Manfred Hawerkamp

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5210 Troisdorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for testing welds of thermoplastic parts
- Patent number 4,513,605
- Issue date Apr 30, 1985
- Manfred Hawerkamp
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus and method for producing a tube from a continuous formed...
- Patent number 4,510,004
- Issue date Apr 9, 1985
- Manfred Hawerkamp
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and device for producing a helically wound tube
- Patent number 4,466,854
- Issue date Aug 21, 1984
- Manfred Hawerkamp
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Device for cooling and calibrating helical thermoplastic tube ribs
- Patent number 4,420,037
- Issue date Dec 13, 1983
- Manfred Hawerkamp
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL