John E. Ravensbergen

City:

Tol Oxo

Country:

Canada

Published Applications:

Last publication date:

2012-05-03

Top Assignees for applications by John E. Ravensbergen

The entities that hold a legal rights for patent applications filed by inventor Ravensbergen John E.:

BAKER HUGHES INCORPORATED 1 Houston, TX United States

Recent patent applications by Ravensbergen John E.

John E. Ravensbergen from Tol Oxo, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2012-05-03

US20120103618A1

Fixed constructions

Valve for a sand slurry system

InventorID:

3154251 ⎘