Issued Patents All Time
Showing 126–143 of 143 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364869 | Process for producing alkyl esters of saturated aliphatic carboxylic acids | Peter Hofmann | 1982-12-21 |
| 4364978 | Process for high-temperature galvanizing | Erwin Diehl, Artur Stroh | 1982-12-21 |
| 4357111 | Continuous mixing device and process | Rolf Honemeyer | 1982-11-02 |
| 4350393 | Plough transmission | Walter Heberling, Werner Langenberg, Gerhard Behrens, Alfred Saul | 1982-09-21 |
| 4349515 | Tungsten production from raw materials containing phosphorus impurities | — | 1982-09-14 |
| 4337685 | Apparatus for generating a propellant gas | German Munding, Heinrich Strobl | 1982-07-06 |
| 4332645 | Process for the separation of methanol from mixtures of tetrahydrofuran with methanol and water | Michael Zolffel | 1982-06-01 |
| 4309264 | Electrolysis apparatus | Werner Bender, Dieter Bergner, Kurt Hannesen, Wilfried Schulte | 1982-01-05 |
| 4295423 | Liquid distributing roller assembly for printing machines | Hans Johne, Arndt Jentzsch, Gunter Schumann | 1981-10-20 |
| 4295945 | Process for the production of liquid chlorine | Dieter Bergner, Kurt Hannesen, Wilfried Schulte | 1981-10-20 |
| 4286479 | Drive system for a workpiece table of a machine tool | Erich Baumann, Hans-Peter Mente | 1981-09-01 |
| 4282190 | Process for the manufacture of iron and aluminum-free zinc chloride solutions | Lothar Witzke | 1981-08-04 |
| 4276827 | Operator safety device | Hans Johne, Arndt Jentzsch, Lothar Schmidt, Mandred Funke | 1981-07-07 |
| 4257090 | Circuit for defined current sharing between parallel-connected switching regulator modules in DC switching regulators | Hans Kroger, Wolfgang Denzinger | 1981-03-17 |
| 4251335 | Process for the dechlorination and cooling of the anolyte of the alkali metal halide electrolysis | Dieter Bergner, Kurt Hannesen, Wilfried Schulte | 1981-02-17 |
| 4242127 | Process for treating hydroxide sludge residues containing nonferrous metals | Lothar Witzke | 1980-12-30 |
| 4222823 | Method for processing chlorinated hydrocarbon residues | Reinhold Wickbold, Hans Regner, Gunter Scharein, Franz Langheim, Rolf Ruthemeier +2 more | 1980-09-16 |
| 4219678 | Process for preparing pure methyl tert.-butyl ether | Fritz Obenaus, Wilhelm Droste, Wolf Streubel, Michael Zolffel | 1980-08-26 |