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Class Information
Number: 219/121.67
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Using laser > Cutting
Description: Subject matter wherein the workpiece is severed by a coherent light beam.










Sub-classes under this class:

Class Number Class Name Patents
219/121.68 Etching or trimming 971
219/121.7 Hole punching 436
219/121.72 Methods 596


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
8710400 Method for cutting C--Mn steel with a fiber laser Apr. 29, 2014
8704125 Laser processing machine having expanded work space Apr. 22, 2014
8704126 Laser beam machining apparatus Apr. 22, 2014
8704129 Positioning device Apr. 22, 2014
8679948 Method and apparatus for laser singulation of brittle materials Mar. 25, 2014
8653406 Laser operating process and laser device Feb. 18, 2014
8642920 Wafer dividing apparatus and laser processing apparatus Feb. 4, 2014
8642919 Laser processing nozzle Feb. 4, 2014
8635887 Methods for separating glass substrate sheets by laser-formed grooves Jan. 28, 2014
8633420 Laser machining systems and methods with debris extraction Jan. 21, 2014
8624153 Laser processing method and device Jan. 7, 2014
8610028 Laser processing device Dec. 17, 2013
8607590 Methods for separating glass articles from strengthened glass substrate sheets Dec. 17, 2013
8610030 Laser beam processing machine Dec. 17, 2013
8598488 Method and apparatus for adjusting radiation spot size Dec. 3, 2013
8593722 Systems and methods for providing temperature stability of acousto-optic beam deflectors and acousto-optic modulators during use Nov. 26, 2013
8584490 Laser cutting method Nov. 19, 2013
8583271 Controlling cutting of continuously fabricated composite parts with nondestructive evaluation Nov. 12, 2013
8581865 Touch panel, display device with the same, and method for manufacturing the display device Nov. 12, 2013
8581141 Laser machining apparatus using laser beam introduced into jet liquid column Nov. 12, 2013
8581140 Laser processing apparatus, laser processing head and laser processing method Nov. 12, 2013
8575514 Light irradiation device and light irradiation method irradiating converged light with an object Nov. 5, 2013
8569648 Apparatus and system for improving depth of focus Oct. 29, 2013
8569649 Optical device and laser beam machining apparatus having optical device Oct. 29, 2013
8569650 Laser material removal methods and apparatus Oct. 29, 2013
8563895 Method and device for processing a movable substrate by means of laser Oct. 22, 2013
8563894 Combined machine for punching and laser cutting of flat sheet metal Oct. 22, 2013
8558135 Method for monitoring the quality of laser-machining processes and corresponding system Oct. 15, 2013
8553735 Device and method for material processing by means of laser radiation Oct. 8, 2013
8546724 Apparatus and method for controlling laser cutting through surface plasma monitoring Oct. 1, 2013
8530783 Laser cutting system Sep. 10, 2013
8525076 Method and device for machining a workpiece Sep. 3, 2013
8525073 Depth and breakthrough detection for laser machining Sep. 3, 2013
8525074 Machining method and machining system for micromachining a part in a machine component Sep. 3, 2013
8527084 Method for cutting a material layer by means of a cutting beam Sep. 3, 2013
8519301 Book trimmer with laser scorer Aug. 27, 2013
8519298 Split laser scribe Aug. 27, 2013
8518280 Brittle non-metallic workpiece with through hole and method for making same Aug. 27, 2013
8507827 Method for the production of metal profiles Aug. 13, 2013
8502111 Laser woodworking machine Aug. 6, 2013
8497450 On-the fly laser beam path dithering for enhancing throughput Jul. 30, 2013
8490268 Method for laser cutting of unfinished metal sheets and laser cutting machine for carrying out the method Jul. 23, 2013
8492676 Laser dicing device Jul. 23, 2013
8487207 Apparatus and method for cutting hollow cylindrical workpiece Jul. 16, 2013
8482713 Laser processing of display components for electronic devices Jul. 9, 2013
8476551 Laser cutting apparatus Jul. 2, 2013
8476552 Laser systems and methods using triangular-shaped tailored laser pulses for selected target classes Jul. 2, 2013
8476553 Method of dividing workpiece Jul. 2, 2013
8471176 Laser machine for examination, planning and marking raw diamond Jun. 25, 2013
8471175 Laser blanking from coil strip profile conveyor system Jun. 25, 2013

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