Jürg Zellweger

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Waldstadt, CH

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Patents Grantslast 30 patents

Information Patent Grant
Explosion protection valve
- Patent number 8,534,314
- Issue date Sep 17, 2013
- Rico-Sicherheitstechnik AG
- Jurg Zellweger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
EXPLOSION PROTECTION VALVE FOR INTERRUPTING A FLUID FLOW IN A PIPELINE
- Publication number 20120048399
- Publication date Mar 1, 2012
- Rico Sicherheitstechnik AG
- Jürg Zellweger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Explosion Protection Valve
- Publication number 20100218963
- Publication date Sep 2, 2010
- RICO-SICHERHEIT STECHNIK AG
- Jurg Zellweger
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Sliding valve, in particular quick-acting sliding valve for an expl...
- Publication number 20070007484
- Publication date Jan 11, 2007
- Jurg Zellweger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...