Hans Schmidt

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Liebenburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for waste processing with multistage separatio...
- Patent number 6,264,038
- Issue date Jul 24, 2001
- R.S.T. Luxembourg SA
- Hans Schmidt
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Apparatus for the injection of compressed air into a liquid
- Patent number 5,304,301
- Issue date Apr 19, 1994
- Schreiber; Berthold
- Hans Schmidt
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Aeration apparatus for liquid
- Patent number 5,234,632
- Issue date Aug 10, 1993
- Schreiber; Berthold
- Hans Schmidt
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE