Sandnes
Norway
13
2014-10-02
The entities that hold a legal rights for patent applications filed by inventor Stokka Øyvind:
Øyvind Stokka from Sandnes, NO has applied for patents for these inventions. The list has both pending applications and granted patents:
Valve system
#2 | 2013-11-07Valve device of a wellhead Christmas tree assembly
#3 | 2013-08-15Valve device for a side pocket or sub in a well
#4 | 2013-06-06Actuator device
#5 | 2013-05-30Fluid injection device
#6 | 2013-04-18Device and method of enhancing production of hydrocarbons
#7 | 2012-12-06Valve system
#8 | 2011-03-24Bellows valve
#9 | 2011-02-24Device for injection and stimulation of fluids in a well bore
#10 | 2010-11-18Shear open valve
#11 | 2009-03-12Fluid injection device
#12 | 2009-01-29Fluid injection device
#13 | 2008-10-09Separating device
196364 ⎘