Assignee
VA INC
US·12 granted patents·1 pending application·76 citations·filing 1983–2013
Top patents by PatentIndex Score
13 records- 0186US7883280B2Shutter activation systemVA INC·Filed 2008·Granted Feb 8, 2011·9 cites·45 claims
- 0286US6652165B1Damping system for mechanical shutterVA INC·Filed 2002·Granted Nov 25, 2003·29 cites·14 claims
- 0379US7845865B2Non contact shutter activation system and methodVA INC·Filed 2009·Granted Dec 7, 2010·5 cites·37 claims
- 0474US7513702B2Non-contact shutter activation system and methodVA INC·Filed 2005·Granted Apr 7, 2009·4 cites·44 claims
- 0569US7334950B2Quick-change shutter assemblyVA INC·Filed 2005·Granted Feb 26, 2008·3 cites·10 claims
- 0668US7367721B2Bi-stable mechanical photographic shutterVA INC·Filed 2005·Granted May 6, 2008·3 cites·19 claims
- 0758US8783978B2Shutter having magnet-driven drive ringVA INC·Filed 2013·Granted Jul 22, 2014·0 cites·11 claims
- 0856US8727645B2Shutter assembly with drive ring-mounted magnetVA INC·Filed 2012·Granted May 20, 2014·0 cites·28 claims
- 0955US4697221APortable actuator for inductive loadVA INC·Filed 1986·Granted Sep 29, 1987·10 cites·3 claims
- 1050US4884160AConstant current actuator for inductive loadVA INC·Filed 1989·Granted Nov 28, 1989·8 cites·2 claims
- 1149US7614806B2Damping system for mechanical shutterVA INC·Filed 2003·Granted Nov 10, 2009·2 cites·22 claims
- 1249US2008013149A1Quick-change shutter assemblyVA INC·Filed 2007·Application pending·0 cites
- 1336US4513345AControl circuit for inductive loadVA INC·Filed 1983·Granted Apr 23, 1985·3 cites·4 claims
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