Roland HAFNER

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Uzwil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Explosion-proof sliding gate valve for blocking a fluid flow in a p...
- Patent number 9,528,612
- Issue date Dec 27, 2016
- Rico-Sicherheitstechnik AG
- Daniel Zellweger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
BALL VALVE, IN PARTICULAR FOR EXPLOSION ISOLATION IN PROCESS PIPELINES
- Publication number 20240410474
- Publication date Dec 12, 2024
- Rico Sicherheitstechnik AG
- Roland HAFNER
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
EXPLOSION-PROOF SLIDING GATE VALVE FOR BLOCKING A FLUID FLOW IN A P...
- Publication number 20150337967
- Publication date Nov 26, 2015
- Rico Sicherheitstechnik AG
- Daniel ZELLWEGER
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...