Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7993222 | Table-tennis bat(pen-holding type) The inventions published consist of ‘split-level step’ between bat handle and contact section. This said step provides the newly inventions here the concept of critical holding points (called as C.H.P.)for the thumb, forefinger and any of other three fingers. Th... | 08/09/2011 |
| 7798925 | Double-sided ping pong paddle A paddle, including a pair of lateral members connected by a mounting structure which extends transversely between the lateral members and is spaced proximately equivalent to the height of a player's hand, from the palm to the back of the hand. The height of the mou... | 09/21/2010 |
| 7559861 | Racket, blade and rubber for table tennis A table tennis racket includes a rubber (4) attached onto a blade (3) and easily removable without releasing any air-polluting gas. Opposing surfaces of the blade (3) and the rubber (4) have fine pores and lands of a micro-foam material, ... | 07/14/2009 |
| 7402117 | Racket with a center of gravity approximate to a center of a rubber sheet A racket is described, with a center of gravity thereof being approximate to a center of a rubber sheet of the racket, and a center of gravity that moves approximately to the center of rubber sheet and is located in a high ball-strike area. The racket has a substant... | 07/22/2008 |
| 7309299 | Sports racquet with frame openings A sports racquet has a plurality of opposed string holes for anchoring the ends of the strings, at least one pair of contiguous string holes are replaced with an enlarged string hole having opposed bearing surfaces for securing the ends of a pair of contiguous strin... | 12/18/2007 |
| 7273429 | Ball game device A ball game device comprising a body 10 adapted to receive a hand 24 and a wrist 25 of a user 26, the body 10 presenting two hitting surfaces 14 for hitting a ball 20. The body 10 comprises two panels 12... | 09/25/2007 |
| 7211032 | Air resistance exercise device Exercise device and method in which one or more generally planar blades with major surfaces are attached to the ends of an exercise bar. The bar is gripped with the hands and moved in a direction generally perpendicular to the major surfaces, with movement of the ba... | 05/01/2007 |
| 7204770 | Table tennis racket The present invention relates to a table tennis racket comprising a core of synthetic material and a covering fitted onto said core by overmolding or by co-molding. According to the invention, the core is in the form of a single piece presenting a tubular handle and... | 04/17/2007 |
| 7150692 | Sport good of composite material with lighter weight and greater rigidity A sport good, such as hockey stick, Ping-Pong bat, baseball bat, ski stick and so on, has a rigid member made of a composite material. The rigid member has a chamber therein, in which a high-pressure gas is filled to make the sport good having both properties of lig... | 12/19/2006 |
| 7128698 | Air resistance exercise device and method Exercise device and method in which one or more generally planar blades with major surfaces are attached to the ends of an exercise bar. The bar is gripped with the hands and moved in a direction generally perpendicular to the major surfaces, with movement of the ba... | 10/31/2006 |
| 7008338 | Durable high performance hockey stick A hockey stick comprises a shaft and a blade. The blade is configured to impact and exert energy on a hockey puck. The blade comprises a core that is generally enclosed within an outer layer. The core comprises a foam-filled cell structure having cell walls that def... | 03/07/2006 |
| 6969329 | Table tennis paddle with two handles A novel paddle for use in racquet sports, and particularly table tennis. The paddle features two handles, that are designed to use a novel very secure grip with more relaxed hand to compare with conventional paddles and the blade of the paddle angled down and backwa... | 11/29/2005 |
| 6551206 | Multi-purpose racket A multi-purpose racket. The multi-purpose racket includes a striking blade and a shaft. The striking blade includes a hollow substrate consisting of first and second flat sheets and partition walls successively arranged between the two flat sheets to form... | 04/22/2003 |
| 6461259 | Table tennis bat with adjusting gravity mechanism The table tennis bat with adjusting gravity mechanism of the present invention, whose center of gravity can be varied dependent on player's habitual behavior or usual practice to be suitable for each table tennis player's demand, comprises a blade body, a... | 10/08/2002 |
| 5961404 | Bat A perforated bat for playing games such as paddle tennis, tether ball and others, has a monolithic unstressed striking head which comprises a pair of outer lattices which form the striking surfaces; and these lattices are joined by a third internal core l... | 10/05/1999 |
| 5839979 | Bat for ball game A bat in the form of a sleeve can be slid over the hand of a player so that the latter can play as in tennis, on any type of ground, with or without a bounce on the ground. The bat (1) comprises an upper sleeve element (5) and a lower sleeve element (6) j... | 11/24/1998 |
| 5816580 | Electronic paddle game An electronic paddle that requires a player to strike an object with the paddle in a certain sequence. The electronic paddle includes a paddle that contains a game circuit and a speaker. The game circuit is connected to a first pressure sensor located on ... | 10/06/1998 |
| 5672131 | Electronic paddle game An electronic paddle that requires a player to strike an object with the paddle in a certain sequence. The electronic paddle includes a paddle that contains a game circuit and a speaker. The game circuit is connected to a first pressure sensor located on ... | 09/30/1997 |
| 5584479 | Basketball net device A basketball net device for mounting on a raised basketball hoop including a generally tubular netting having upper net cords. A flexible annular member made of plastics material includes a hoop engaging portion which is generally channel-shaped in cross-... | 12/17/1996 |
| 5584487 | No bounce no dunk air ball recreation game A competitive recreational game including: a foam game ball with symmetrical air holes throughout; a ball striking instrument selected from a choice of a racquet, a paddle or a pair of hand fitted foam mitts; an apparatus frame consisting of bases for a f... | 12/17/1996 |
| 5533724 | Sport rackets A sports racket has a handle 10 and two different playing surfaces 11 and 12. The same racket can therefore be conveniently used for different sports or recreations, or used for different purposes or different scoring in a single recreation.... | 07/09/1996 |
| 5431394 | Multi-dimensional ball-striking paddle A multi-dimensional ball-striking paddle consisting of a frame, handles on the frame, a primary ball-striking surface affixed to the frame, and a plurality of secondary balls striking surfaces extending transversely to the primary ball-striking surface.... | 07/11/1995 |
| 5409213 | Sport paddle providing the effects of sound and light A sport paddle is disclosed having a circuit board substrate inside the handle which has a sound light circuit, a counter circuit, and a radio circuit. The opening and closing of the sound light circuit and the counter circuit are controlled by a vibratio... | 04/25/1995 |
| 5368306 | Game for improving eye-hand coordination A paddle and ball game, consisting of a paddle with an attached cup-shaped member and a ball, that develops eye-hand coordination, agility, reflexes and concentration.... | 11/29/1994 |
| 5350332 | Combined toy bat and windmill A combined toy bat and windmill which has a toy windmill which is rotatably mounted in a transparent hollow bat through which a number of holes are formed, so that the toy windmill is rotated by means of air which flows through the holes when the hollow b... | 09/27/1994 |
| 5316296 | Shock-absorbing game racket An energy-absorbing game racket designed as a pair of planar surfaces extending from a handle constructed as a sandwich design within a frame, with a set of coil springs compressed within the space defined between opposing surfaces. One of the surfaces is... | 05/31/1994 |
| 5261673 | Polyfunctional racket for use in the game of hit and catch An article with a polyfunctional front surface is adapted for use in the game of hit and catch with a projectile having an outer surface defined by a multitude of irregular filamentary formations for releasably engaging a mating surface. The article inclu... | 11/16/1993 |
| 5256136 | Carpal tunnel appliance Compression of the median nerve is relieved or prevented with a glove having a contoured major surface for receiving a hand for treatment. A wall intersecting the major surface includes a first wall portion for positioning the index finger and a second wa... | 10/26/1993 |
| 5080374 | Articles of play for use in the game of hit and catch Articles of play including a racket having a handle portion and a board portion integrally formed together, the board portion including a plate, a flexible layer and a front layer coupled together, the front layer having all of its front surface defined b... | 01/14/1992 |
| 5027439 | Dual-mode athletic glove A dual mode athletic glove that includes an outer shell contoured to define a body section having finger sections radiating therefrom, the front surface of the body section forming a palm zone. Disposed within the outer shell and conforming thereto is an ... | 07/02/1991 |
| 4940230 | Universal handle A handle for various sport articles, especially for various bats, rackets and swords, is disclosed, which comprises a spheroid (1) with circular or other curved outline is disposed transversely at the upper portion of the handle, a half spheroid (3) being... | 07/10/1990 |
| 4368890 | Paddle game apparatus A paddle apparatus (10) for use in a paddle ball game is disclosed. The apparatus (10) includes a generally planar paddle member (14) mounted at one end of an elongated handle (20) or grasping member. At the opposite end of the handle (20) a frame (34) ha... | 01/18/1983 |
| 4353550 | Paddle ball racket with adjustment for flexing Paddle ball racket with flexing adjustment. A paddle member has a handle portion. First and second metal plates shaped like the handle portion are mounted on the sides of the handle portion. First and second screws are mounted in the upper portion of the ... | 10/12/1982 |
| 4130277 | Composite paddle rim A composite protective rim for protecting a game paddle and the participants utilizing the game paddle is provided. The protective rim is for a game paddle having a handle and a blade for surrounding at least a portion of the periphery of the blade. The p... | 12/19/1978 |
| 4062541 | Paddle construction An improved game paddle construction, utilizing a wood core and metal skin layers is provided. The wood core defines an integrated blade portion and handle portion, the blade portion of the wood core having a uniform thickness defined by opposed substanti... | 12/13/1977 |
| 3954266 | Aerial dart and paddle game By providing a suction cup dart or shuttlecock in combination with a hand-held paddle or target which incorporates a dart-adhering or holding zone and a dart-rejecting zone, a unique game is provided. Furthermore, the suction cup portion of the dart or sh... | 05/04/1976 |
| 3934876 | Game racket Game racket having a rigid open cellular network defining the contact surface rather than the conventional stringing, the network and a frame being cast as a single unit and a resilient cylindrical grip being forced over a handle of rectangular cross sect... | 01/27/1976 |
