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Valentin G. Varnak
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Chelyabinsk, RU
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Patents Grants
last 30 patents
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Patent Grant
Two-wire industrial process field device power supply circuitry
Patent number
11,579,641
Issue date
Feb 14, 2023
Rosemount Inc.
Yevgeny Aleksandrovich Matveyev
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Process control loop current verification
Patent number
9,823,276
Issue date
Nov 21, 2017
Rosemount Inc.
Valentin G. Varnak
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
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Patent Application
TWO-WIRE INDUSTRIAL PROCESS FIELD DEVICE POWER SUPPLY CIRCUITRY
Publication number
20210303010
Publication date
Sep 30, 2021
Rosemount Inc.
Yevgeny Aleksandrovich Matveyev
G05 - CONTROLLING REGULATING
Information
Patent Application
PROCESS CONTROL LOOP CURRENT VERIFICATION
Publication number
20130325381
Publication date
Dec 5, 2013
ROSEMOUNT INC.
Valentin G. Varnak
G01 - MEASURING TESTING