Patent Assignment
Reel/Frame 024583/0831
Assignment of Assignor's Interest
Recorded: 2010-06-23
Pages: 6
Assignors
HUANG, MIANYAN
Executed: 2010-06-23
ZHAO, YANLING
Executed: 2010-06-23
LI, LINLIN
Executed: 2010-06-23
Assignee
BEIJING PRUDENT CENTURY TECHNOLOGY CO., LTD.
B-102, XUEYAN BUILDING, TSINGHUA UNIVERSITY, HAIDIAN DISTRICT, BEIJING, 100084, CHINA
Covered Property
(1)
Polymer Blend Proton Exchange Membrane and Method for Manufacturing the Same
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 28, 2013
From: BEIJING PRUDENT CENTURY TECHNOLOGY CO., LTD.
To: PRUDENT ENERGY INC.
Reel/Frame 030105/0370 →
Corrective Assignment to Correct the Assignee's Address to Read "Room 102, Research Building B" Instead of "B-102, Research Building B" Previously Recorded on Reel 030105 Frame 0370. Assignor(S) Hereby Confirms the Conveyance to Prudent Energy Inc..
May 6, 2013
From: BEIJING PRUDENT CENTURY TECHNOLOGY CO., LTD.
To: PRUDENT ENERGY INC.
Reel/Frame 030359/0195 →
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 →
Corrective Assignment to Correct Application Numbers 12/810,950 and 13/934,046 Previously Record on Reel 048175 Frame 0806 Hereby Confirms Change of Name
Jan 7, 2019
From: JD HOLDING INC.
To: VRB ENERGY INC.
Reel/Frame 048175/0806 →
Corrective Assignment to Correct the Nature of Conveyance Previously Recorded at Reel: 048175 Frame: 0806. Assignor(S) Hereby Confirms the Change of Name.
Jan 31, 2019
From: JD HOLING INC.
To: VRB ENERY INC.
Reel/Frame 048203/0459 →
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 →