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Petroleum Technology Company As patents

Recent patent applications related to Petroleum Technology Company As. Petroleum Technology Company As is listed as an Agent/Assignee. Note: Petroleum Technology Company As may have other listings under different names/spellings. We're not affiliated with Petroleum Technology Company As, we're just tracking patents.

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Date Petroleum Technology Company As patents (updated weekly) - BOOKMARK this page
02/16/17Wellhead port plug assembly
11/19/15Valve arrangement and operating the same
08/07/14Plug sensor with ceramic element
08/07/14Methods for installing and retrieving a well monitoring apparatus
05/15/14Shear valve
11/07/13Valve device
08/15/13Valve device for a side pocket or sub in a well
05/30/13Fluid injection device
01/31/13Kick over tool
01/31/13Plug sensor
12/06/12Tool for installing units in a well
12/06/12Valve system
05/24/12Bellows valve
03/24/11Bellows valve
02/24/11Device for injection and stimulation of fluids in a well bore
02/24/11Subsurface discrete interval system with verifiable interval isolation
11/18/10Shear open valve
08/26/10Stealth orifice
06/24/10Bellows valve
03/11/10Power lift generator
03/12/09Fluid injection device

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Petroleum Technology Company As in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Petroleum Technology Company As with additional patents listed. Browse our Agent directory for other possible listings. Page by