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Sur-Flo Meters & Controls Ltd.
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Calgary, Alberta, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Valve with expandable sleeve fitted over perforated walls of inlet...
Patent number
11,156,299
Issue date
Oct 26, 2021
Sur-Flo Meters & Controls Ltd
Darrell Nelson
G05 - CONTROLLING REGULATING
Information
Patent Grant
Paddlewheel flow meter with improved servicability and improved rel...
Patent number
9,086,305
Issue date
Jul 21, 2015
Sur-Flo Meters & Controls Ltd.
Darrell Nelson
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Valve with Expandable Sleeve Fitted Over Perforated Walls of Inlet...
Publication number
20200386339
Publication date
Dec 10, 2020
Sur-Flo Meters & Controls Ltd
Darrell Nelson
G05 - CONTROLLING REGULATING
Information
Patent Application
Valve with Expandable Sleeve Fitted Over Perforated Walls of Inlet...
Publication number
20190145538
Publication date
May 16, 2019
Sur-Flo Meters & Controls Ltd
Darrell Nelson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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last 30 trademarks