Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7089765 | Method of making a jacketed preform for optical fibers using OVD | Norbert Treber, Oliver Humbach, Uwe Haken, Donald Jablonowski | 2006-08-15 |
| 6321573 | Process and apparatus for manufacturing a porous SiO2 preform | Hans-Georg Fritsche, Udo Peper, Frank Neubauer, Jurgen Roper | 2001-11-27 |
| 6047564 | Method of producing quartz glass bodies | Klaus Ruppert | 2000-04-11 |
| 5643347 | Process for manufacture of silica granules | Waltraud Werdecker, Rolf Gerhardt, Wolfgang Englisch | 1997-07-01 |
| 5429653 | Method of partially introverting a multiple layer tube to form an optical fiber preform | Helmut Leber, Norbert Treber, Gerhart Vilsmeier, Klaus Reimann | 1995-07-04 |
| 4782265 | Electrochemical luminescent cell | Erwin Schnedler, Karl H. Wilhelm | 1988-11-01 |
| 4431919 | Detection apparatus, particularly for use in liquid chromatography | Heiner Kostlin, Manfred Peterek, Robert J. Dolphin, Frederick W. Willmott | 1984-02-14 |
| 4422006 | Electrochemical luminescent cell | Karl H. Wilhelm | 1983-12-20 |