Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5276256 | Flameproofed chlorine-and bromine-free molding composition | Norbert Niessner, Karl Ruppmich, Friedrich Seitz, Doris Zeltner | 1994-01-04 |
| 5264993 | Headlamp for power vehicles | Gerhard Lindae, Kay Kolberg, Karl-Heinrich Preis, Thomas D. Weigold | 1993-11-23 |
| 5255163 | Headlight for motor vehicle | — | 1993-10-19 |
| 5219907 | Flameproofed molding composition | Norbert Niessner, Karl Ruppmich, Friedrich Seitz, Doris Zeltner | 1993-06-15 |
| 5215368 | Headlight of a motor vehicle for both high-beam and low-beam operation | — | 1993-06-01 |
| 5213406 | Headlamp for power vehicles | Gerhard Lindae, Kay Kolberg, Karl-Heinrich Preis, Thomas D. Weigold | 1993-05-25 |
| 5162423 | Thermoplastic molding materials having good low-temperature impact strength | Ehrenfried Baumgartner, Klaus Benker, Karl Ruppmich | 1992-11-10 |
| 5047902 | Headlamp for power vehicle | Gerhard Lindae | 1991-09-10 |
| 4924359 | Motor vehicle headlight | Gerhard Lindae, Peter Perthus | 1990-05-08 |
| 4768135 | Headlight arrangement for vehicles | Heinz Kretschmer, Christian Lietar, Gerhard Lindae, Richard Loewe, Jean-Francois Longchamp +2 more | 1988-08-30 |
| 4755919 | Antiglare headlamp particularly a rectangular reflector type headlamp for motor vehicles | Gerhard Lindae, Peter Perthus | 1988-07-05 |
| 4656183 | Pesticidal oxalyl dianilides | Manfred Boger, Jozef Drabek | 1987-04-07 |
| 4483056 | Tool for closing pipe couplings | Dieter Schwalm | 1984-11-20 |
| 4430181 | Process for the preparation of benzoyl chloride | Karl Morgenstern, Karl-August Lipper, Friedrich Bruhne, Walter Bockmann, Clemens Casper +1 more | 1984-02-07 |
| 4371691 | Preparation of polycarbonate from specific crude bisphenols | Gerhard Friedhofen, Volker Serini, Dieter Freitag, Hans-Helmut Schwarz | 1983-02-01 |
| 4348542 | Process for the production of mixtures of alkylated aromatic hydroxy compounds | Volker Serini, Gerhard Friedhofen, Dieter Freitag, Jürgen Heuser, Hans-Helmut Schwarz | 1982-09-07 |
| 4307253 | Process for the preparation of alkyl aryl ethers | Hans-Helmut Schwarz, Dieter Nachtsheim | 1981-12-22 |