Patent Assignment
Reel/Frame 015017/0951
Assignment of Assignor's Interest
Recorded: 2004-03-01
Pages: 4
Assignor
HERAEUS QUARZGLAS GMBH & CO. KG
Executed: 2004-02-09
Assignee
HERAEUS TENEVO AG
QUARZSTRASSE 8, 63450, HANAU, GERMANY
Covered Properties
(9)
Controlling Process Parameters During Fiber Drawing Including the Prediction of a Future Fiber Diameter
Patent:
6,098,428 →
Application:
08/723,770 →
Repeatedly Coating a Uv-Fiber with Blocking Layers and Charging the Fiber with Hydrogen
Patent:
6,220,059 →
Application:
08/772,659 →
Method of Producing Quartz Glass Bodies
Patent:
6,047,564 →
Application:
09/029,684 →
Method for the Production of a Quartz Glass Blank and Apparatus Suitable Therefor
Patent:
6,079,225 →
Application:
09/099,894 →
Process and Apparatus for Manufacturing a Porous SIO2 Preform
Patent:
6,321,573 →
Application:
09/328,751 →
Method for Producing a Tube Made of Especially Quartz Glass Using Low Internal Pressure and Control of Diameters
Patent:
6,516,636 →
Application:
09/601,460 →
Drilling Device for Brittle Materials
Patent:
6,402,605 →
Application:
09/749,290 →
Method for Producing an SIO2 Blank by Adjusting Shape of Deposition Burner Flame
Method for Producing an SIO2 Blank and Apparatus for Performing Said Method
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 13, 1997
From: KLEIN, KARL-FRIEDRICH; HILLRICHS, GEORG; GRZESIK, ULRICH; YAMAGATA, SHIGERU
To: HERAEUS QUARZGLAS GMBH; SHIN-ETSU QUARTZ PRODUCTS CO., LTD.
Reel/Frame 008477/0146 →
Assignment of Assignor's Interest
Mar 3, 1998
From: SCHAPER, HARTWIG; RUPPERT, KLAUS
To: HERAEUS QUARZGLAS GMBH
Reel/Frame 009339/0720 →
Assignment of Assignor's Interest
Jun 18, 1998
From: RUPPERT, KLAUS; STEINKOHL, ANTON
To: HERAEUS QUARZGLAS GMBH
Reel/Frame 009265/0970 →
Assignment of Assignor's Interest
Jun 9, 1999
From: FRITSCHE, HANS-GEORG; PEPER, UDO; NEUBAUER, FRANK; SCHAPER, HARTWIG
To: HERAEUS QUARZGLAS GMBH & CO. KG
Reel/Frame 010036/0955 →
Assignment of Assignor's Interest
Aug 2, 2000
From: GANSICKE, FRANK; GANZ, OLIVER; HAIN, HARALD; BOGDAHN, THOMAS
To: HERAEUS QUARZGLAS GMBH & CO. KG
Reel/Frame 011010/0342 →
Assignment of Assignor's Interest
Feb 26, 2001
From: CHRISTIANSEN, UWE; BIERSTEDT, HENNING
To: HERAEUS QUARZGLAS GMBH & CO. KG
Reel/Frame 011544/0241 →
Assignment of Assignor's Interest
Nov 1, 2001
From: FABIAN, HEINZ
To: HERAEUS QUARZGLAS GMBH & CO. KG
Reel/Frame 012493/0183 →
Assignment of Assignor's Interest
Nov 7, 2001
From: FABIAN, HEINZ
To: HERAEUS QUARZGLAS GMBH & CO. KG
Reel/Frame 012499/0751 →
Conversion of Ag to Gmbh
Jun 6, 2005
From: HERAEUS TENEVO AG
To: HERAEUS TENEVO GMBH
Reel/Frame 016651/0631 →
Merger
Feb 11, 2008
From: HERAUS TENEVO GMBH
To: HERAEUS QUARZGLAS GMBH & CO. KG
Reel/Frame 020532/0533 →
Corrective Assignment to Correct Reel/Frame No. 020532/0533, Previously Recorded on 2/11/08.
Apr 22, 2008
From: HERAEUS TENEVO GMBH
To: HERAEUS QUARZGLAS GMBH & CO. KG
Reel/Frame 021018/0043 →