James G. Martens

City:

Spring, Texas

Country:

United States

Published Applications:

Last publication date:

2011-12-01

Top Assignees for applications by James G. Martens

The entities that hold a legal rights for patent applications filed by inventor Martens James G.:

James G. Martens from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Large bore auto-fill float equipment

Smart cementing systems

Retractable joint and cementing shoe for use in completing a wellbore

Surge reduction bypass valve

InventorID:

3483921 ⎘