GLOBAL SURGICAL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 4201
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 196

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9244263 Microscope head with multiple coaxial mechanical controlsDec 03, 14Jan 26, 16[G02B]
8922884 Flexible objective lens assembly and microscopeOct 07, 10Dec 30, 14[G02B, A61B]
6257730 Drape for a surgical microscope with anti-halation windowNov 26, 99Jul 10, 01[G02B, G03B]
5790306 Microscope beamsplitterJan 28, 97Aug 04, 98[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D377335 Portable power supply unit with AC-DC converterExpiredJun 01, 95Jan 14, 97[]
5299053 Variable shutter illumination system for microscopeExpiredOct 26, 90Mar 29, 94[G02B, A61B]
5155509 Oblique illumination device for use with an ophthalmic microscopeExpiredOct 25, 90Oct 13, 92[A61B]
5052789 Multi-user microscope with orientation adjustment and methodExpiredJun 27, 90Oct 01, 91[G02B]
4938575 Microscope system and attachmentExpiredSep 30, 88Jul 03, 90[G02B]
4688907 System providing 3 identical optical paths and adapted for a microscopeExpiredJan 10, 86Aug 25, 87[G02B]
4668057 Counter-balancing microscope assemblyExpiredMay 28, 85May 26, 87[G02B]
D263434 Patient chairExpiredJan 15, 80Mar 23, 82[D060]
4274070 Proximity instant-on switch for medical and dental instrumentsExpiredAug 14, 79Jun 16, 81[H01H]
4267490 Binary switching control circuit for an electrically adjustable patient chairExpiredAug 14, 79May 12, 81[H02P]
4227131 Automatic return for patient chairExpiredMar 19, 79Oct 07, 80[H02P]

Top Inventors for This Owner

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