Henry X. He

City:

Edmonton

Country:

Canada

Published Applications:

Last publication date:

2014-05-01

Top Assignees for applications by Henry X. He

The entities that hold a legal rights for patent applications filed by inventor He Henry X.:

Henry X. He from Edmonton, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

High Temperature Back Pressure Valve

Method and apparatus for launching multiple balls in a well

Backup safety flow control system for concentric drill string

Backup safety flow control system for concentric drill string

Wellhead isolation sleeve assembly

InventorID:

73711 ⎘