Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944785 | Process using melt accelerator for the conversion of solid waste substances into glass | Helmut Sorg, Hartmut Zschocher, Heinz Merlet | 1990-07-31 |
| 4932035 | Discontinuous glass melting furnace | — | 1990-06-05 |
| 4910200 | Acrylic acid morpholides, fungicidal compositions and use | Jurgen Curtze, Josef Nickl, Heinz-Manfred Becher, Guido Albert, Christo Drandarevski +2 more | 1990-03-20 |
| 4882736 | Method for efficiently using flue gas energy in a glass furnace | — | 1989-11-21 |
| 4852118 | Energy saving method of melting glass | — | 1989-07-25 |
| 4829058 | Substituted bis-(4-aminophenyl)-sulfones | Joachim K. Seydel, Gerd Kruger, Klaus Noll, Johannes Keck, Uwe Lechner | 1989-05-09 |
| 4797092 | Cullet preheater | — | 1989-01-10 |
| 4789990 | Glass melting furnace of improved efficiency | — | 1988-12-06 |
| 4753934 | Acrylic acid heterocyclic amides, fungicidal compositions and use | Josef Nickl, Jurgen Curtze, Christo Drandarevski, Sigmund Lust | 1988-06-28 |
| 4687504 | Glass melting furnace with bottom electrodes | Adolf Knauer, Helmut Sorg | 1987-08-18 |
| 4490369 | Benzazepine derivatives, their pharmaceutical compositions and method of use | Manfred Reiffen, Joachim Heider, Norbert Hauel, Volkhard Austel, Wolfgang Eberlein +5 more | 1984-12-25 |
| 4362738 | Esters and amides containing the 1-(4-chlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetyl moiety | Johannes Keck, Gerd Kruger, Klaus Noll, Gunther Engelhardt, Norbert Promberger +1 more | 1982-12-07 |
| 4264351 | Glass melting furnace | — | 1981-04-28 |
| 4244967 | Antiphlogistic pharmaceutical compositions containing a phenylethanolamine and methods of use | Gunther Engelhardt, Johannes Keck, Gerd Kruger, Klaus Noll, Rainer Zimmermann | 1981-01-13 |
| 4213002 | Electrically heated melting furnace for mineral materials | — | 1980-07-15 |
| 4184863 | Glass melting furnace and method | — | 1980-01-22 |