U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

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 applications: 27
Last issue date: 02/02/2012


Application No.Application TitleIssue Date
20120028518Adjustable paddle for watercrafts
This disclosure is directed to a paddle for a watercraft having an adjustable shaft with upper and lower telescoping shaft portions. A lever in the palm grip applies tension to a cable to compress a plug at the end of the upper shaft portion to frictionally engage the l...
02/02/2012
20110195622Oar Apparatus and Method of Use
An apparatus and method for allowing a fisherman to utilize an oar or paddle while maintaining possession and control of a fishing pole rod and fishing reel. The oar or paddle is designed to be an integral member with or affixed to the fishing pole rod and fishing reel ...
08/11/2011
20110189910Sleeve Arrangement for an Oar
FIG. 1 depicts a sleeve arrangement 10 fitted to the shaft 12 of an oar. The sleeve arrangement includes an outer sleeve consisting of first sleeve shell 14 and second sleeve shell 16. The sleeve arrangement 10 further includes ...
08/04/2011
20110065341Push Paddle
A push-paddle has a buoyant wedge-shaped push-block attached to the bottom end of a pole. When pressed into the water wedge-end first, the push-block provides high drag and buoyant force for the user to push against and propel a watercraft using a punting-like motion. A...
03/17/2011
20100279560PADDLE BLADE AND SHAFT I-BEAM JOINT
A paddle including a shaft having a distal end, the distal end ending in a protrusion; and a paddle blade having a proximal end joined to the distal end of the shaft, the proximal end having an inner surface and at least one internal longitudinal slot disposed adjacent ...
11/04/2010
20100167606FORCE SENSING OAR
A system for determining the magnitude of force applied to an oar by a rower as the oar is pulled through water includes a deflection sensor and a temperature sensor mounted on an oar shaft to determine deflection and temperature of a portion of the oar shaft during row...
07/01/2010
20100124859Compound rotational grip
An improved paddle apparatus for standup paddling of surfboards or like water craft, having a plurality of hand grip portions rotatably mounted relative to the paddle shaft, and a means of paddling whereby the operator can ergonomically paddle with greater power and con...
05/20/2010
20100104448FLOW RESTRICTIVE EDGE PROFILE EXHIBITED UPON A SURFACE OF A FLUID PROPELLED/PROPELLING IMPLEMENT
A flow restrictive edge profile applied to a fluid propelled/propelling implement and for creating increased driving force as a blade interacts with a fluid medium. An arcuate blade face pattern, including such as a “horseshoe” or modified “U” shape profile, is ...
04/29/2010
20100056000METHOD AND SYSTEM FOR PROVIDING AND USING A POWER PADDLE
A paddle and a method for using the paddle are described. The method and system include providing a first resistance surface and at least a second resistance surface. The first resistance surface includes at least one aperture therein. The second resistance surface(s) a...
03/04/2010
20100009580FLEXIBLE OAR
The invention relates to a flexible oar in which the spoon that contacts with the water has a hard edge made from a conventional material and a soft, resilient, flexible core which is stretched upon impact with the water, thereby increasing the pressure applied by the c...
01/14/2010
20090280702System of easily interchangeable handles for oars
The present invention is a system of easily interchangeable handles for oars used in the sport of crew....
11/12/2009
20090211142Oar apparatus and method of use
An apparatus and method for allowing a fisherman to utilize an oar or paddle while maintaining possession and control of a fishing pole rod and fishing reel. The oar or paddle is designed to be an integral member with or affixed to the fishing pole rod and fishing reel ...
08/27/2009
20090197485Watercraft And Method For The Operation Of A Watercraft
A watercraft (1) includes at least two oar handles (3a, 3b) which are designated to be actuated by a passenger of the watercraft in order to propel the same. A considerably expanded functionality is achieved in such a way that the oar ...
08/06/2009
20090186536LEVER POWERED WATERCRAFT
Embodiments of the disclosure include a flotation device or watercraft propelled through the water using a lever powered propulsion system. The lever powered propulsion system includes human powered actuating levers operably connected to a reciprocating propulsion devic...
07/23/2009
20090036007Sculling oar handle cover
The sculling oar handle cover is used to reduce friction between a sculling rower's fingers/hands and the existing sculling oar handle during rowing, thereby reducing the risk of blisters and other damage to the skin. The cover is affixed to the existing oar handle by s...
02/05/2009
20090004935Winged oar or paddle
My invention is a handy oar or paddle, which is used by hand. The invention is used to help the boat move forward on the water while we are sitting in the boat. The invention's goal is to move forward faster with the boat using the oars or paddles, while not using extra...
01/01/2009
20080254691Kayak paddle
A kayak paddle for increasing paddle stroke efficiency and for improving comfort in paddle handling has a pronounced bent blade to length design of the paddle blade, as compared with prior paddle blades. The paddle has two blades, one blade secured at its top end to eac...
10/16/2008
20080242163Articulated oar system
An oar system is provided that keeps the blade of the oar at approximately 90 degrees to the centerline or keel of a boat throughout the normal power producing stroke. This reduces the lost effort that is expended when operating oars whose blades are fixed to the oar sh...
10/02/2008
20080057802BUOYANT SAFETY PADDLE AND METHOD OF MANUFACTURE THEREOF
A buoyant safety paddle (11) for a kayak, a canoe or other small boat facilitates kayak deep-water self-rescue reentries and facilitates the movement of small boats over aqueous surfaces. Such buoyant paddle displaces significant volume while minimizing weight el...
03/06/2008
20070224894Power Paddle
This invention relates to a paddle for a water vehicle that is powered by a power tool. The paddle is suitable for use alone for manual movement of a water vehicle but can be attached to a power tool for mechanical movement across water....
09/27/2007
20060292939Method for manufacturing bound printed products such as books, journals, magazines and the like, performed at least partially dependent on a working cycle
In a method for at least partially cycle-dependent manufacturing of bound printed products by adhesive binding printed sheets in a spine area of an book block or by stitching with staples folded edges of printed sheets collected astraddle, a sequentially double-sided di...
12/28/2006
20060286878Rowing or sculling oar handle
A rowing or sculling oar handle in which when the handle is orientated for a stroke it has an axial cross-sectional shape with a greater horizontal extent than vertical extent, and in which an underside of the axial cross-sectional shape is provided with an abutment. ...
12/21/2006
20060003645Paddle hand grips and method for making and using same
A comfort hand grip for a shaft comprises a tubular member formed of a closed cell resilient polymer material core; and a water resistant coating on each side of the core. The comfort grip is sized so as to be slightly stretched when positioned on a shaft, and includes ...
01/05/2006
20050227554Paddle blade, shaft and grip
A paddle includes a shaft, a blade, and a grip. The blade includes a skeleton to reinforce the blade and an outer surface secured to the skeleton. The skeleton and the outer surface are made of the same and/or different injection molded materials and/or of composite mat...
10/13/2005
20050153606Means and Apparatus for Ergonomic Water Paddle with Dynamic Rotating Grip
An improved paddle apparatus for kayaks, canoes, or like water craft having a plurality of hand grips mounted to allow dynamic rotation relative to the paddle shaft to allow the wrist to remain in a natural position while paddling and still allow full power to be transf...
07/14/2005
20050101200Paddle blade
A paddle blade that is actuatable with respect to a paddle shaft between a deployed state and a folded state. In use, during the power stroke of a paddling action, the action of the water on the blade causes the blade to adopt the deployed state in which the blade perfo...
05/12/2005
20050020153Paddle and method of manufacture thereof
A paddle for a kayak, a canoe or other small boat has a shaft with a handle portion which extends from one end of a blade and a tongue portion formed by cutting away a section of the sidewall of the shaft to provide a chamber which extends along a surface of the blade. ...
01/27/2005
 
Sign InRegister
Username  
Password   
forgot password?