Assignment of Assignor's Interest

Recorded: 2015-11-10 Pages: 4

Assignors

ZHANG, KEWEI

Executed: 2015-10-28

HEIDLAS, JULIUS XAVER

Executed: 2015-10-28

WANG, CHUANZHONG

Executed: 2015-10-28

LU, WEIBING

Executed: 2015-10-28

Assignee

TRICAN WELL SERVICE LTD.

SUITE #2900, 645-7TH AVENUE SW, CALGARY, T2P 4G8, CANADA

Covered Property (1)

Aqueous Slurry for Particulates Transportation

Application: 14/801,619 →

Publication: US 2016/0017213

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.