IP Library › Assignment 070792/0076

Patent Assignment

Reel/Frame 070792/0076

Change of Name

Recorded: 2025-04-10 Pages: 3

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Assignor

KEYUAN ENGINEERING TECHNOLOGY TESTING CENTER OF SICHUAN PROVINCE

Executed: 2022-12-06

Assignee

SICHUAN KEYUAN TESTING CENTER OF ENGINEERING TECHNOLOGY CO., LTD.

BUILDING 1, NO. 919, SECTION 1, KEHUI ROAD, WENJIANG DISTRICT, CHENGDU, 611133, CHINA

Covered Property (1)

Simulation analysis method for injection volume of alternate displacement of shale oil by carbon dioxide and nitrogen

Patent: 12,345,132 →

Application: 17/480,363 →

Publication: US 2022/0003079

Related Assignments (2)

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

Assignment of Assignor's Interest Apr 11, 2025

From: SICHUAN KEYUAN TESTING CENTER OF ENGINEERING TECHNOLOGY CO., LTD.

To: SICHUAN INSTITUTE OF ENERGETICAL AND GEOLOGICAL SURVEY

Reel/Frame 070806/0587 →

Assignment of Assignor's Interest May 12, 2025

From: CAO, QIAN; QI, MINGHUI; HUANG, YI; ZHANG, YEYU

To: KEYUAN ENGINEERING TECHNOLOGY TESTING CENTER OF SICHUAN PROVINCE

Reel/Frame 071080/0792 →