Christopher J. Mack

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Marshalltown, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vent assembly and method for a digital valve positioner
- Patent number 10,228,066
- Issue date Mar 12, 2019
- Fisher Controls International LLC
- Richard J. Winkler
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Vent assembly and method for a digital valve positioner
- Patent number 9,989,159
- Issue date Jun 5, 2018
- Fisher Controls International LLC
- Richard J. Winkler
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
VENT ASSEMBLY AND METHOD FOR A DIGITAL VALVE POSITIONER
- Publication number 20180283567
- Publication date Oct 4, 2018
- FISHER CONTROLS INTERNATIONAL LLC
- Richard J. Winkler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VENT ASSEMBLY AND METHOD FOR A DIGITAL VALVE POSITIONER
- Publication number 20150316158
- Publication date Nov 5, 2015
- FISHER CONTROLS INTERNATIONAL LLC
- Richard J. Winkler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...