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Class Information
Number: 219/121.75
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Using laser > Shaping > With lens
Description: Subject matter wherein lenses are used to focus the coherent light beam.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
5281294 Manufacture of visual lenses Jan. 25, 1994
5279693 Welding thermoplastic material with a laser Jan. 18, 1994
5276303 Laser bonding scheme Jan. 4, 1994
5268553 Laser cigarette lighter Dec. 7, 1993
5256853 Method for shaping contact lens surfaces Oct. 26, 1993
5248877 Making an elongate cut using high energy radiation Sep. 28, 1993
5247883 Apparatus for making a printing plate and a printing plate thereof Sep. 28, 1993
5237149 Laser machining utilizing a spacial filter Aug. 17, 1993
5229573 Print quality laser marker apparatus Jul. 20, 1993
5227607 Yag laser working machine for precision working of thin-film Jul. 13, 1993
5225649 Device for transversely cutting lengths of a strip traveling continuously along a predetermined route Jul. 6, 1993
5223693 Optical machining apparatus Jun. 29, 1993
5221820 Laser cigarette lighter Jun. 22, 1993
5216543 Apparatus and method for patterning a film Jun. 1, 1993
5194711 Cutting using high energy radiation Mar. 16, 1993
5179262 Manufacture of ophthalmic lenses by excimer laser Jan. 12, 1993
5159169 Laser sputtering apparatus Oct. 27, 1992
5136136 Laser processing apparatus Aug. 4, 1992
5126532 Apparatus and method of boring using laser Jun. 30, 1992
5120926 Method and apparatus for high speed laser cutting Jun. 9, 1992
5109149 Laser, direct-write integrated circuit production system Apr. 28, 1992
5103074 Laser processing method and apparatus Apr. 7, 1992
5102409 Method and apparatus for modification of corneal refractive properties Apr. 7, 1992
5072091 Method and apparatus for metal surface process by laser beam Dec. 10, 1991
5068515 Apparatus for homogenizing the non-homogeneous light distribution of a laser beam Nov. 26, 1991
5068514 Laser polishing of lens surface Nov. 26, 1991
5061840 Manufacture of ophthalmic lenses by excimer laser Oct. 29, 1991
5061839 Laser beam machining apparatus Oct. 29, 1991
5057100 Laser head and microscope attachment assembly with swivel capability Oct. 15, 1991
5055653 Laser beam machining device Oct. 8, 1991
5051558 Laser material processing apparatus and method therefore Sep. 24, 1991
5029243 Device for working a workpiece using laser light Jul. 2, 1991
5017755 Method of repairing liquid crystal display and apparatus using the method May. 21, 1991
5008512 Method of laser bonding electrical members Apr. 16, 1991
4997250 Fiber output coupler with beam shaping optics for laser materials processing system Mar. 5, 1991
4990741 Method of laser welding Feb. 5, 1991
4978830 Laser trimming system for semiconductor integrated circuit chip packages Dec. 18, 1990
4973817 Method of and apparatus for assembling vehicle body Nov. 27, 1990
4973330 Surgical apparatus for modifying the curvature of the eye cornea Nov. 27, 1990
4970368 Laser scribing method Nov. 13, 1990
4970369 Electronic device manufacturing methods Nov. 13, 1990
4970366 Laser patterning apparatus and method Nov. 13, 1990
4959522 Transparent pressure foot Sep. 25, 1990
4950862 Laser machining apparatus using focusing lens-array Aug. 21, 1990
4945204 Method of laser-marking semiconductor devices Jul. 31, 1990
4945203 Method and apparatus for making fluorocarbon film plastic bags using a laser Jul. 31, 1990
4943700 Laser sawmill Jul. 24, 1990
4937424 Laser machining apparatus Jun. 26, 1990
4934799 Multi-lens focussing arrangement for laser graphics imaging apparatus Jun. 19, 1990
4911711 Sculpture apparatus for correcting curvature of the cornea Mar. 27, 1990

1 2 3 4 5 6 7










 
 
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