Dirk Wehrens

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St. Augustin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of production blow-molded synthetic resin articles
- Patent number 6,682,670
- Issue date Jan 27, 2004
- Sig Blowtec GmbH & Co. KG
- Uwe Lullwitz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mold for suction/blowing system
- Patent number 6,514,068
- Issue date Feb 4, 2003
- Sig Blowtec GmbH & Co. KG
- Willi Döhmen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Blow molding machine for low-waste blow molding
- Patent number 6,416,313
- Issue date Jul 9, 2002
- Fischer-W. Muller Blasformtechnik GmbH
- Willi Döhmen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing hollow bodies and blow molding machine for...
- Patent number 6,099,790
- Issue date Aug 8, 2000
- Fischer-W. Muller Blasformtechnik GmbH
- Dirk Wehrens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Barrel of thermoplastic material
- Patent number 5,014,873
- Issue date May 14, 1991
- Krupp-Kautex Maschinenbau GmbH
- Werner Clemens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Mold for suction/blowing system
- Publication number 20020041913
- Publication date Apr 11, 2002
- SIG Blowtec GmbH & Co. KG
- Willi Dohmen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method of producing blow-molded synthetic resin articles
- Publication number 20020014708
- Publication date Feb 7, 2002
- SIG Blowtec GmbH & Co. KG
- Uwe Lullwitz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL