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Patents Grants
last 30 patents
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Patent Grant
Casting guide for reinforced concrete pile sections
Patent number
9,339,944
Issue date
May 17, 2016
SMRF, LLC
Kari Koivunen
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method of making concrete pile sections
Patent number
9,038,274
Issue date
May 26, 2015
SMRF, LLC
Kari Koivunen
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
CASTING GUIDE FOR REINFORCED CONCRETE FILE SECTIONS
Publication number
20150204043
Publication date
Jul 23, 2015
Sun Piledriving Equipment, LLC
Kari Koivunen
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
JOINT FOR REINFORCED CONCRETE PILE SECTIONS
Publication number
20140241816
Publication date
Aug 28, 2014
Sun Piledriving Equipment, LLC
Kari KOIVUNEN
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
JOINT FOR REINFORCED CONCRETE PILE SECTIONS
Publication number
20090263189
Publication date
Oct 22, 2009
Kari Koivunen
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
JOINT FOR REINFORCED CONCRETE PILE SECTIONS
Publication number
20090022545
Publication date
Jan 22, 2009
Kari Koivunen
B28 - WORKING CEMENT, CLAY, OR STONE