Gernot Graefe

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A-7082 Donnerskirchen, AT

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing high-grade fertilizer and useful side products
- Patent number 4,801,325
- Issue date Jan 31, 1989
- Gernot Graefe
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Apparatus for preparing high grade fertilizer
- Patent number 4,343,907
- Issue date Aug 10, 1982
- Gernot Graefe
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method for producing high-grade fertilizer
- Patent number 4,311,510
- Issue date Jan 19, 1982
- Gernot Graefe
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method for producing high-grade fertilizer
- Patent number 4,311,511
- Issue date Jan 19, 1982
- Gernot Graefe
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method and apparatus for preparing high grade fertilizer
- Patent number 4,211,545
- Issue date Jul 8, 1980
- Gernot Graefe
- F24 - HEATING RANGES VENTILATING