IP Library › Assignment 025460/0230
Patent Assignment
Reel/Frame 025460/0230

Assignment of Assignor's Interest

Recorded: 2010-12-07 Pages: 8
Assignors
XIA, SIQING
Executed: 2010-11-10
ZHANG, ZHIQIANG
Executed: 2010-11-10
Assignee
TONGJI UNIVERSITY
NO. 1239 SIPING ROAD, SHANGHAI, 200092, CHINA
Covered Property (1)
Waste Sludge Dewatering
Patent: 9,238,589 →
Application: 12/950,262 →
Publication: US 2012/0125860
Related Assignments (4)
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 →
Release of Security Interest in Patents, Recorded on July 31, 2019 at Reel 049924 Frame 0794 Jun 22, 2026
From: CRESTLINE DIRECT FINANCE, L.P., AS COLLATERAL AGENT
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 075798/0763 →