Chugiak, Alaska
United States
4
2016-10-20
The entities that hold a legal rights for patent applications filed by inventor VENHAUS Dan E.:
Dan E. VENHAUS from Chugiak, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Permanent bypass whipstock assembly for drilling and completing a sidetrack well and preserving access to the original wellbore
#2 | 2013-05-23In-situ zonal isolation and treatment of wells
#3 | 2010-12-09Permanent bypass whipstock assembly for drilling and completing a sidetrack well and preserving access to the original wellbore
#4 | 2010-08-05In-situ zonal isolation for sand controlled wells
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