Johannes Krul

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Meerkoetlaan, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a watermark element, watermark element, and al...
- Patent number 8,673,114
- Issue date Mar 18, 2014
- Arjowiggins Security B.V.
- Johannes Krul
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Substrate which is made from paper and is provided with an integrat...
- Patent number 7,032,828
- Issue date Apr 25, 2006
- VHP Veiligheidspapierfabriek Ugchelen B.V.
- Johannes Krul
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Security facility and uses thereof
- Patent number 6,848,618
- Issue date Feb 1, 2005
- VHP Veiligheidspapierfabriek Ugchelen B.V.
- Johannes Krul
- G07 - CHECKING-DEVICES
Information Patent Grant
Substrate which is made from paper and is provided with an integrat...
- Patent number 6,830,192
- Issue date Dec 14, 2004
- VHP Veiligheidspapierfabriek Ugchelen B.V.
- Johannes Krul
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Method For Producing A Watermark Element, Watermark Element, And Al...
- Publication number 20110290435
- Publication date Dec 1, 2011
- VHP Veiligheidspapierfabriek Ugchelen B.V.
- Johannes Krul
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Authentication Method and System for Authenticating Security Docume...
- Publication number 20080274474
- Publication date Nov 6, 2008
- VHP VEILIGHEIDSPAPIERFABRIEK UGCHELEN B.V.
- Johannes Krul
- G07 - CHECKING-DEVICES
Information Patent Application
Sheet which can be authenticated by means of near infrared spectros...
- Publication number 20070108386
- Publication date May 17, 2007
- ARJOWIGGINS SECURITY
- Johannes Krul
- G07 - CHECKING-DEVICES
Information Patent Application
Substrate which is made from paper and is provided with an integrat...
- Publication number 20050109851
- Publication date May 26, 2005
- VHP VEILIGHEIDSPAPIERFABRIEK
- Johannes Krul
- G06 - COMPUTING CALCULATING COUNTING