Patent Assignment
Reel/Frame 056972/0363
Assignment of Assignor's Interest
Recorded: 2021-07-26
Pages: 6
Assignors
CHAI, JUNQING
Executed: 2021-07-16
LYU, YAN
Executed: 2021-07-16
LIANG, LIANGLIANG
Executed: 2021-07-16
TANG, AIMIN
Executed: 2021-07-16
WU, ZHENGHUA
Executed: 2021-07-16
Assignee
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD.
SOUTH SECTION OF ZHONGSHAN AVENUE, GUANGHAN, CHINA
Covered Property
(1)
Methods for Tripping a Drilling Rig or a Workover Rig