Patent Assignment
Reel/Frame 065900/0746
Assignment of Assignor's Interest
Recorded: 2023-12-18
Pages: 4
Assignor
BEIJING HUAMEI, INC.
Executed: 2023-12-05
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 Properties
(2)
Composition and Method for Improving the Production of Petroleum Hydrocarbons
Composition and Method for Improving the Production of Petroleum Hydrocarbons
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 21, 2020
From: HUANG, JIANGSHUI; ZHOU, NANCY; LIN, LIJUN
To: CNPC USA CORPORATION
Reel/Frame 054129/0063 →
Assignment of Assignor's Interest
Oct 21, 2020
From: LIU, FUCHEN; WU, GUODONG; HUANG, BO
To: BEIJING HUAMEI INC.
Reel/Frame 054129/0830 →
Assignment of Assignor's Interest
Nov 15, 2022
From: HUANG, JIANGSHUI; ZHOU, NANCY; LIN, LIJUN
To: CNPC USA CORPORATION
Reel/Frame 061773/0703 →
Assignment of Assignor's Interest
Nov 15, 2022
From: LIU, FUCHEN; WU, GUODONG; HUANG, BO
To: BEIJING HUAMEI, INC.
Reel/Frame 061773/0892 →
Assignment of Assignor's Interest
Dec 18, 2023
From: CNPC USA CORPORATION
To: CNPC USA CORPORATION; BEIJING HUAMEI, INC.; CHINA NATIONAL PETROLEUM CORPORATION
Reel/Frame 065900/0695 →