IP Library › Assignment 033080/0777
Patent Assignment
Reel/Frame 033080/0777

Assignment of Assignor's Interest

Recorded: 2014-06-11 Pages: 2
Assignor
XU, LIYU
Executed: 2014-06-09
Assignee
HUNT ADVANCED DRILLING TECHNOLOGIES, L.L.C.
1900 AKARD STREET, DALLAS, TEXAS, 75201
Covered Property (1)
System and Method for Spread Spectrum Based Drill Pipe Communications
Patent: 9,453,409 →
Application: 14/300,671 →
Publication: US 2015/0159482
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 17, 2016
From: MOTIVE DRILLING TECHNOLOGIES, INC.
To: HUNT ENERGY ENTERPRISES, L.L.C.
Reel/Frame 038018/0411 →
Change of Name Mar 30, 2016
From: HUNT ADVANCED DRILLING TECHNOLOGIES, L.L.C.
To: MOTIVE DRILLING TECHNOLOGIES, INC.
Reel/Frame 038300/0839 →
Assignment of Assignor's Interest May 10, 2019
From: HUNT ENERGY ENTERPRISES, LLC
To: HELMERICH & PAYNE TECHNOLOGIES, LLC
Reel/Frame 049144/0916 →