Westpowderly

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

Showing 1 to 9 of 9 · Back to Westpowderly

Patent	Title	Status	Expires	Confidence
US 4,711,143	Rock bit assembly method Term ended Term ended no later than Dec 8, 2007 · Low confidence	Term ended	Term ended no later than Dec 8, 2007	Low confidence
US 4,770,068	Apparatus for assembling rock bits Term ended Term ended no later than Sep 13, 2008 · Low confidence	Term ended	Term ended no later than Sep 13, 2008	Low confidence
US 4,942,930	Lubrication system for an earth boring drill bit and methods for filling and retrofit installing thereof Formerly held Term ended Term ended no later than Jul 24, 2010 · Low confidence	Term ended	Term ended no later than Jul 24, 2010	Low confidence
US 5,099,932	Rock drill bit lubricant circulating system Term ended Term ended no later than Mar 31, 2012 · Low confidence	Term ended	Term ended no later than Mar 31, 2012	Low confidence
US 5,189,932	Rock bit manufacturing method Term ended Term ended no later than Mar 2, 2013 · Low confidence	Term ended	Term ended no later than Mar 2, 2013	Low confidence
US 5,201,795	Rock bit manufacturing method Term ended Term ended no later than Apr 13, 2013 · Low confidence	Term ended	Term ended no later than Apr 13, 2013	Low confidence
US 5,452,770	Rock bit and improved forging method for manufacturing thereof Term ended Term ended no later than Sep 26, 2015 · Low confidence	Term ended	Term ended no later than Sep 26, 2015	Low confidence
US 5,490,570	Earth boring bit and lubricator/compensator therefor Term ended Term ended no later than Feb 13, 2016 · Low confidence	Term ended	Term ended no later than Feb 13, 2016	Low confidence
US 5,558,172	Earth boring bit and lubricator compensation therefor Term ended Term ended no later than Sep 24, 2016 · Low confidence	Term ended	Term ended no later than Sep 24, 2016	Low confidence