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Roy Istre Jr.
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Spring, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Device for securing a fire hydrant valve using a moveable element
Patent number
9,587,763
Issue date
Mar 7, 2017
HYDRA-SHIELD MFG. INC.
Fred J. Stehling
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Fire hydrant securing arrangements
Patent number
6,802,338
Issue date
Oct 12, 2004
Hydra-Shield Manufacturing, Inc.
Roy Istre
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Fire hydrant security systems
Patent number
6,089,253
Issue date
Jul 18, 2000
Hydra-Shield Manufacturing, Inc.
Henry J. Stehling
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Devices for securing fire hydrant valves
Patent number
5,596,893
Issue date
Jan 28, 1997
Hydra-Shield Manufacturing, Inc.
Henry J. Stehling
E03 - WATER SUPPLY SEWERAGE
Patents Applications
last 30 patents
Information
Patent Application
DEVICE FOR SECURING A FIRE HYDRANT VALVE USING A MOVEABLE ELEMENT
Publication number
20160265683
Publication date
Sep 15, 2016
HYDRA-SHIELD MFG. INC.
Fred J. STEHLING
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Arrangement for securing in-ground water valves
Publication number
20060225789
Publication date
Oct 12, 2006
Fred J. Stehling
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Suction inlet valve for fire truck pumpers
Publication number
20050217726
Publication date
Oct 6, 2005
Roy Istre
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Sexless coupling for fire hydrant-fire hose connection
Publication number
20050067022
Publication date
Mar 31, 2005
Roy Istre
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...