Rexroth-Sigma
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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,108,582 | Casing for gear pump or motor Term ended Term ended no later than Aug 22, 1998 · Low confidence | Term ended | Term ended no later than Aug 22, 1998 | Low confidence |
| US 4,184,512 | Fluid distributing devices, particularly for hydraulic remote control Term ended Term ended no later than Jan 22, 2000 · Low confidence | Term ended | Term ended no later than Jan 22, 2000 | Low confidence |
| US 4,520,845 | Hydraulic distributors Formerly held Term ended Term ended no later than Jun 4, 2005 · Low confidence | Term ended | Term ended no later than Jun 4, 2005 | Low confidence |
| US 4,566,492 | Fluid distributing device, more especially for remote control Term ended Term ended no later than Jan 28, 2006 · Low confidence | Term ended | Term ended no later than Jan 28, 2006 | Low confidence |
| US 4,570,671 | Fluid distributors Term ended Term ended no later than Feb 18, 2006 · Low confidence | Term ended | Term ended no later than Feb 18, 2006 | Low confidence |
| US 4,643,044 | Clamping 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 ended | Term ended no later than Feb 17, 2007 | Low confidence |
| US 4,782,859 | Pressurized hydraulic fluid spool valve Term ended Term ended no later than Nov 8, 2008 · Low confidence | Term ended | Term ended no later than Nov 8, 2008 | Low confidence |
| US 5,140,320 | Electric remote control device including pairs of sliding pushers Term ended Term ended no later than Aug 18, 2012 · Low confidence | Term ended | Term ended no later than Aug 18, 2012 | Low confidence |
| US 5,160,928 | System 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 ended | Term ended no later than Nov 3, 2012 | Low confidence |
| US 5,164,722 | Method 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 ended | Term ended no later than Nov 17, 2012 | Low confidence |