Struve Friedrich

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Kingwood, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Heating tool for welding thermoplastic sheets
- Patent number 6,390,168
- Issue date May 21, 2002
- Friedrich Struve
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Controlled heat transfer heating tool for welding thermoplastic sheets
- Patent number 6,378,589
- Issue date Apr 30, 2002
- Friedrich Struve
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of sealing lateral connections for pipe liners
- Patent number 5,223,189
- Issue date Jun 29, 1993
- Gundle Lining Systems, Inc.
- Struve Friedrich
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL