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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 440/101 - OAR OR PADDLE


Subclass of Class 440 - Marine propulsion
Definition: Device wherein the propelling means consists of a long shaft,
No. of patents: 110
Last issue date: 01/24/2012


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NumberTitleIssue Date
6419601Squeeze actuated hand interface systems for rotatable items
Hand interfaces (11), (111), (188), (201a), (201b), (202a), (202b), (204), (211), (311), (411), (511), (611), (711), (811), and (911), which improve the performance of many items including: racquets for tennis and other sports; rotary hand tools such as s...
07/16/2002
6398603Aquatic propulsion device
An aquatic propulsion device includes an elongate member secured to a forearm support and a paddle. The paddle and elongate member include a grip positioned such that a person may place their forearm in the forearm support and reach and hold onto the grip...
06/04/2002
6328617Kayak paddle
A kayak paddle with improved performance features is provided. The kayak paddle includes a smaller diameter shaft than that generally used. This allows the placement of grips on the shaft. The rips have one or more finger and thumb indentations such that ...
12/11/2001
6325727Aquatic golf swing training device and method for enhancing golf swing memory and strength
A golf swing training device and a method of its use in an aquatic environment. The device includes a manually grippable handle secured to a shaft that has integrally secured thereto adjacent the handle a hydrodynamically adjustable paddle that may be man...
12/04/2001
6264519Aquatic propulsion device
According to one aspect of the invention an aquatic propulsion device is provided comprising a harness to be worn on the body of a person, at least a first elongate member, and at least a first paddle. The first elongate member has first and second oppose...
07/24/2001
6261141Ergonomic kayak paddle
A kayak paddle with a generally straight shaft that is preferably about 0.7 inches in diameter, the shaft is also conically tapered at either end. A left hand grip and a right hand grip are mounted on the shaft, and there is a blade at either end of the s...
07/17/2001
6254444Contoured paddle for water sports
An improved paddle for use with shallow draft watercraft, including kayaks, canoes, rafts, and the like, having a paddle blade with surface topography for geometrically channeling water across the surface of the blade when in use so as to reduce user fati...
07/03/2001
6210244Split-bladed propulsion apparatus
An improved propulsion apparatus for use in propelling shallow draft watercraft and adaptable for use as either an oar or a paddle, said apparatus comprising at least one split blade. The split blade has a front and at least one back blade section, each o...
04/03/2001
6129600Paddle floatation apparatus for kayak self rescue
An improved paddle floatation apparatus comprising a unitary inflatable sleeve that fits over a kayak or other shallow draft watercraft paddle blade. When installed on a paddle blade, the entire paddle may be configured as an outrigger to assist the user ...
10/10/2000
6126500Oar handle
An oar handle is used in sweep rowing. Sweep rowing is when a single oar is pulled by both hands of a single rower. The oar handle has a support which at one end can be secured to the end of the shaft of a sweep rowing oar. A handle bar having a pair of h...
10/03/2000
6042438Ergonomic canoe paddle
The invention is an ergonomic canoe paddle. The paddle includes a shaft having a shear side and an opposed drag side, a blade having a shear surface and an opposed drag surface, wherein the blade is secured to a bottom end of the shaft so that the shear s...
03/28/2000
6027386Combination paddle and water syringe
A hand operated boat propulsion device (paddle or oar) that may also be used to draw and spray water. The device may also be used as an air pump....
02/22/2000
6022255Universal kayak/canoe paddle
There is provided a kit for forming an adjustable paddle which, in kayak embodiment, includes a first paddle end and a second paddle end each having a blade an a shaft, an intermediate connecting shaft telescopically engaging the shafts of the paddle ends...
02/08/2000
5908339Modular gas-driven power distribution system
A modular, gas-driven power distribution system includes a gasoline-operated module delivering power to a connector having a rotatable element enabling a plurality of mechanical devices to be detachably coupled to the connector to receive power through th...
06/01/1999
5902162Combination paddle and squirt gun
This aquatic sporting device can be used by paddlers of water crafts or boats to paddle their craft or alternately use their paddles as quick-action squirt guns or water cannons with high range and high water exchange rate. The ridged paddle is transforme...
05/11/1999
5851132Kayak paddle with rotating handles
An improved kayak paddle for recreational or competitive paddling, which has handles affixed perpendicular to the shaft or shafts, which handles rotate on axles as the paddle is used, to reduce twisting of the wrists and other joints of the paddler and im...
12/22/1998
5842830Hollow shaft kayak paddle
A kayak paddle with a hollow wooden shaft featuring reduced weight and improved strength. The shaft is formed from lineal segments which run the entire length of the paddle shaft and are joined to form a closed shaft structure. A helical twist can be intr...
12/01/1998
5842896Hand operated paddle
A paddle for use with a hand and forearm of a user is provided. The paddle has a paddle blade of a length shorter than its width, and generally encompasses an area approximating the span of the hand of a user. A support which provides support for the wris...
12/01/1998
5830024Boat paddle having lateral force transmitting rib
A paddle for watercraft is provided which has an elongate shaft on which is provided a handle. A blade is in fixed relation with the paddle handle and defines blade edges and opposed blade sides. A lateral force transmitting steering rib projects from one...
11/03/1998
5820424Ergonomically improved kayak paddle
An ergonomically improved kayak paddle and a method for making the same is provided which improves the overall strength of the paddle while substantially reducing hand and arm fatigue for a user. The kayak paddle utilizes non-concentric gripping regions b...
10/13/1998
5795201One-handed canoe paddle
This one-handed canoe paddle is comprised of a blade portion, a hand grip portion, and an arm cuff portion. The hand grip is integral with the blade and is at an angle to the centerline of the paddle approximating the angle which a closed hand makes with ...
08/18/1998
5713294Inflatable boat
An inflatable boat comprises an inflatable body, at least one inflatable wing member and at least one holding device. The inflatable wing member is attached onto the inflatable body, while the holding device is connected to the inflatable wing member. Fur...
02/03/1998
5649845Flapping paddle and vertical stabilizer for swimmer
A swimming paddle assembly has a long shaft with a rigid blade at each end. A pair of resilient flaps are attached to the leading edge of each blade, one on each side, so that as the swimmer pulls first on one side of the shaft and then the other side, on...
07/22/1997
5558553Water walking device, hull and stock thereof
A water walking device consisting of a pair of hulls with footwells, and a pair of stocks. A water surface blade at the rear of the hull is formed in a concave shape pointing towards the front of the hull. The underwater blade at the rear of the vertical ...
09/24/1996
5482434Wave paddle
A more efficient paddle construction having a blade and a stem extending there from and wherein the blade has a rippled like surface which are latitudinally running wave like curled fins. This arrangement is such that there is a greater resistance to the ...
01/09/1996
5387143Hand grip for an oar
A grip for a sculling oar having an elongated elastic tubular body with a truncated elliptical profile or shape. The tubular body has an open end for receiving an oar handle and an opposite closed end with a thumb depression contoured into the outer surfa...
02/07/1995
5364296Simultaneous double-bladed kayak paddle
A paddle for a narrow canoe or kayak-type boat has a crossbar the end portions of which extend downwardly to create an inverted U-shape, with the blades being at the lower ends of U. Handgrips, preferably including either forearm rests or wrist rests for ...
11/15/1994
5348503Underwater paddle and vertical fin for swimmer
A swimming aid includes a paddle with two blades for alternating arm strokes and a vertical blade attached to both feet for side to side leg motion in cooperation with the arm strokes. The two paddle blades are at opposite ends of a hand held shaft. Each ...
09/20/1994
5322462Combination oar and bilge pump
Disclosed is a combination oar and bilge pump which serves as an oar when the apparatus is in a locked first position and when in an un-locked second position becomes a bilge pump by plunging a second tube member having a plunger on its inner end, inward ...
06/21/1994
5249996Oar stop sound dampener
An oar stop sound dampener which minimizes the sound produced during the rowing of a boat. It is composed of a flexible, solid, closed-cell foam and is placed on the shaft of the oar adjacent to the oar stop on the side toward the paddle. The dampener is ...
10/05/1993
5181872Emergency propulsion device
The device is an alternative to the conventional paddle or oars, and comprises a collapsible scoop and a handle-shaft. The scoop has top and bottom panels 14,16, hinged together along one edge 18, and side-panels. The side-panels 20 are foldable, and allo...
01/26/1993
5163778Combination paddle, hook and pump and method therefor
A combination paddle, hook and pump is disclosed wherein the hook is located at one end of the paddle and is contoured to permit smooth paddling action by the paddle. The hook can be rotated from a closed, non-hooking position to an open, hooking position...
11/17/1992
5157854Paddle-fish landing net combination
A paddle-fish landing net combination which includes a hollow paddle-shaped housing having a handle opening in an upper side thereof, and a net opening in its opposite, lower side. An elongated handle extends slidably through the handle opening and has an...
10/27/1992
5114371Water paddle and flotation device for use by swimmers
An improved paddle assembly and flotation device for use by a swimmer to assist in propelling the swimmer through the water. The paddle assembly is of the type which has a central float and a pair of paddles supported by a rod extending outwardly from the...
05/19/1992
5114144Composite baseball bat
A wood composite baseball bat is formed by overlaying a central core of foamed plastic or extruded aluminum with an inner layer of resin-impregnated fiber knitted or woven cloth and then an outer layer consisting of longitudinally extending planks of resi...
05/19/1992
5074815Lifesaving equipment
An improved storage container for a lifesaving device is provided herein. Such storage container includes the combination of an oar or paddle, the upper end of which is hollowed-out, to give a pocket of sufficient dimension to accommodate an inflatable li...
12/24/1991
5062816Aquatic sporting device
An aquatic sporting device, designed for use with one arm, is formed of three removably attached sections including a paddle blade, a forearm brace, and an elongate longitudinal shaft between the blade and brace. The brace is offset both longitudinally an...
11/05/1991
5042805Sports implements with a long handle or portion
A golf club includes a grip, shaft, and head. Within the shaft is disposed a spiral groove in which is disposed a coiled spring formed of a shape-memorizing alloy. Epoxy resin fills the groove and overlies the spring. The spring increases the strength of ...
08/27/1991
5041037Oar
An oar includes a blade portion, a loom including a grip, and a connecting member for connecting the blade portion and the loom together. The blade portion includes a frame and two blades. The frame includes two parallel vertical plates, a front plate, a ...
08/20/1991
4955839Oar for racing shells and method of making same
A resin and transfer molding technique is used to fabricate, in a unitary fashion, a synthetic oar that has as a core, polyurethane and a longitudinal rigid rectangular spline preferably sitka spruce which transverses orthogonally and extends along the lo...
09/11/1990
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