Juerg Zellweger

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Waldstatt, CH

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Patents Grantslast 30 patents

Information Patent Grant
Blocking element, especially an explosion protection valve
- Patent number 7,343,927
- Issue date Mar 18, 2008
- Rico Sicherheistechnik AG
- Juerg Zellweger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Blocking element, especially an explosion protection valve
- Publication number 20060049373
- Publication date Mar 9, 2006
- Rico Sicherheitstechnik AG
- Juerg Zellweger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...