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Adam J. Wittkop
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Marshalltown, IA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methods and apparatus to correct remote sensor signals
Patent number
10,724,878
Issue date
Jul 28, 2020
Fisher Controls International LLC
Adam Joseph Wittkop
G01 - MEASURING TESTING
Information
Patent Grant
Valve positioner with overpressure protection capabilities
Patent number
10,007,279
Issue date
Jun 26, 2018
Fisher Controls International LLC
Bruce Frederick Grumstrup
G05 - CONTROLLING REGULATING
Information
Patent Grant
Valve positioner with overpressure protection capabilities
Patent number
9,465,391
Issue date
Oct 11, 2016
Fisher Controls International LLC
Bruce Frederick Grumstrup
G05 - CONTROLLING REGULATING
Information
Patent Grant
Capacitor coupled cable shield feedthrough
Patent number
8,963,015
Issue date
Feb 24, 2015
Fisher Controls International LLC
Adam Joseph Wittkop
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Bidirectional DC to DC converter for power storage control in a pow...
Patent number
8,193,784
Issue date
Jun 5, 2012
Fisher Controls International LLC
Stephen G. Seberger
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Input regulated DC to DC converter for power scavenging
Patent number
7,911,189
Issue date
Mar 22, 2011
Fisher Controls International LLC
Stephen G. Seberger
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
PROCESS CONTROL INSTRUMENTS HAVING LOCAL INTRINSIC SAFETY BARRIERS...
Publication number
20240291268
Publication date
Aug 29, 2024
FISHER CONTROLS INTERNATIONAL LLC
Chris Arnold
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
METHODS AND APPARATUS TO CORRECT REMOTE SENSOR SIGNALS
Publication number
20170122782
Publication date
May 4, 2017
FISHER CONTROLS INTERNATIONAL LLC
Adam Joseph WITTKOP
G01 - MEASURING TESTING
Information
Patent Application
APPARATUS AND METHODS TO DETECT SEMICONDUCTOR DEVICE DEGRADATION DU...
Publication number
20170038425
Publication date
Feb 9, 2017
FISHER CONTROLS INTERNATIONAL LLC
Adam Joseph WITTKOP
G01 - MEASURING TESTING
Information
Patent Application
VALVE POSITIONER WITH OVERPRESSURE PROTECTION CAPABILITIES
Publication number
20170023954
Publication date
Jan 26, 2017
FISHER CONTROLS INTERNATIONAL LLC
Bruce Frederick Grumstrup
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
VALVE POSITIONER WITH OVERPRESSURE PROTECTION CAPABILITIES
Publication number
20150192931
Publication date
Jul 9, 2015
FISHER CONTROLS INTERNATIONAL LLC
Bruce Frederick Grumstrup
G05 - CONTROLLING REGULATING
Information
Patent Application
Capacitor Coupled Cable Shield Feedthrough
Publication number
20120181079
Publication date
Jul 19, 2012
FISHER CONTROLS INTERNATIONAL LLC
Adam J. Wittkop
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Input regulated DC to DC converter for power scavenging
Publication number
20090015216
Publication date
Jan 15, 2009
Fisher Controls International, Inc.
Stephen G. Seberger
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Bidirectional DC to DC Converter for Power Storage Control in a Pow...
Publication number
20080310195
Publication date
Dec 18, 2008
FISHER CONTROLS INTERNATIONAL LLC
Stephen G. Seberger
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER