained by the method |
| 10/20/1981 | CA1111109A1 Method for identifying or marking panels and strips |
| 10/15/1981 | WO1981002951A1 Method and device for treatment,recording and observation of objects with the use of superradiant laser medium |
| 09/30/1981 | EP0036680A1 Method of marking a synthetic material surface |
| 09/15/1981 | US4289952 Process for controlling powder size with optical energy |
| 09/15/1981 | US4289378 Apparatus for adjusting the focal point of an operating laser beam focused by an objective |
| 09/15/1981 | US4288895 Bearings |
| 09/09/1981 | EP0035401A1 Heat treatment of steel work pieces |
| 09/09/1981 | EP0035336A2 Novel processes for preparing proline derivatives and analogous compounds |
| 09/08/1981 | US4288680 Apparatus for cutting mould notches for strip steel cutting tools |
| 09/08/1981 | US4288679 Method of microdrilling metal workpieces using a power laser |
| 09/08/1981 | US4288678 Apparatus for treating metal workpieces with laser radiation |
| 09/08/1981 | US4288528 Method of making an embossed pattern on an information bearing substrate |
| 09/08/1981 | US4288330 Support with rotary symmetric openings for filter aid, method and apparatus |
| 09/08/1981 | US4288143 Method of and apparatus for splicing optical fibers |
| 08/19/1981 | EP0033958A1 A laser knife |
| 08/18/1981 | US4284872 Method for thermal testing and compensation of integrated circuits |
| 08/12/1981 | EP0033430A1 Thermo-optical information-recording process and information carrier to carry out this process |
| 08/11/1981 | US4283259 Method for maskless chemical and electrochemical machining |
| 08/04/1981 | US4281896 Shared aperture separator for reciprocal path optical beams |
| 08/04/1981 | US4281670 Apparatus for increasing the permeability of wrapping material for rod-shaped smokers products |
| 07/21/1981 | CA1105560A1 Laser tunnelling device |
| 07/14/1981 | US4278867 System for chip joining by short wavelength radiation |
| 07/08/1981 | EP0022825A4 Method of treating a workpiece by directing a beam of radiation on to it. |
| 06/30/1981 | US4276463 Laser powered solid fuel disintegrator |
| 06/24/1981 | EP0030774A1 Method for manufacturing a die |
| 06/23/1981 | US4275288 Apparatus for machining material |
| 06/23/1981 | CA1103762A1 Method of connecting metallic parts by means of arc fusion welding |
| 06/17/1981 | EP0030267A1 Method of making contact with small electrically conducting wires |
| 06/10/1981 | EP0030210A1 Observation device for eye-treatment |
| 06/09/1981 | US4272004 Z-Bar guide apparatus |
| 06/09/1981 | US4271573 Quick-connect interconnection system |
| 06/02/1981 | US4271346 Welding apparatus capable of welding axially offset portions |
| 06/02/1981 | US4270845 Laser apparatus for operations |
| 05/26/1981 | US4269868 Electroless deposition of a protective coating by concurrently directing a laser beam onto the area of impingement of a gaseous stream of entrained particles; melting and fusion; consistant thickness |
| 05/12/1981 | US4267427 Method of boring a hole through a magnet made of an intermetallic compound |
| 05/12/1981 | US4267261 Method for full format imaging |
| 05/12/1981 | US4266549 Laser scalpel |
| 05/12/1981 | US4266548 Apparatus for and method of utilizing energy to excise pathological tissue |
| 05/12/1981 | US4266547 Laser knife |
| 05/05/1981 | US4266112 Web-cutting process |
| 05/05/1981 | US4265254 Apparatus for perforating cigarette paper or the like |
| 04/30/1981 | WO1981001116A1 Z-bar guide apparatus |
| 04/29/1981 | EP0027707A1 Method for preparing thin metal sheet for welding |
| 04/29/1981 | EP0027632A1 Endoscope |
| 04/28/1981 | US4264349 Drawing optical waveguides by heating with laser radiation |
| 04/21/1981 | US4263495 Method of splicing optical fibers by CO2 -laser |
| 04/21/1981 | CA1099618A1 Method of manufacturing a semiconductor device |
| 04/14/1981 | US4262186 Laser chem-milling method, apparatus and structure resulting therefrom |
| 04/14/1981 | US4261274 Deformation properties of the edge of a deep-drawn metal can |
| 04/07/1981 | US4260095 Method of manufacturing a clad product |
| 03/31/1981 | US4259563 Method for dynamically tuning a seismic transducer |
| 03/31/1981 | US4258468 Forming vias through multilayer circuit boards |
| 03/25/1981 | EP0025594A1 Axis-monitoring apparatus for a laser beam |
| 03/24/1981 | US4258246 Rotor balancing device utilizing a laser beam |
| 03/24/1981 | CA1098159A1 Method and apparatus for acoustically synchronizing drop formation in an ink jet array |
| 03/17/1981 | US4256948 Integral beaded stylus wire and method of making same |
| 03/17/1981 | CA1097553A1 Method and apparatus for perforating the envelopes of filter cigarettes or the like |
| 03/10/1981 | US4254916 Thin wall irrigation emitter tube |
| 02/17/1981 | US4251709 Process for joining metals |
| 02/10/1981 | US4250374 Process and apparatus for the surface heat treatment of steel products by a laser beam |
| 02/10/1981 | US4250372 Process and apparatus for the heat treatment by high energy beams of surfaces of steel products |
| 02/10/1981 | US4249545 Method and apparatus for perforating the envelopes of filter cigarettes or the like |
| 02/10/1981 | US4249533 Laser knife |
| 02/03/1981 | US4249060 Method for intraorally welding dental appliances |
| 02/03/1981 | US4248369 Laser cutting of ceramic tubing |
| 01/28/1981 | EP0022825A1 Method of treating a workpiece by directing a beam of radiation on to it. |
| 01/27/1981 | CA1094366A1 Rotary beam chopper and scanning system |
| 01/13/1981 | CA1093433A1 Surface alloying and heat treating processes |
| 01/07/1981 | EP0021165A1 Optical perforating apparatus and system |
| 01/07/1981 | EP0020749A1 Excising pathological tissue using a beam of radiation |
| 01/06/1981 | US4243867 Apparatus for fusibly bonding a coating material to a metal article |
| 12/30/1980 | US4242152 Method for adjusting the focus and power of a trimming laser |
| 12/23/1980 | US4240431 Laser knife |
| 12/16/1980 | US4239954 Backer for electron beam hole drilling |
| 12/16/1980 | US4239789 Exposing regions where plating is sought to an energy beam |
| 12/16/1980 | CA1091557A1 Method and apparatus for making an instantaneous thermochemical start |
| 12/09/1980 | CA1091140A1 Method and apparatus of bonding superposed sheets of polymeric material in a linear weld |
| 12/02/1980 | US4237364 Welding tool and method |
| 12/02/1980 | US4237363 Beam welding apparatus and method |
| 11/26/1980 | EP0019064A1 Chemical or electrochemical process for selectively removing material |
| 11/25/1980 | US4235647 Method for machining by thermal shock |
| 11/13/1980 | WO1980002393A1 Device for optically choping a laser beam |
| 11/12/1980 | EP0018499A1 Selective electroless plating process for the surfaces of a workpiece |
| 11/11/1980 | US4232678 Device for the local treatment of a patient, and more particularly applicable in acupuncture and auriculotheraphy |
| 11/04/1980 | US4231488 Container closure spout construction and method of forming same |
| 10/28/1980 | US4230993 Process for increasing the pulse repetition frequency in a laser |
| 10/28/1980 | US4230930 Laser welding method for electrical wire connection to a terminal pin of an exhaust gas sensor |
| 10/21/1980 | US4229640 Working pieces by laser beam |
| 10/21/1980 | US4229638 Unitized rotary rock bit |
| 10/21/1980 | US4229232 Method involving pulsed beam processing of metallic and dielectric materials |
| 10/14/1980 | US4228341 Mechanical control system particularly useful for directing a laser beam |