VA, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 1483

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8783978 Shutter having magnet-driven drive ringOct 01, 13Jul 22, 14[G03B]
8727645 Shutter assembly with drive ring-mounted magnetNov 19, 12May 20, 14[G03B]
8651754 Electromagnetic shutterJun 15, 12Feb 18, 14[H04N, G03B]
8439581 Shutter assemblyFeb 10, 12May 14, 13[G03B]
8333521 Shutter assembly with rotating magnetApr 01, 10Dec 18, 12[G03B, G02F]
8322935 Shutter activation systemJan 26, 09Dec 04, 12[G03B]
8317417 Shutter damping assemblyFeb 24, 10Nov 27, 12[G03B]
8313255 Shutter assembly with drive ring-mounted magnetJan 26, 09Nov 20, 12[G03B]
8128296 Shutter assemblyJan 26, 09Mar 06, 12[G03B]
7883280 Shutter activation systemMar 12, 08Feb 08, 11[G03B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7367721 Bi-stable mechanical photographic shutterExpiredApr 06, 05May 06, 08[G03B]
7334950 Quick-change shutter assemblyExpiredApr 26, 05Feb 26, 08[G03B]
2008/0013,149 QUICK-CHANGE SHUTTER ASSEMBLYAbandonedSep 24, 07Jan 17, 08[G02B]
4884160 Constant current actuator for inductive loadExpiredMar 10, 89Nov 28, 89[H01H]
4697221 Portable actuator for inductive loadExpiredSep 29, 86Sep 29, 87[H01H]
4513345 Control circuit for inductive loadExpiredSep 02, 83Apr 23, 85[H01H]
4369394 Timer circuit for a stroboscopeExpiredDec 29, 80Jan 18, 83[H05B]

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