Narvik
Norway
5
2015-05-07
The entities that hold a legal rights for patent applications filed by inventor Pedersen Dag:
Dag Pedersen from Narvik, NO has applied for patents for these inventions. The list has both pending applications and granted patents:
Bridge plug tool
#2 | 2015-04-09Downhole fast-acting shut-in valve system
#3 | 2014-09-25EXPANDABLE PACKER
#4 | 2014-07-17Bridge plug tool
#5 | 2005-06-02Sealing element for pipes and methods for using
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