Patent Assignment
Reel/Frame 020220/0820
Assignment of Assignor's Interest
Recorded: 2007-12-03
Pages: 2
Assignor
HANSEN, HENNING
Executed: 2007-11-06
Assignee
ICALTECH LIMITED
WARDES ROAD, INVERURIE, ABERDEENSHIRE AB51 3TT, UNITED KINGDOM
Covered Property
(1)
Conveyor Tube for Use in Installing or Replacing a Well Tool in a Producing Well and Procedures for Use of the Same
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 29, 2008
From: ICALTECH LIMITED
To: ZIEBEL GROUP
Reel/Frame 020874/0399 →
Change of Assignee Address
Aug 7, 2009
From: ZIEBEL GROUP
To: ZIEBEL GROUP
Reel/Frame 023070/0286 →
Assignment of Assignor's Interest
Mar 20, 2012
From: ZIEBEL GROUP
To: ZIEBEL AS
Reel/Frame 027892/0525 →