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Roger L. Simpson
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Blacksburg, VA, US
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last 30 patents
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Patent Grant
Scour preventing apparatus for hydraulics structures
Patent number
9,453,319
Issue date
Sep 27, 2016
Applied University Research, Inc.
Roger Lyndon Simpson
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Low drag asymmetric tetrahedral vortex generators
Patent number
8,434,723
Issue date
May 7, 2013
Applied University Research, Inc.
Roger L. Simpson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Bridge pier and abutment scour preventing apparatus with vortex gen...
Patent number
8,348,553
Issue date
Jan 8, 2013
Applied University Research, Inc.
Roger L. Simpson
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
HYDRAULIC STRUCTURE FAIRING WITH VORTEX GENERATOR
Publication number
20160102441
Publication date
Apr 14, 2016
APPLIED UNIVERSITY RESEARCH, INC.
Roger Lyndon SIMPSON
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
SCOUR PREVENTING APPARATUS FOR HYDRAULIC STRUCTURES
Publication number
20160083925
Publication date
Mar 24, 2016
APPLIED UNIVERSITY RESEARCH, INC.
Roger Lyndon SIMPSON
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
BRIDGE PIER AND ABUTMENT SCOUR PREVENTING APPARATUS WITH VORTEX GEN...
Publication number
20120134753
Publication date
May 31, 2012
Roger L. Simpson
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
LOW DRAG ASYMMETRIC TETRAHEDRAL VORTEX GENERATORS
Publication number
20110315248
Publication date
Dec 29, 2011
Roger L. Simpson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL