Patent Assignment
Reel/Frame 012303/0418
Assignment of Assignor's Interest
Recorded: 2001-09-28
Pages: 2
Assignors
BAUMGARTNER, JORG
Executed: 2001-09-04
HEGEMANN, PAUL
Executed: 2001-09-04
RUMMEL, FRITZ
Executed: 2001-09-04
Assignees
GROUPEMENT EUROPEEN D'INTERET ECONOMIQUE, "EXPLOITATIN MINIERE DE LA CHALEUR" (G.E.I.E.)
ROUTE DE SOULTZ, BP 38, 67250 KUTZENHAUSEN, FRANCE
MESYGEO MESSSYSTEME GMBH "MESY"
MEESMANNSTRASSE 49,, D-44807 BOCHUM,, GERMANY
Covered Property
(1)
Wellbore Packer
Patent:
6,640,893 →
Application:
09/937,822 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 23, 2010
From: GROUPEMENT EUROPEEN D'INTERET ECONOMIQUE (G.E.I.E.) EXPLOITATION MINIERE DE LA CHALEUR; MESY GEO MESSSYSTEME GMBH
To: WELLTEC A/S
Reel/Frame 023973/0243 →
Security Interest
Feb 2, 2012
From: WELLTEC A/S
To: CITIBANK, N.A., LONDON BRANCH
Reel/Frame 027637/0737 →
Assignment of Assignor's Interest
Oct 25, 2018
From: WELLTEC A/S
To: WELLTEC OILFIELD SOLUTIONS AG
Reel/Frame 047724/0079 →
Change of Address
Apr 10, 2019
From: WELLTEC OILFIELD SOLUTIONS AG
To: WELLTEC OILFIELD SOLUTIONS AG
Reel/Frame 048853/0289 →