Spring, Texas
United States
4
2022-04-28
The entities that hold a legal rights for patent applications filed by inventor Saetre Tor Sigve:
Tor Sigve Saetre from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Differential fill valve with collet sleeve
#2 | 2022-02-17DIFFERENTIAL FILL VALVE SLEEVE BALL ASSEMBLY
#3 | 2021-10-14Dual sub-surface release plug with bypass for small diameter liners
#4 | 2020-12-03DOWNHOLE TOOL FOR CEMENTING A BOREHOLE
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