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Rexroth-Sigma

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Records under this name other than patents Rexroth-Sigma holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 4,108,582Casing for gear pump or motor
Term ended
Term ended no later than Aug 22, 1998 · Low confidence
Term endedTerm ended no later than Aug 22, 1998Low confidence
US 4,184,512Fluid distributing devices, particularly for hydraulic remote control
Term ended
Term ended no later than Jan 22, 2000 · Low confidence
Term endedTerm ended no later than Jan 22, 2000Low confidence
US 4,520,845Hydraulic distributors
Formerly held
Term ended
Term ended no later than Jun 4, 2005 · Low confidence
Term endedTerm ended no later than Jun 4, 2005Low confidence
US 4,566,492Fluid distributing device, more especially for remote control
Term ended
Term ended no later than Jan 28, 2006 · Low confidence
Term endedTerm ended no later than Jan 28, 2006Low confidence
US 4,570,671Fluid distributors
Term ended
Term ended no later than Feb 18, 2006 · Low confidence
Term endedTerm ended no later than Feb 18, 2006Low confidence
US 4,643,044Clamping of machine casings formed from at least two parts one of which is made from a metal of relatively low hardness
Term ended
Term ended no later than Feb 17, 2007 · Low confidence
Term endedTerm ended no later than Feb 17, 2007Low confidence
US 4,782,859Pressurized hydraulic fluid spool valve
Term ended
Term ended no later than Nov 8, 2008 · Low confidence
Term endedTerm ended no later than Nov 8, 2008Low confidence
US 5,140,320Electric remote control device including pairs of sliding pushers
Term ended
Term ended no later than Aug 18, 2012 · Low confidence
Term endedTerm ended no later than Aug 18, 2012Low confidence
US 5,160,928System for regulating the mean current flowing through the load of an electric remote control device
Term ended
Term ended no later than Nov 3, 2012 · Low confidence
Term endedTerm ended no later than Nov 3, 2012Low confidence
US 5,164,722Method of calibrating an electric remote control device of the manipulator type, and device adapted for implementing this method
Term ended
Term ended no later than Nov 17, 2012 · Low confidence
Term endedTerm ended no later than Nov 17, 2012Low confidence
10 of 15 patents shown.
Pro members see all 15.
Pro members: see all 15 patents
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