Karl-Heinz Pree

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Etzbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Bung plug seal
- Patent number 12,202,647
- Issue date Jan 21, 2025
- Protechna S.A.
- Karl-Heinz Pree
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Bung plug having an integrated pressure compensation means
- Patent number 10,787,294
- Issue date Sep 29, 2020
- Protechna S.A.
- Karl-Heinz Pree
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
BUNG PLUG SEAL
- Publication number 20240182209
- Publication date Jun 6, 2024
- PROTECHNA S.A.
- Karl-Heinz Pree
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BUNG PLUG HAVING AN INTEGRATED PRESSURE COMPENSATION MEANS
- Publication number 20180319548
- Publication date Nov 8, 2018
- PROTECHNA S.A.
- Karl-Heinz Pree
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL