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USRE20990E
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1939-01-24 |
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Ditcher |
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1932-11-25 |
1936-07-28 |
Ranney Leo |
Process for building underground structures and apparatus therefor
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1937-01-07 |
1938-11-15 |
Ernest V Briscoe |
Ditch digger and cleaner
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1946-11-15 |
1958-09-02 |
Robert C Chattin |
Ditcher with divergent wings
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1963-04-25 |
1966-03-08 |
Raymond F Rhodes |
Apparatus for burying and recovering pipe in underwater locations
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1964-12-29 |
1967-08-01 |
Bell Telephone Labor Inc |
Adjustable depth submarine cable burier
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1967-01-25 |
1969-03-25 |
Bell Telephone Labor Inc |
Submarine cable burying machine
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1967-08-02 |
1969-08-26 |
Brown & Root |
Apparatus for pipelaying and trenching operations in a body of water
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1967-10-09 |
1970-09-01 |
Edmund Roessler |
Ditching machine having vertically adjustable wheels
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NL6808498A
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1968-06-17 |
1969-12-19 |
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1968-09-13 |
1970-04-07 |
Hartwell A Elliott |
Trenching machine apparatus
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1969-12-08 |
1971-12-14 |
Hydraulic Machinery Co Inc |
Continuous rotation grapple
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1970-09-04 |
1972-06-20 |
Fluor Corp |
Automatic submarine trencher
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1971-02-08 |
1973-03-27 |
L Roy |
Submarine pipeline trencher
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1971-02-08 |
1975-08-05 |
Redpath Dorman Long North Sea |
Vehicle for underwater excavation beneath a structure
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1971-08-27 |
1975-04-15 |
Norman Offshore Services Inc |
Underwater trenching apparatus guidance system
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1971-12-23 |
1977-05-10 |
Martin Charles F |
Submarine pipe trenching apparatus
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1972-02-22 |
1973-08-14 |
Brown & Root |
Apparatus for entrenching submerged elongate structures
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FR2278854A1
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1974-07-19 |
1976-02-13 |
Comex |
Engin automoteur pour travailler au fond de l'eau
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1975-02-11 |
1979-04-17 |
Saipem S.P.A. |
Machine for digging a trench beneath a submerged pipeline
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1975-09-04 |
1977-07-26 |
J. Ray Mcdermott & Co. Inc. |
Articulated jet sled
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1976-05-03 |
1978-04-24 |
Ericsson Telefon Ab L M |
Forleggningsverktyg for forleggning av sjokabel i sjobotten
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GB1583144A
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1976-06-14 |
1981-01-21 |
Adler W M |
Offshore pipe laying
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1976-11-17 |
1977-08-02 |
Sandvick Robert M Sen |
Pipe laying apparatus
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1977-04-11 |
1978-05-30 |
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Marine pipeline installation system
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1977-08-31 |
1981-06-23 |
Norman Robert M |
Self-propelled underwater trenching apparatus and method
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1977-10-14 |
1981-05-19 |
Tesson Prosper A |
Pipe handling method and apparatus
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1977-10-14 |
1980-08-19 |
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Pipe handling method and apparatus
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1978-07-31 |
1982-12-16 |
Nederlandse Offshore Co |
Inrichting voor het graven van een sleuf onder een op de waterbodem gelegen pijpleiding, welke inrichting is voorzien van twee naast elkaar ter weerszijden van de pijpleiding aangebrachte graafwielen, welke een scherpe hoek insluiten.
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FR2455235A1
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1979-04-27 |
1980-11-21 |
Coflexip |
Dispositif d'ensouillage de cables ou conduites tubulaires flexibles dans le fond sous-marin
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1979-06-01 |
1985-01-24 |
Hydro-Jet-System Establishment, Vaduz |
Verfahren und Vorrichtung zum Einbetten von Kabeln und dergleichen in einen Gewässergrund
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1979-08-23 |
1981-10-20 |
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Jet sled spoil scoop apparatus
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1981-05-19 |
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Apparatus and method for supporting and positioning pipe during the construction of drain fields and the like
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Marine continuous pipe laying system
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1981-09-28 |
1984-09-11 |
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Underwater trenching & pipelaying apparatus
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1981-12-30 |
1984-08-14 |
Guy F. Atkinson Company |
Method and means for laying an underwater pipeline
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1983-07-12 |
1986-05-06 |
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Underwater trenching system
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1983-11-30 |
1984-01-04 |
Soil Machine Dynamics Ltd |
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1984-05-22 |
1990-01-25 |
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Pipeline jetting/mechanical trenching sled
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1985-10-03 |
1985-11-06 |
Soil Machine Dynamics Ltd |
Pipeline/cable plough
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1985-03-09 |
1988-06-15 |
Daisy D Limited |
Apparatus for laying flexible drainage pipes in trenched ground
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1985-05-17 |
1988-01-26 |
Rudolf Harmstorf |
Method and device for progressively producing an underwater laying-out channel
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1986-03-27 |
1987-10-03 |
Kokusai Denshin Denwa Co Ltd <Kdd> |
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1986-08-29 |
1989-03-14 |
Casper Colosimo & Son, Inc. |
Embedding cablelike members
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1987-12-22 |
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Pipelay in slurry trench
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1987-02-11 |
1987-03-18 |
Soil Machine Dynamics Ltd |
Submarine cable plough
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1987-06-20 |
1987-07-22 |
Land & Marine Eng Ltd |
Seabed trenching apparatus
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1987-11-17 |
1989-05-24 |
Siemens Ag |
Kabelpflug
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1988-04-19 |
1989-10-31 |
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Underwater cable laying system
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1989-06-19 |
1991-02-12 |
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Underwater trenching system
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1991-11-20 |
1993-06-16 |
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Werkwijze en inrichting voor het in een onder water bodem ingraven van een pijpleiding.
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1995-06-30 |
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Procédé et dispositif de pose et d'ensouillage en continu d'une conduite flexible sous-marine.
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1994-01-07 |
1996-03-29 |
Coflexip |
Dispositif de comblement d'une tranchée creusée dans le fond sous-marin pour recouvrir une canalisation déposée dans ladite tranchée.
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Einbettungsgerät zum Einbetten von Kabeln in Gewässerböden
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1999-09-21 |
1999-11-17 |
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Improvements to submarine ploughs
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1999-10-11 |
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Improvements to submarine ploughs
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2000-01-05 |
2000-02-23 |
Soil Machine Dynamics Ltd |
Submarine plough and plough share for such plough
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Submarine plough
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Trenching apparatus
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Trenching machine
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Vehicle for installing a cable in a ground formation
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Seabed plow capable of over-the-stern release and retrieval in any of boulder clearing, trenching and backfill configurations
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Subsea trencher and method for subsea trenching
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一种双作业模式海底电缆挖沟机
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Method and apparatus for inserting an elongate object into a trench in a sea floor
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Device, method and assembly for providing an elongate element in a seabed
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Apparatus for locating elongate object in a trench in a floor of a body of water
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2023-09-06 |
Soil Machine Dynamics Limited |
Apparatus and method for inserting an elongate object into a trench
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2021-02-22 |
2022-08-24 |
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Top loading cable plough
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