IP Library › Assignment 020938/0164
Patent Assignment
Reel/Frame 020938/0164

Assignment of Assignor's Interest

Recorded: 2008-05-13 Pages: 2
Assignors
HOWLETT, PAUL
Executed: 2008-01-16
BAIN, JAMES
Executed: 2008-02-15
Assignee
CALEDUS LIMITED
4 RUBISLAW TERRACE, ABERDEEN, AB10 1XE, UNITED KINGDOM
Covered Property (1)
Downhole Swivel Sub
Patent: 8,191,639 →
Application: 11/911,049 →
Publication: US 2008/0236841
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Confirmatory License May 22, 2008
From: UNIVERSITY OF MARYLAND, BALTIMORE
To: NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF HEALTH AND HUMAN SERVICES (DHHS), U.S. GOVERNMENT
Reel/Frame 021012/0202 →
Change of Name May 3, 2012
From: CALEDUS LIMITED
To: TERCEL OILFIELD PRODUCTS UK LIMITED
Reel/Frame 028147/0732 →
Assignment of Assignor's Interest Mar 10, 2015
From: TERCEL OILFIELD PRODUCTS UK LIMITED
To: TERCEL IP LIMITED
Reel/Frame 035125/0138 →
Security Interest Jul 30, 2015
From: TERCEL IP LTD.
To: SILICON VALLEY BANK
Reel/Frame 036216/0095 →
Release of Security Interest Jan 4, 2019
From: SILICON VALLEY BANK
To: TERCEL IP LTD.
Reel/Frame 047900/0534 →