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Patents Grants
last 30 patents
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Patent Grant
Backflow preventer and system separator especially for fire-fightin...
Patent number
11,401,702
Issue date
Aug 2, 2022
AWG Fittings GmbH
Lars Biskupek
E03 - WATER SUPPLY SEWERAGE
Patents Applications
last 30 patents
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Patent Application
Backflow Preventer and System Separator Especially for Fire-Fightin...
Publication number
20210238830
Publication date
Aug 5, 2021
AWG Fittings GmbH
Lars Biskupek
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...