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6896565 |
Protective cage for an outboard motor and holding device thereof
Arrangement for protecting an outboard motor. The arrangement includes a holding device which is made of steel and which is adapted to be detachably fixed to a shaft of the outboard motor. The...
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6821167 |
Outboard motor
An outboard motor which includes a driving motor, a switching device, an impeller and a blade casing. The switching device switches rotation of a drive shaft of the driving motor between normal and...
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6716263 |
Air suction device for use in surface boat
An air suction device for a surface boat having a filter element of paper type arranged in an air suction passage of an engine. The filter element is composed of a core made of a filter material...
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6478640 |
Propeller safety guard for outboard and stern drive motors
The Propeller Safety Guard is a wire mesh type enclosure covering the perimeter of the propeller as well as the rear plan of the propeller. The upper section of the guard is bolted to the underside...
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6220906 |
Marine propulsion assembly
A marine propulsion assembly comprises a drive shaft, a first propeller fixed to the drive shaft and turnable therewith in a first direction, an annular array of gear teeth disposed on the first...
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5947782 |
Motorized tubular flotation apparatus
A propulsion apparatus is mounted on at least one end of a flexible tubular flotation member which is mountable about the body of the user. The propulsion apparatus is capable of propelling the...
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5928042 |
Propeller guard
A propeller guard for use in association with a boat propulsion propeller driven by an outboard motor or an inboard/outboard rear motor drive unit. The propeller guard may be constructed of...
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5759075 |
Propeller guard
A guard for a marine propeller utilizing a flange found on the lower drive unit or power leg, thereof. The guard includes a cage which at least partially encloses the propeller and a support member...
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5651707 |
Propulsive thrust ring system
A low-aspect ratio propeller system is provided with a multiple ring structure formed with a plurality of circular or non-circular, annular, narrow equivalent air foil rings which are held by rails...
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5470262 |
Propeller enclosure
The present invention relates to a propeller enclosure for enclosing a skeg and propeller. The invention includes a fence portion which defines a first chamber. The first chamber is designed for...
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5224889 |
Propeller guard
A device to protect the propellor of a boat from damage caused by striking underwater obstacles, when the boat is moving in any direction relative to the obstacles, and to improve the movement of...
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5207605 |
Outboard propeller guard
Two angle brackets secure a severely swept plastic wing-like propeller guard to the sides of the motor housing or skeg. The left and right wing-like projections have a horizontal center wing...
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5205766 |
Propeller guard
A propeller guard for an outboard or stern drive motor having increased rigidity and stiffness is disclosed. The guard comprises an arcuate main spine, a plurality of side ribs and an upright...
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5176550 |
Engine propeller blade and lower unit protector
The propeller and lower unit protector is made from a high grade steel and has a spring like U-shaped top member for sliding in a generally horizontal direction over an outboard engine cavitation...
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D325916 |
Propeller cage for a boat motor
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D322256 |
Propelled guard for boat motor
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D322074 |
Outboard propeller guard
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5066254 |
Boat propeller guard
The propellor guard described herein is designed primarily for the protection of manatee but is also useful in protection against injury to other animals and larger fish which might come in contact...
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5009620 |
Propeller guard
A propeller guard is provided with replaceable ribs that form a cage is placed around the propeller of an outboard marine propulsion unit. The ribs are suspended from a flat upper plate adapted to...
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4957459 |
Propeller shroud with load bearing structure
In a marine drive (10), a propeller shroud is provided by a cage (24) having internal spoke structure (26, 28, 38, 40, 46, 48) and having retainer structure (50, 74) mounting the cage (24) to the...
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4926781 |
Portable personal floatation device
A portable personal floatation device for water sports such as fishing and the like is constructed of a light material such as styrofoam and has a horizontal main panel with an opening for a user...
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4826461 |
Propeller protector
A propeller protector (26) is provided by a two piece hub structure (28, 30). Each piece has an inner arcuate portion (32, 34) substantially conforming to the side of the torpedo housing (14) of...
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4726183 |
Self retracting screens for turbomachinery
A self retracting screen for turbomachinery comprised of a number of interlocking wires, the wire ends being pivotally attached to the periphery of the normal inlet of the turbomachinery....
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4718871 |
Aquatic growth cutter
An upper and a lower blade are fixed together at an adjustable angle and have means for mounting same on the leading edge of the propeller drive housing of an inboard/outboard motor to cut kelp and...
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4680017 |
Motorboat propeller guard for improved performance
A propeller guard includes a rigid U-shaped sleeve which has a pair of legs extending on either side of the lower housing in the motor. The cavitation plates on the lower housing are received...
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4411631 |
Propeller guard
A vessel, in particular a ferry, intended for use in ice-filled waters, is provided with a propeller guard having the form of a rigid grid construction and being arranged to enclose one or several...
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4223627 |
Propulsion device for embedding in an iceberg
The device comprises an assembly of three principal components, a member for embedding in the rear wall of a tabular iceberg at some depth below the water line, a support structure projecting...
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4106425 |
Marine propulsion unit with protected screw
The screw of a marine propulsion unit is mounted in a passage of an elongated casing in an axially central position. The two axially terminal portions of the passage contain protective devices for...
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4078516 |
Propeller guard
A cage-type enclosure is provided for the lower end portions of the upstanding power leg of an outboard marine propulsion unit from which the propeller of the unit is journaled with the cage...
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4070984 |
Outboard motor and weed guard therefor
An outboard motor provided with a horizontally elongated marine propeller drive housing having a shaft journalled therein and a marine propeller mounted on the rear end of the shaft. A weed guard...
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4013033 |
Weed guard for trolling motors
A truncated cone-shaped hollow body is provided and defined by a plurality of graduated size and axially spaced circular band portions interconnecting with a plurality of elongated...
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3889624 |
Retractable propeller guard for outboard motor or stern drive unit
A clamp-type mounting bracket including front and rear ends is provided for clamping engagement about the lower portion of the upstanding power leg of an outdrive marine propulsion unit of the type...
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3859953 |
ELECTRIC TROLLING MOTOR WEED GUARD
A weed guard made of metal rods sits or clamps on an electric trolling loader. Aquatic weeds are gently swept around the propeller instead of becoming entangled with the propeller shaft.
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3802377 |
LOWER UNIT WEED GUARD
A truncated cone-shaped hollow body is provided and includes a plurality of axially spaced circumferential rows of openings formed therethrough. The body is further provided with a longitudinal...
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3791333 |
AIR MOTOR
A guard structure for the air-moving propeller of a marine air motor for over-water propulsion utilizing a combustion engine operatively connected to such propeller for rotating the same, in which...
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3358635 |
Swimmer's towing device
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3161173 |
Water craft and propulsion means therefor
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3149605 |
Outboard propulsion unit steering assist apparatus
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3111109 |
Water cycle swimming apparatus
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3035538 |
Propeller guards
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2983246 |
Propeller guard for outboard motorboat
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2822183 |
Wheeled propeller sheath
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2791981 |
Boat
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