Devtex
Records under this name other than patents Devtex holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 10 of 10 · Back to Devtex
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,481,759 | Process and device for making spun yarns comprising a core Term ended Term ended no later than Nov 13, 2004 · Low confidence | Term ended | Term ended no later than Nov 13, 2004 | Low confidence |
| US 4,488,397 | Device for stretching, condensing and transporting a rove of fibers during a spinning operation Formerly held Term ended Term ended no later than Dec 18, 2004 · Low confidence | Term ended | Term ended no later than Dec 18, 2004 | Low confidence |
| US 4,489,540 | Process and device for obtaining a spun yarn of fibres comprising an internal core and novel types of spun yarns thus made Term ended Term ended no later than Dec 25, 2004 · Low confidence | Term ended | Term ended no later than Dec 25, 2004 | Low confidence |
| US 4,584,830 | Method for producing a fiber-spun yarn Term ended Term ended no later than Apr 29, 2006 · Low confidence | Term ended | Term ended no later than Apr 29, 2006 | Low confidence |
| US 4,587,802 | Process for piecing core spun yarns Term ended Term ended no later than May 13, 2006 · Low confidence | Term ended | Term ended no later than May 13, 2006 | Low confidence |
| US 4,757,680 | Spinning installation for making core spun yarns Term ended Term ended no later than Jul 19, 2008 · Low confidence | Term ended | Term ended no later than Jul 19, 2008 | Low confidence |
| US 4,878,268 | Device for drawing roves or slivers of fibers on a spinning machine Term ended Term ended no later than Nov 7, 2009 · Low confidence | Term ended | Term ended no later than Nov 7, 2009 | Low confidence |
| US 4,883,397 | U-shaped fastening clip device with resilient tongue member Formerly held Term ended Term ended no later than Nov 28, 2009 · Low confidence | Term ended | Term ended no later than Nov 28, 2009 | Low confidence |
| US 4,910,953 | Device for communicating a false twist by friction to at least one moving yarn Term ended Term ended no later than Mar 27, 2010 · Low confidence | Term ended | Term ended no later than Mar 27, 2010 | Low confidence |
| US 5,111,648 | Apparatus for initiating the feed of yarn in a yarn processing machine Term ended Term ended no later than May 12, 2012 · Low confidence | Term ended | Term ended no later than May 12, 2012 | Low confidence |