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DK629C
(en)
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|
Pontoon for Lifting Sunken Ships.
|
|
ES18620A1
(en)
|
|
Submarine ship improvements.
|
|
CH12607A
(en)
|
|
Advanced boat planking
|
|
DK440C
(en)
|
|
Ship propeller.
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|
ES18521A3
(en)
|
|
Construction of floating metal docks for the hull and repair of ships.
|
|
DK1072C
(en)
|
|
Air cells for maintenance of the buoyancy of sinking ships.
|
|
GB189620909A
(en)
|
|
Raising Sunken Ships.
|
|
GB189415124A
(en)
|
|
A New or Improved Semi-collapsible Pontoon for Lifting or Raising Sunken Ships.
|
|
FR359304A
(en)
|
|
Hull for propeller boats
|
|
FR1753E
(en)
|
|
Improvements in underwater worker boats
|
|
FR331091A
(en)
|
|
Improvements in underwater worker boats
|
|
DK1525C
(en)
|
|
Devices for ensuring the buoyancy of ships, boats and the like.
|
|
ES26487A1
(en)
|
|
A new ship hull.
|
|
DK1369C
(en)
|
|
Submarine Vessel.
|
|
FR352855A
(en)
|
|
Propeller propeller for ships
|
|
FR337535A
(en)
|
|
Altiscope for underwater boats
|
|
ES19111A1
(en)
|
|
Improvements in propulsion devices for boats.
|
|
GB189606992A
(en)
|
|
Apparatus for Preventing the Sinking of Ships and other Water Craft, and for Raising Sunken Vessels and other Submerged Objects.
|
|
CH28464A
(en)
|
|
Boat thruster
|
|
GB189606765A
(en)
|
|
Improved Means for Manoeuvring Ships.
|
|
FR335212A
(en)
|
|
Unsinkable whaling boat
|
|
ES21514A1
(en)
|
|
An untouchable and unsinkable ship.
|
|
FR334213A
(en)
|
|
Mooring dinghy float
|
|
DK3040C
(en)
|
|
Bucket Chain with Movable Buckets for Propulsion of Steamships.
|
|
FR334829A
(en)
|
|
Liferaft, detachable, for ships
|