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Jeffrey S. Vipperman
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
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Patent Grant
Active combustion flow modulation valve
Patent number
8,540,209
Issue date
Sep 24, 2013
University of Pittsburgh of the Commonwealth System of Higher Education
John Peter Hensel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Grant
Piezoelectric axial flow microvalve
Patent number
7,159,841
Issue date
Jan 9, 2007
The United States of America as represented by the United States Department o...
Randall Gemmen
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Active Combustion Flow Modulation Valve
Publication number
20120061596
Publication date
Mar 15, 2012
John Peter Hensel
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Patent Application
Piezoelectric axial flow microvalve
Publication number
20040137300
Publication date
Jul 15, 2004
Randall Gemmen
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL