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KEYSTONE ENGINEERING INC.
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Metairie, LA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Offshore support structure
Patent number
9,725,868
Issue date
Aug 8, 2017
Keystone Engineering Inc.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Grouted cylindrical connection utilizing bearing surfaces for offsh...
Patent number
8,888,414
Issue date
Nov 18, 2014
Keystone Engineering, Inc.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Offshore support structure and associated method of installing
Patent number
8,511,940
Issue date
Aug 20, 2013
Keystone Engineering Inc.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Grouted pile splice and method of forming a grouted pile splice
Patent number
8,444,349
Issue date
May 21, 2013
Keystone Engineering Inc.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Offshore structure support
Patent number
7,942,611
Issue date
May 17, 2011
Keystone Engineering Inc.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Offshore structure support and foundation for use with a wind turbi...
Patent number
7,198,453
Issue date
Apr 3, 2007
Keystone Engineering, Inc.
Rudolph A. Hall
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Offshores structure support
Patent number
7,134,809
Issue date
Nov 14, 2006
Keystone Engineering Inc.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Offshore structure support
Patent number
6,783,305
Issue date
Aug 31, 2004
Keystone Engineering Inc.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
FLOATING OFFSHORE WIND TURBINE SUBSTRUCTURE
Publication number
20230113147
Publication date
Apr 13, 2023
KEYSTONE ENGINEERING INC.
Sara GHAZIZADEH
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Application
OFFSHORE SUPPORT STRUCTURE
Publication number
20150337517
Publication date
Nov 26, 2015
KEYSTONE ENGINEERING INC.
Rudolph A. HALL
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
GROUTED CYLINDRICAL CONNECTION UTILIZING BEARING SURFACES FOR OFFSH...
Publication number
20130156509
Publication date
Jun 20, 2013
KEYSTONE ENGINEERING, INC.
Rudolph A. HALL
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
GROUTED PILE SPLICE AND METHOD OF FORMING A GROUTED PILE SPLICE
Publication number
20110135401
Publication date
Jun 9, 2011
KEYSTONE ENGINEERING, INC.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
OFFSHORE SUPPORT STRUCTURE AND ASSOCIATED METHOD OF INSTALLING
Publication number
20110135400
Publication date
Jun 9, 2011
KEYSTONE ENGINEERING INC.
Rudolph A. HALL
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Offshore Structure Support
Publication number
20080219774
Publication date
Sep 11, 2008
KEYSTONE ENGINEERING INC.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Offshore structure support
Publication number
20060237600
Publication date
Oct 26, 2006
Keystone Engineering, Inc.
Rudolph A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Offshores structure support
Publication number
20050135881
Publication date
Jun 23, 2005
Keystone Engineering, Inc.
Rudolpha A. Hall
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Trademark
last 30 trademarks