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Browse by Category: Main > Electrical & Energy
Class Information
Number: 219/121.72
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Using laser > Cutting > Methods
Description: Subject matter including the process of severing a workpiece.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8701794 High power laser perforating tools and systems Apr. 22, 2014
8704126 Laser beam machining apparatus Apr. 22, 2014
8679948 Method and apparatus for laser singulation of brittle materials Mar. 25, 2014
8680430 Controlling dynamic and thermal loads on laser beam positioning system to achieve high-throughput laser processing of workpiece features Mar. 25, 2014
8674260 Method for production of safety/rupture discs Mar. 18, 2014
8669487 Device for the laser transmission welding of components over a ring-shaped contact zone Mar. 11, 2014
8662160 Systems and conveyance structures for high power long distance laser transmission Mar. 4, 2014
8658938 Method of cutting with a laser Feb. 25, 2014
8651204 Metal-free supported polycrystalline diamond and method to form Feb. 18, 2014
8653411 Optimized machining of a contour using a pulsed tool Feb. 18, 2014
8635887 Methods for separating glass substrate sheets by laser-formed grooves Jan. 28, 2014
8624153 Laser processing method and device Jan. 7, 2014
8624157 Ultrashort laser pulse wafer scribing Jan. 7, 2014
8616024 Methods for forming grooves and separating strengthened glass substrate sheets Dec. 31, 2013
8610030 Laser beam processing machine Dec. 17, 2013
8607590 Methods for separating glass articles from strengthened glass substrate sheets Dec. 17, 2013
8610029 Systems and methods for using a portion of a housing in a button assembly Dec. 17, 2013
8604380 Method and apparatus for optimally laser marking articles Dec. 10, 2013
8598489 Compact laser etching device, system and method Dec. 3, 2013
8592716 Methods and apparatus for initiating scoring Nov. 26, 2013
8592717 Method of dividing a workpiece having an uneven surface Nov. 26, 2013
8581865 Touch panel, display device with the same, and method for manufacturing the display device Nov. 12, 2013
8579995 Method for forming a thin-film lithium-ion battery Nov. 12, 2013
8575514 Light irradiation device and light irradiation method irradiating converged light with an object Nov. 5, 2013
8569650 Laser material removal methods and apparatus Oct. 29, 2013
8562849 Methods and apparatus for edge chamfering of semiconductor wafers using chemical mechanical polishing Oct. 22, 2013
8563895 Method and device for processing a movable substrate by means of laser Oct. 22, 2013
8546724 Apparatus and method for controlling laser cutting through surface plasma monitoring Oct. 1, 2013
8541287 Laser processing method for wafer Sep. 24, 2013
8536486 Method of dividing workpiece using laser beam Sep. 17, 2013
8525076 Method and device for machining a workpiece Sep. 3, 2013
8525074 Machining method and machining system for micromachining a part in a machine component Sep. 3, 2013
8522900 High toughness thermally stable polycrystalline diamond Sep. 3, 2013
8527084 Method for cutting a material layer by means of a cutting beam Sep. 3, 2013
8519299 Laser processing machines and methods of processing workpieces Aug. 27, 2013
8519301 Book trimmer with laser scorer Aug. 27, 2013
8511401 Method and apparatus for delivering high power laser energy over long distances Aug. 20, 2013
8513567 Laser processing method for forming a modified region for cutting in an object Aug. 20, 2013
8502113 Apparatus and method for material processing using a transparent contact element Aug. 6, 2013
8502112 System and method for cutting using a variable astigmatic focal beam spot 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
8492677 Process for laser cutting a metal plate Jul. 23, 2013
8487207 Apparatus and method for cutting hollow cylindrical workpiece Jul. 16, 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
8466387 Laser processing method Jun. 18, 2013
8462331 Laser processing method and laser processing apparatus Jun. 11, 2013
8450641 Laser machining systems and methods with moving laser scanning stage(s) providing force cancellation May. 28, 2013

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