Siegfried Rudolph

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Hanover, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cleaning a screen disposed in a water channel
- Patent number 4,214,989
- Issue date Jul 29, 1980
- Schreiber-Klaranlagen, Dr.-Ing. Aug, Schreiber GmbH & Co. KG
- Siegfried Rudolph
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for the intermittent aeration of sewage
- Patent number 4,165,286
- Issue date Aug 21, 1979
- Schreiber; August
- August Schreiber
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Drive device for rake arm with attached screen comb in cleaning dev...
- Patent number 4,107,040
- Issue date Aug 15, 1978
- Schreiber-Klaranlagen Dr.-Ing. Aug. Schreiber GmbH & Co. KG
- Siegfried Rudolph
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL