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Patent applications and USPTO patent grants for Heinrich Koppers Gesellschaft mit beschrankter Haftung.The latest application filed is for "process for decontaminating sewage containing cyanide".
Patent | Date |
---|---|
Process for decontaminating sewage containing cyanide Grant 3,959,130 - Kloster , et al. May 25, 1 | 1976-05-25 |
Method Of Producing Electric Energy Including Coal Gasification Grant 3,873,845 - Osthaus March 25, 1 | 1975-03-25 |
Apparatus For Transferring Pallets Between The Upper And Lower Reaches Of An Endless Conveyor System Grant 3,848,726 - Wiemer November 19, 1 | 1974-11-19 |
Actuator And Signal Device For A Lifting Magnet Grant 3,618,066 - Brommont November 2, 1 | 1971-11-02 |
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