VSI Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 544
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
A44B BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE 130
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING143
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5456145 Installation tool for tangless helically coiled insertFeb 16, 93Oct 10, 95[B23P]
5414594 Self-adjusting insertion/extraction apparatus for printed circuit boardsDec 14, 93May 09, 95[H01R, H05K]
5366330 Fastener head with internal recess having a radial slot configuration and installation tool thereforJul 26, 93Nov 22, 94[F16B]
5362111 Anti-rotation locking device for preventing separation of coupling nuts from fluid linesSep 24, 93Nov 08, 94[F16L]
5228817 Lightweight lockbolt fastener systemSep 23, 92Jul 20, 93[F16B]
5209620 Fastener with differentially inclined axesAug 28, 91May 11, 93[F16B, B21D]
5165311 Pneumatic nut installation toolJun 17, 91Nov 24, 92[B25B]
5137406 Shear-transfer fastener assemblyAug 07, 91Aug 11, 92[F16B]
5119665 Installation tool for captive panel fastenerJan 31, 91Jun 09, 92[B21D]
RE30801 Detachable quarter-turn blind hole fastenerAug 30, 79Nov 24, 81[F16B, A44B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5452979 Fastener assemblyExpiredApr 11, 94Sep 26, 95[F16B]
5438891 Collet type fastener removal toolExpiredJul 05, 94Aug 08, 95[B25B]
5336028 Captive screw assemblyExpiredApr 13, 93Aug 09, 94[F16B]
5269566 Hydraulic fitting locksExpiredOct 31, 89Dec 14, 93[F16L]
5257557 Driven tool locking mechanismExpiredMar 26, 92Nov 02, 93[B25B]
5256017 Composite blind rivet assemblyExpiredDec 06, 90Oct 26, 93[F16B]
5199332 Hand wrenching toolExpiredAug 03, 88Apr 06, 93[B25B]
5094491 Hydraulic fitting nut lockExpiredSep 28, 90Mar 10, 92[F16L]
5092723 Engine clip boltExpiredOct 02, 90Mar 03, 92[F16B]
5092726 Self-locking fastener, fastener system, and processExpiredJul 21, 89Mar 03, 92[F16B]
5090840 Printed circuit board mounting apparatusExpiredOct 09, 90Feb 25, 92[B25G]
5082406 Self locking panel fastener with device for visually indicating whether fastener is lockedExpiredJun 29, 90Jan 21, 92[F16B]
5076747 Panel fastener having internal threads and having maximum retaining ring retention capabilityExpiredOct 09, 90Dec 31, 91[F16B]
5061132 Self-locking fastenerExpiredSep 27, 90Oct 29, 91[F16B]
5056208 Method for providing captive panel fastener assemblyExpiredMar 19, 90Oct 15, 91[B23P, B21D]
5044225 Pneumatic nut installation toolExpiredJun 21, 90Sep 03, 91[B25B]
5039265 Lightweight fastenerExpiredFeb 28, 90Aug 13, 91[B21K, F16B, B21D]
5033924 Lock nut having a deformablel threaded boreExpiredDec 12, 89Jul 23, 91[F16B]
5011355 Push button type fastener releasable by rotationExpiredOct 06, 89Apr 30, 91[F16B]
5002418 Hold down device with extended capture pawl mechanismExpiredDec 09, 88Mar 26, 91[F16B, F16D]

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