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Open-bottom gravel dump boat
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Patent number 5,012,754
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Issue date May 7, 1991
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Marusen Co., Ltd.
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Toshifumi Mori
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Carrying barge
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Patent number 4,917,034
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Issue date Apr 17, 1990
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Osakawan Marine Corporation
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Masahiko Miyamoto
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
-
-
Locking mechanism for a self-dumping barge
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Patent number 4,616,587
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Issue date Oct 14, 1986
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Deggendorfer Werft und Eisenbau Gesellschaft m.b.H.
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Isidor Weiss
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
-
-
Dredged soil conveying vessel
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Patent number 4,505,214
-
Issue date Mar 19, 1985
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Ballast-Nedam Groep N.V.
-
Johannes C. Tjebbes
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Split hopper vessel
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Patent number 4,505,215
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Issue date Mar 19, 1985
-
IHC Holland N.V.
-
Jan Stigter
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
-
Split vessel or similar vessel
-
Patent number 4,409,916
-
Issue date Oct 18, 1983
-
IHC Holland N.V.
-
Ewout C. de Kat
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
-
Hopper barge
-
Patent number 4,261,275
-
Issue date Apr 14, 1981
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Koninklijke Bos Kalis Westminster Group N.V.
-
Arie A. Demmers
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
-
-
-
Hopper barge bottom seal construction
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Patent number 4,084,527
-
Issue date Apr 18, 1978
-
Deggendorfer Werft und Eisenbau G.m.b.H.
-
Gerhard Hellmich
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Ship connecting structure
-
Patent number 3,973,512
-
Issue date Aug 10, 1976
-
Willard F. Fahrner
-
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Bottom-dump vessel
-
Patent number 3,946,686
-
Issue date Mar 30, 1976
-
A. Vuyk & Zonen's Scheepswerven B.V.
-
Bartele van der Werff
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3918381
-
Patent number 3,918,381
-
Issue date Nov 11, 1975
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3837312
-
Patent number 3,837,312
-
Issue date Sep 24, 1974
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3688722
-
Patent number 3,688,722
-
Issue date Sep 5, 1972
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3648637
-
Patent number 3,648,637
-
Issue date Mar 14, 1972
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3631827
-
Patent number 3,631,827
-
Issue date Jan 4, 1972
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3596621
-
Patent number 3,596,621
-
Issue date Aug 3, 1971
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3581694
-
Patent number 3,581,694
-
Issue date Jun 1, 1971
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3543709
-
Patent number 3,543,709
-
Issue date Dec 1, 1970
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3538875
-
Patent number 3,538,875
-
Issue date Nov 10, 1970
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3509841
-
Patent number 3,509,841
-
Issue date May 5, 1970
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3417669
-
Patent number 3,417,669
-
Issue date Dec 24, 1968
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3417806
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Patent number 3,417,806
-
Issue date Dec 24, 1968
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
-
3401661
-
Patent number 3,401,661
-
Issue date Sep 17, 1968
-
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
-
1319977
-
Patent number 1,319,977
-
Issue date Oct 28, 1919
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1196229
-
Patent number 1,196,229
-
Issue date Aug 29, 1916
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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782567
-
Patent number 782,567
-
Issue date Feb 14, 1905
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT