IP Library › Assignment 031694/0445

Patent Assignment

Reel/Frame 031694/0445

Change of Name

Recorded: 2013-11-21 Pages: 4

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Assignor

BEIJING PRUDENT CENTURY TECHNOLOGY CO., LTD.

Executed: 2011-08-10

Assignee

PRUDENT ENERGY INC.

ROOM 102, RESEARCH BUILDING B, ROAD SHUANGQING, HAIDIAN DISTRICT, BEIJING, 100084, CHINA

Covered Property (1)

Polymer Blend Proton Exchange Membrane and Method for Manufacturing the Same

Patent: 10,923,754 →

Application: 13/934,046 →

Publication: US 2013/0295487

Related Assignments (4)

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

Assignment of Assignor's Interest Nov 21, 2013

From: HUANG, MIANYAN; ZHAO, YANLING; LI, LINLIN

To: BEIJING PRUDENT CENTURY TECHNOLOGY CO., LTD.

Reel/Frame 031654/0039 →

Assignment of Assignor's Interest Dec 15, 2017

From: PRUDENT ENERGY, INC.

To: BEIJING PU NENG CENTURY SCI. & TECH. CO. LTD.

Reel/Frame 044408/0046 →

Change of Name Aug 22, 2018

From: JD HOLDING INC.

To: VRB ENERGY INC.

Reel/Frame 046913/0407 →

Assignment of Assignor's Interest Oct 10, 2024

From: BEIJING PU NENG CENTURY SCI. & TECH. CO., LTD.

To: VRB ENERGY INC.

Reel/Frame 068868/0800 →