Rolf Wichmann

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Vechta-Bergstrup, DE

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Patents Grantslast 30 patents

Information Patent Grant
Piglet-protection device for a farrowing pen, and respective farrow...
- Patent number 12,052,974
- Issue date Aug 6, 2024
- Big Dutchman International GmbH
- Birgit Hinrichs
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
KEEPING FACILITY FOR KEEPING POULTRY ANIMALS, RELATED POULTRY ANIMA...
- Publication number 20250024818
- Publication date Jan 23, 2025
- Big Dutchman International GmbH
- ROLF WICHMANN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
PIGLET-PROTECTION DEVICE FOR A FARROWING PEN, AND RESPECTIVE FARROW...
- Publication number 20230200347
- Publication date Jun 29, 2023
- Big Dutchman International GmbH
- Birgit Hinrichs
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING