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Naf AB

Also on record
Records under this name other than patents Naf AB holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 7 of 7 · Back to Naf AB

PatentTitleStatus Expires Confidence
US 9,746,100Pneumatically drivable valve actuator and method of locking a valve closure element relative to a valve body
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 6,520,209Device in a valve
Formerly held
Term ended
Term ended Nov 30, 2021 · From the USPTO record
Term endedTerm ended Nov 30, 2021From the USPTO record
US 4,317,573Valve spindle sealing arrangement
Term ended
Term ended no later than Mar 2, 2002 · Low confidence
Term endedTerm ended no later than Mar 2, 2002Low confidence
US 4,367,766Slide valve
Term ended
Term ended no later than Jan 11, 2003 · Low confidence
Term endedTerm ended no later than Jan 11, 2003Low confidence
US 4,500,092Valve cover sealing arrangement
Term ended
Term ended no later than Feb 19, 2005 · Low confidence
Term endedTerm ended no later than Feb 19, 2005Low confidence
US 4,509,719Valve cover sealing
Term ended
Term ended no later than Apr 9, 2005 · Low confidence
Term endedTerm ended no later than Apr 9, 2005Low confidence
US 5,755,427Self adjusting ball valve assembly
Term ended
Term ended no later than May 26, 2018 · Low confidence
Term endedTerm ended no later than May 26, 2018Low confidence
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