-
Gutter system
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Patent number 12,049,750
-
Issue date Jul 30, 2024
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ACO AHLMANN SE & CO. KG
-
Michael Muller
-
E03 - WATER SUPPLY SEWERAGE
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Manhole cover
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Patent number 9,004,809
-
Issue date Apr 14, 2015
-
ACO Severin Ahlmann GmbH & Co. KG
-
Arne Stoltenberg
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Surface water drainage system
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Patent number 7,524,133
-
Issue date Apr 28, 2009
-
ACO Severin Ahlmann GmbH & Co. KG
-
Heino Messerschmidt
-
E03 - WATER SUPPLY SEWERAGE
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Drainage channel
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Patent number 7,458,745
-
Issue date Dec 2, 2008
-
ACO Severin Ahlmann GmbH & Co. KG
-
Arne Stoltenberg
-
B28 - WORKING CEMENT, CLAY, OR STONE
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Drainage device
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Patent number 7,059,804
-
Issue date Jun 13, 2006
-
ACO Severin Ahlmann GmbH & Co. KG
-
Michael Sieber
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E03 - WATER SUPPLY SEWERAGE