Patent Assignment
Reel/Frame 050592/0605
Merger and Change of Name
Recorded: 2019-10-01
Pages: 10
Assignors
PAUL WURTH REFRACTORY & ENGINEERING GMBH
Executed: 2017-07-25
PAUL WURTH UMWELTTECHNIK GMBH
Executed: 2017-07-25
Assignee
PAUL WURTH DEUTSCHLAND GMBH
GRUGAPLATZ 4, ESSEN, D-45131, GERMANY
Covered Properties
(8)
Novel Fluid System Having Controllable Reversible Viscosity
Ceramic Burner
Method for Constructing a Support Ring in a Curved Wall
Bustle Pipe Arrangement
Bustle Pipe Arrangement
Device for Regulating the Temperature of a Gas in a Hot Gas Main
Method of Operating Regenerative Heaters in Blast Furnace Plant
Top Combustion Stove
Related Assignments
(15)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 30, 2002
From: CHANG, FRANK F.; FU, DIANKUI
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 013344/0458 →
Assignment of Assignor's Interest
Oct 23, 2009
From: SPENGLER, ALOIS; ESCHMANN, FRIEDRICH; DACHS, FRANZ; KRONE, TEODOR, DR.
To: PAUL WURTH REFRACTORY & ENGINEERING GMBH
Reel/Frame 023413/0902 →
Assignment of Assignor's Interest
Oct 23, 2009
From: BARNOWSKI, WOLFGANG; MOLLER, MANFRED, DR.; ROTH, GABRIELE
To: PAUL WURTH REFRACTORY & ENGINEERING GMBH
Reel/Frame 023414/0129 →
Assignment of Assignor's Interest
Jul 5, 2011
From: SIMOES, JEAN-PAUL; HAUSEMER, LIONEL; MOLLER, MANFRED, DR.; TOCKERT, PAUL
To: PAUL WURTH REFRACTORY & ENGINEERING GMBH
Reel/Frame 026541/0385 →
Assignment of Assignor's Interest
Jul 5, 2011
From: SIMOES, JEAN-PAUL; HAUSEMER, LIONEL; MOLLER, MANFRED, DR.; TOCKERT, PAUL
To: PAUL WURTH S.A.
Reel/Frame 026541/0436 →
Corrective Assignment to Correct the Assignee's Address Previously Recorded on Reel 026541 Frame 0385. Assignor(S) Hereby Confirms the Assignment.
Aug 16, 2011
From: SIMOES, JEAN-PAUL; HAUSEMER, LIONEL; MOLLER, MANFRED DR.; TOCKERT, PAUL
To: PAUL WURTH REFRACTORY & ENGINEERING GMBH
Reel/Frame 026761/0386 →
Assignment of Assignor's Interest
Jan 11, 2012
From: MOLLER, MANFRED, DR.; ESCHMANN, FRIEDRICH; SIMOES, JEAN-PAUL
To: PAUL WURTH REFRACTORY & ENGINEERING GMBH
Reel/Frame 027515/0721 →
Assignment of Assignor's Interest
Jan 11, 2012
From: MOLLER, MANFRED, DR.; ESCHMANN, FRIEDRICH; SIMOES, JEAN-PAUL
To: PAUL WURTH S.A.
Reel/Frame 027515/0634 →
Assignment of Assignor's Interest
Apr 18, 2014
From: ESCHMANN, FRIEDRICH; MUNZER, JOHANNES; ALLMANNSDORFER, RALF; HEILHECKER, SYLVIA
To: PAUL WURTH S.A.; PAUL WURTH REFRACTORY & ENGINEERING GMBH
Reel/Frame 032706/0837 →
Assignment of Assignor's Interest
Jun 4, 2014
From: SIMOES, JEAN-PAUL; HAUSEMER, LIONEL; TOCKERT, PAUL; MOLLER, MANFRED
To: PAUL WURTH S.A.
Reel/Frame 033026/0788 →
Assignment of Assignor's Interest
Jun 4, 2014
From: SIMOES, JEAN-PAUL; HAUSEMER, LIONEL; TOCKERT, PAUL; MOLLER, MANFRED
To: PAUL WURTH REFRACTORY & ENGINEERING GMBH
Reel/Frame 033026/0777 →
Assignment of Assignor's Interest
Jun 20, 2018
From: THALER, STEFAN; KESSLER, STEFAN; SCHAUB, ERIC; SA'DODDIN, HOSSEIN
To: PAUL WURTH REFRACTORY & ENGINEERING GMBH; PAUL WURTH S.A.
Reel/Frame 046151/0032 →
Change of Name
Jun 18, 2019
From: PAUL WURTH UMWELTTECHNIK GMBH
To: PAUL WURTH DEUTSCHLAND GMBH
Reel/Frame 049510/0001 →
Corrective Assignment to Correct the Typographical Error in the First Listed Application Number Previously Recorded at Reel: 050592 Frame: 0605. Assignor(S) Hereby Confirms the Application.
Oct 3, 2019
From: PAUL WURTH REFRACTORY & ENGINEERING
To: PAUL WURTH DEUTSCHLAND GMBH
Reel/Frame 050613/0940 →
Change of Address
Oct 3, 2019
From: PAUL WURTH DEUTSCHLAND GMBH
To: PAUL WURTH DEUTSCHLAND GMBH
Reel/Frame 050614/0234 →