Jan van Alfen

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Nijmegen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Closure with tamper-evident strip having bent end portions
- Patent number 9,511,906
- Issue date Dec 6, 2016
- PLASTICUM NETHERLANDS B.V.
- Jan van Alfen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Tamper evident closure
- Patent number 9,409,680
- Issue date Aug 9, 2016
- PLASTICUM NETHERLANDS B.V.
- Jan van Alfen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Closure assembly with valve and method for its manufacturing
- Patent number 9,340,335
- Issue date May 17, 2016
- PLASTICUM NETHERLANDS B.V.
- Lenny Marita Ellenkamp-Van Olst
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Closure with tamper-evident strip
- Patent number 9,090,386
- Issue date Jul 28, 2015
- PLASTICUM NETHERLANDS B.V.
- Jan van Alfen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Closure assembly with valve and method for its manufacturing
- Patent number 8,640,928
- Issue date Feb 4, 2014
- Plasticum Group B.V.
- Lenny Marita Ellenkamp-Van Olst
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
CLOSURE WITH TAMPER-EVIDENT STRIP
- Publication number 20150291324
- Publication date Oct 15, 2015
- Plasticum Netherlands B.V.
- Jan van Alfen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
TAMPER EVIDENT CLOSURE
- Publication number 20150166225
- Publication date Jun 18, 2015
- Jan van Alfen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
CLOSURE WITH TAMPER-EVIDENT STRIP
- Publication number 20140312038
- Publication date Oct 23, 2014
- Plasticum Netherlands B.V.
- Jan van Alfen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
CLOSURE ASSEMBLY WITH VALVE AND METHOD FOR ITS MANUFACTURING
- Publication number 20140217130
- Publication date Aug 7, 2014
- Lenny Marita Ellenkamp-Van Olst
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
CLOSURE ASSEMBLY WITH VALVE AND METHOD FOR ITS MANUFACTURING
- Publication number 20100089921
- Publication date Apr 15, 2010
- Lenny Marita Ellenkamp-Van Olst
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL