IP Library › Assignment 064391/0591
Patent Assignment
Reel/Frame 064391/0591

Assignment of Assignor's Interest

Recorded: 2023-07-26 Pages: 5
Assignor
CHENG, PENG
Executed: 2023-07-24
Assignees
CNPC USA CORPORATION
2901 WILCREST DRIVE, SUITE 600, HOUSTON, TEXAS, 77042
BEIJING HUAMEI, INC.
NO. 23 TAIYANGGONG SOUTH ST. CHAO YANG DISTRICT, BEIJING, 102200, CHINA
CHINA NATIONAL PETROLEUM CORPORATION
NO. 9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT, BEIJING, 100007, CHINA
Covered Property (1)
Formulation and Setup Method of in-Situ Dissolvable Plug
Application: 18/359,432 →
Publication: US 2025/0043169
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 26, 2023
From: ZHAO, LEI; REN, JIAXIANG; YUE, JIANPENG
To: CNPC USA CORPORATION; BEIJING HUAMEI, INC.; CHINA NATIONAL PETROLEUM CORPORATION
Reel/Frame 064391/0556 →