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Browse by Category: Main > Electrical & Energy
Class Information
Number: 219/121.71
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Using laser > Cutting > Hole punching > Methods
Description: Subject matter including the processes of perforating a workpiece.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8710402 Method of and apparatus for laser drilling holes with improved taper Apr. 29, 2014
8704126 Laser beam machining apparatus Apr. 22, 2014
8704127 Method of forming a through hole by laser drilling Apr. 22, 2014
8704128 Method for producing a hole Apr. 22, 2014
8695217 Hole producing system Apr. 15, 2014
8686313 System and methods for forming apertures in microfeature workpieces Apr. 1, 2014
8674260 Method for production of safety/rupture discs Mar. 18, 2014
8674259 Manufacturing system for producing reverse-tapered orifice Mar. 18, 2014
8664563 Purging and debris removal from holes Mar. 4, 2014
8653410 Method of forming substrate for fluid ejection device Feb. 18, 2014
8653411 Optimized machining of a contour using a pulsed tool Feb. 18, 2014
8632713 Composite of metal and resin and manufacturing method thereof Jan. 21, 2014
8624153 Laser processing method and device Jan. 7, 2014
8624151 Laser drilling methods of shallow-angled holes Jan. 7, 2014
8624156 Manufacturing method of laser processed parts and protective sheet for laser processing Jan. 7, 2014
8618438 Apparatus and method to machine holes Dec. 31, 2013
8618439 Method for producing a hole Dec. 31, 2013
8603590 Polymer layer comprising silicone and at least one metal trace and a process of manufacturing the same Dec. 10, 2013
8581143 X-ray microscopy for characterizing hole shape and dimensions in surgical needles Nov. 12, 2013
8546723 Forming holes using laser energy Oct. 1, 2013
8536485 Systems and methods for forming apertures in microfeature workpieces Sep. 17, 2013
8536486 Method of dividing workpiece using laser beam Sep. 17, 2013
8530781 Processing apparatus Sep. 10, 2013
8506364 Abrasive article having a line of weakness Aug. 13, 2013
8497450 On-the fly laser beam path dithering for enhancing throughput Jul. 30, 2013
8491983 Glass substrate for semiconductor device component and process for producing glass substrate for semiconductor device component Jul. 23, 2013
8481887 Method for machining tapered micro holes Jul. 9, 2013
8450640 Panel with micro-hole pattern in a structurally thin portion May. 28, 2013
8440933 Systems and methods for enhanced control of laser drilling processes May. 14, 2013
8431173 Processed tomatoes, dry tomatoes and method of producing the same Apr. 30, 2013
8414264 Method for producing a gas turbine component which is to be coated, with exposed holes, device for carrying out the method, and coatable turbine blade with film cooling holes Apr. 9, 2013
8405000 Method for producing a series of through holes in a layer of material by means of a laser beam Mar. 26, 2013
8399801 Method of manufacturing printed circuit board Mar. 19, 2013
8395083 Multiple beam drilling system Mar. 12, 2013
8394301 Process for forming panel with an optically transmissive portion and products related thereto Mar. 12, 2013
8389892 X-ray microscopy for characterizing hole shape and dimensions in surgical needles Mar. 5, 2013
8362392 Method for drilling holes according to an optimized sequence Jan. 29, 2013
8338745 Apparatus and methods for drilling holes with no taper or reverse taper Dec. 25, 2012
8329600 Method and system for high-speed precise laser trimming and scan lens for use therein Dec. 11, 2012
8319147 Laser machining method and laser machining apparatus Nov. 27, 2012
8288682 Forming micro-vias using a two stage laser drilling process Oct. 16, 2012
8268182 Product having through-hole and laser processing method Sep. 18, 2012
8257603 Laser patterning of glass bodies Sep. 4, 2012
8258429 Laser working apparatus, and laser working method Sep. 4, 2012
8242408 Masking device for laser machining system and method Aug. 14, 2012
8237083 Method for boring bottle-like holes having a defined geometry by means of pulsed laser radiation Aug. 7, 2012
8237084 Laser microperforated fresh produce trays for modified/controlled atmosphere packaging Aug. 7, 2012
8237082 Method for producing a hole Aug. 7, 2012
8237081 Manufacturing system having delivery media and GRIN lens Aug. 7, 2012
8237080 Method and apparatus for laser drilling holes with Gaussian pulses Aug. 7, 2012

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