Peter Werkhoff

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Varell, DE

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of caffeine adsorbed to activated carbon
- Patent number 4,540,784
- Issue date Sep 10, 1985
- Hag GF Aktiengesellschaft
- Otto G. Vitzthum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pressure relief valve for packing containers
- Patent number 4,134,535
- Issue date Jan 16, 1979
- HAG Aktiengesellschaft
- Manfred Barthels
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL