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R. Robert Goughnour
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Leesburg, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for enhancement of prefabricated earth drains
Patent number
6,846,130
Issue date
Jan 25, 2005
Nilex Construction, LLC
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method and apparatus for enhancement of prefabricated composite ver...
Patent number
6,312,190
Issue date
Nov 6, 2001
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus for inserting flexible members into the earth
Patent number
6,179,527
Issue date
Jan 30, 2001
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Prefabricated vertical earth drain with relief protrusions
Patent number
6,164,868
Issue date
Dec 26, 2000
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Vibrator having a rotating and oscillating housing
Patent number
6,142,711
Issue date
Nov 7, 2000
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Prefabricated vertical earth drain and method of making the same
Patent number
5,820,296
Issue date
Oct 13, 1998
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus and method for liquefaction remediation of liquefiable soils
Patent number
5,800,090
Issue date
Sep 1, 1998
Geotechnics America, Inc.
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus for inserting prefabricated vertical drains into the earth
Patent number
5,658,091
Issue date
Aug 19, 1997
Geotechnics America, Inc.
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus for inserting prefabricated vertical drains into the earth
Patent number
5,439,326
Issue date
Aug 8, 1995
Geotechnics America, Inc.
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus and method for constructing compacted granular or stone c...
Patent number
5,279,502
Issue date
Jan 18, 1994
Geotechnics America, Inc.
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method of constructing a compacted granular or stone column in soil...
Patent number
4,397,588
Issue date
Aug 9, 1983
Vibroflotation Foundation Company
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
Measuring soil permeability in situ
Publication number
20060042356
Publication date
Mar 2, 2006
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Method and apparatus for enhancement of prefabricated earth drains
Publication number
20040146357
Publication date
Jul 29, 2004
R. Robert Goughnour
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING