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| Number | Title | Issue Date |
| 7536970 | Portable hydraulic master ratchet A manually actuated hydraulic cylinder with a retractable piston for varying the distance between two cables secured to a barge attachment ring on the end of the cylinder and a pelican hook and keeper disposed on the end of the piston as used in the marine industry ... | 05/26/2009 |
| 7210379 | Rigging tool A rigging tool for use with a turnbarrel for joining ends of cables together in which the rigging tool has a first gripping member with a receptacle suitable for receiving a terminal end of a cable therein, a second gripping member having a receptacle suitable for r... | 05/01/2007 |
| 6474253 | Tender towing system for motor yachts A tender towing system for motor yachts employing a retractable tow line coupled to a rotatable spool. The rotatable spool is controlled by an operator of the motor yacht by a centralized hydraulic or electrical system. A harness is placed between the tow... | 11/05/2002 |
| 5957075 | Remotely controlled mooring line quick release apparatus The mooring line quick release device for quickly releasing a mooring line comprising a chamber, a mooring line support shaft and a mechanical system. The chamber, which is compact and sealed, has a first compartment and a second compartment separated by ... | 09/28/1999 |
| 5732647 | Device and a method for tying and untying a tug line at a ship A device and a method for engaging and disengaging of a towing line from a tow boat to and from a ship. At the ship there is a hawse hole (5), a bollard head (1) and a working for inhauling of a messenger rope (4), attached to the lop of the towing line (... | 03/31/1998 |
| 5687668 | Steerable tug-and-barge linkage An apparatus and method are disclosed for increasing the low speed maneuverability and the stability of sea-going vessels. The apparatus includes a linkage assembly which connects a primary vessel or sub-vessel to a secondary, steering vessel or sub-vesse... | 11/18/1997 |
| 5615630 | Stern arrangement for a ship A stern arrangement for a ship where the stern of the ship is made modifiable or convertible for at least two different purposes by moving or by replacing at least a part of the stern. The stern of the ship is convertible to be a towing notch or to be equ... | 04/01/1997 |
| 5529010 | Transom link method and apparatus A transom link for a tugboat is used to rescue an escorted ship that has lost the ability to maneuver. A transom link is a high-strength, oblong member, having a pivot arm that pivots open to allow a closed eye of a line to be captured by the transom link... | 06/25/1996 |
| 5184563 | Marine propulsion apparatus Marine propulsion apparatus comprising an engine mounted within a buoyant enclosure, which is adapted to be connected to a marine vessel, which requires propulsion. The engine drives a propeller through a simple drive system. The apparatus is adapted to b... | 02/09/1993 |
| 5072685 | Hydraulic system for tug/barge connections Hydraulic system for controlling tug-barge cables. A closed hydraulic loop is connected to a cylinder and includes a pump to reciprocate the piston and to apply constant tension through the cylinder and piston to the cables.... | 12/17/1991 |
| 4949663 | Electro-magnetic coupling for tow boat and barge An electro-magnetic coupling apparatus for use with a tug and barge tow includes a bumper frame which is pivotally carried by the tub. The bumper frame includes a bearing surface that is positioned to bear against the barge so that a load transfer between... | 08/21/1990 |
| 4938163 | Barge connector system A barge connecting system for connecting a first vessel to a second vessel omprising three spaced parallel rectangular shaped plates, the first plate of which is attached to the stern of a lead vessel, and the third plate of which abuts or may be attached ... | 07/03/1990 |
| 4848259 | Electro-magnetic coupling for tow boat and barge An electro-magnetic coupling apparatus for use with a tug and barge tow includes a bumper frame which is pivotally carried by the tug. The bumper frame includes a bearing surface that is positioned to bear against the barge so that a load transfer between... | 07/18/1989 |
| 4827861 | Cable release system for marine craft A towing system adapted for quick and safe release of a towing tug from a barge string. Cable cleats and bits are mounted on the tug and on the barge string to position and support a cable which is connected into a winch apparatus to tightly connect the t... | 05/09/1989 |
| 4784077 | Mooring device A mooring device for barges includes elastic mooring bodies attached to the barges. The elastic bodies are hollow and are adapted for the accommodation of conduits for the transfer of oil, water, electricity, etc., between the barges.... | 11/15/1988 |
| 4587920 | Quick wire coupling and release A quick wire coupling and release primarily adapted to provide a quick, safe and economical coupling of river barges into a tow by use of wire rope with the coupling and release also being capable of use in other applications. The quick wire coupling and ... | 05/13/1986 |
| 4477220 | Method and apparatus for unloading burden from a tow comprised of barges The burden from a tow of breast-tied strings of barges is unloaded by first mooring the tow to an access platform. The hard ties are removed from a first and then remaining string of barges after they are pulled against the platform. The barges of each st... | 10/16/1984 |
| 4449471 | Steering combination of pusher tug and barges The invention relates to a combination of a pusher tug and one or more barge units, whereby each barge unit may comprise one or more barges coupled alongside each other. Between the barge units and/or between the rear-unit and the pusher tug, pivotable pu... | 05/22/1984 |
| 4307678 | Hydraulic quick release system for tub/barge connections A hydraulic quick release system for tightening and releasing tug and barge cable connections in the event of a breakage of a cable. The system comprises a novel hydraulic circuit comprising a pair of hydraulic cylinders mounted on the stern of the tug wi... | 12/29/1981 |
| 4169423 | Marine shunter The present invention relates to a navigational system and in particular, provides for the use of one or more vessels as shunters for maneuvering larger vessels in restricted waterways, each shunter comprising a body portion, a pair of clamping arms with ... | 10/02/1979 |
| 4168672 | Watercraft thrust transmittal apparatus An apparatus for the transmittal of thrust from a powered watercraft having a ship-shaped bow to a powerless cargo-carrying watercraft having a bifurcated stern and a recessed well defined thereby may be fabricated from an elongated thrust transmitting ap... | 09/25/1979 |
| 4166427 | Tightening and securing cables holding barges together By grasping a steel cable with a low cost portable self-tightening clamp that increases its holding force as the tensile pull force increases, one man can tighten steel cables of various lengths having bitter ends by using temporarily a single portable ra... | 09/04/1979 |
| 4117562 | Water walker A water walker for enabling an individual to walk upon water including a pair of elongated buoyant water walker assemblies which can be attached to the feet of the user. Each assembly includes a buoyant flotation member which has a runner longitudinally e... | 10/03/1978 |
| 4106754 | Cable hauling winch This invention is for a winch having a drum for receiving a line. There are two species of the winch. In the first specie, the winch comprises a drum gear and a drum ratchet. There is a driving means for driving the drum gear and the drum. Also, there is ... | 08/15/1978 |
| 4100875 | Connectors A connector for barges and the like is provided in the form of a threaded ratchet tube, a central ratchet drive for rotating said tube, an annular drive wheel surrounding and connected to said tube for rotating the same, separate right and left hand threa... | 07/18/1978 |
| 4055136 | Multi-cell gas-filled bag and method for producing the same A multi-cell gas-filled bag adapted for a dock fender, a connector for lighters and a float for supporting sand-flash pipe in reclaiming can be produced in a simple manner by uniting an inner sleeve made of an elastic rubber, and an outer sleeve made of a... | 10/25/1977 |
| 4023519 | Coupling for marine vessels A thrust coupling connects the stern of a pushed vessel with the bow of a pushing vessel, allowing relative movement of the vessels about a vertical axis. A pair of elongated flexible ropes extend between the vessels, one on each side, and they each have ... | 05/17/1977 |
