Patent Assignment
Reel/Frame 034593/0268
Assignment of Assignor's Interest
Recorded: 2014-12-29
Pages: 10
Assignors
WANG, YUN-HAI
Executed: 2012-07-10
CHEN, QING-YUN
Executed: 2012-07-10
FU, RONG
Executed: 2012-07-10
LIU, YA-PENG
Executed: 2012-07-10
Assignee
XI'AN JIAOTONG UNIVERSITY
NO. 28 XIANNING WEST ROAD, XI'AN, SHANXI, 710049, CHINA
Covered Property
(1)
Systems and Methods for Treating Heavy Metal Wastewater
Application:
14/410,529 →
Publication:
US 2015/0321930
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →
Release of Security Interest
Jul 31, 2019
From: CRESTLINE DIRECT FINANCE, L.P.
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 049924/0794 →
Release of Security Interest in Patents, Recorded on January 29, 2019 at Reel 048373 Frame 0217
Sep 22, 2025
From: CRESTLINE DIRECT FINANCE, L.P., AS COLLATERAL AGENT
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 072936/0464 →