H-SQUARE CORPORATION, 1289-H REAMWOOD AVE., SUNNYVALE, CA. 94089, A CORP. OF CA.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 229
 
  
 
B25J MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES 157
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
H05F STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY 111

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5551829 Notch finder having a flexible alignment rodOct 11, 95Sep 03, 96[B65G]
5511840 Static dissipative coupling of an article-pickup tip to a wandFeb 16, 94Apr 30, 96[H05F, B25J]
5217273 Serial pumping for portable handling tool of electronic workpiecesMay 14, 92Jun 08, 93[B66C]
5169192 Electronic article pickup toolJun 28, 91Dec 08, 92[B66C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6244812 Low profile automated pod door removal systemExpiredJul 08, 99Jun 12, 01[H01L]
6216421 Device for seating and unseating a lid from a carrying cassetteExpiredJul 01, 99Apr 17, 01[B65B]
6095335 Wafer support device having a retrofit to provide size convertibilityExpiredJul 10, 98Aug 01, 00[B65D]
6053694 Rotatable wafer handler with retractable stopsExpiredJun 26, 98Apr 25, 00[B65G]
5662452 Apparatus and method of aligning notches using a free-floating rodExpiredAug 26, 96Sep 02, 97[B65G]
5118153 Hand-operated reciprocating bellows for electronic component pickupExpiredMar 06, 91Jun 02, 92[B66C]
4936503 Unitary wand tip and manufacturing methodExpiredMay 22, 89Jun 26, 90[B23K]

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