Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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.
| Number | Title | Issue Date |
| 8033930 | Weight element for a golf club Wood-type golf club heads (e.g. drivers, fairway woods, wood-type hybrid clubs, or the like) include: (a) a ball striking face; (b) a club head body engaged or integrally formed with the ball striking face, wherein the club head body includes a crown portion, the cr... | 10/11/2011 |
| 7371191 | Golf club head A hollow golf club head having a face portion for hitting a golf ball comprises a main body made of at least one kind of metal material, said main body having the face portion and at least two openings, and cover m... | 05/13/2008 |
| 7354355 | Golf club head or other ball striking device with modifiable feel characteristics Ball striking devices, such as golf club heads (including putter heads), include devices within and/or otherwise engaged with the ball striking head that allow users to selectively change the sound and/or other aspects of the “feel” associated with using the bal... | 04/08/2008 |
| 7347793 | Weight-balanced golf putter head A golf putter head is generally triangular, when viewed from the top, with a flat, front face and a trailing, central tail. When viewed from the side, the head has a generally straight front face and a flat or slightly curved or rounded bottom surface. The shaft for... | 03/25/2008 |
| 7344450 | Method for adjusting the center of gravity of a golf club head A metal golf club head that allows a user to customize the location of the center of gravity. The metal golf club head comprises a hollow body with a weighting port. The weighting port allows a user to place weighting material inside the hollow body, customizing the... | 03/18/2008 |
| 7314067 | Design and manufacturing method for multi-material tube structures The present invention provides an improved tubular structure which uses the properties of different materials, such as stiffness, strength, and density are exploited in a manner which combines the most attractive characteristics of existing metal and composite tubes... | 01/01/2008 |
| 7309297 | Inside weight system for golf mallets or blades A weight system for a golf club. The golf club has an impact head, which is swung by a golfer to strike a golf ball. The weight system has at least one cavity within the impact head of the golf club; a plurality of weights, shaped and dimensioned to slidingly fit wi... | 12/18/2007 |
| 7258629 | Connecting structure for welding a club head component to a golf club head body A golf club head includes a golf club head body and at least one club head component. The golf club head body provides with an assembling opening which includes a welding inner circumference, a supporting bottom periphery and a tapered portion. The club head compone... | 08/21/2007 |
| 7189169 | Customizable center-of-gravity golf club head A golf club head that allows a user to customize the location of the center of gravity. The golf club head comprises a club head having a hollow cavity with a weighting port. The weighting port allows a user to place weighting material inside the hollow cavity, cust... | 03/13/2007 |
| 7186185 | Gold club with customizable alignment sighting and weighting device A customizable alignment sighting device for a golf club is mounted to an upper surface of the head of the golf club with a sighting element providing the user a visual target indicator for desired alignment of the club head with the user's line of sight. The sighti... | 03/06/2007 |
| 7172513 | Tool for determining optimal putter characteristics A tool has an adjustable lie angle, face angle, weight, and shaft length and is used by a golfer to adjust a putter to the optimal lie angle, face angle, weight and shaft length for that golfer. The tool head has a face plate and a sole disposed normal to one anothe... | 02/06/2007 |
| 7108609 | Golf club having a weight positioning system A golf club head is disclosed that includes weight positioning system for modifying a position of a center of gravity of the golf club head. The weight positioning system includes a weight and a support. The weight is independently movable along the support to chang... | 09/19/2006 |
| 7048647 | Iron type golf club head with spatially laminated weights An iron type golf club head includes a plurality of weights mounted at a rear side thereof in a spatially laminated array. The club head includes a front impact face oriented at a selected loft angle for striking a golf ball, and a rear side having an integrally for... | 05/23/2006 |
| 7048639 | High moment of inertia putter A golf putter head has a generally triangular shape where a ball-striking leading wall has a first breadth greater than a second breadth of a trailing wall. The leading wall and trailing wall are interconnected at their respective opposite ends by sidewalls that con... | 05/23/2006 |
| 7037213 | Golf club head The present invention provides a golf club head, in which a stable high-inertia moment is generated at the time of down swinging and impacting of a golf club, thereby reliably achieving the effect of increase in driving distance. A golf club head has a plurality of ... | 05/02/2006 |
| 7025117 | Golf club head A golf club head of the present invention. A cast head body 31 is constituted by a hollow outer shell. Said hollow outer shell define a top portion 35, a sole portion 37, a heel wall 45, a toe portion 39 and a face opening portion ... | 04/11/2006 |
| 7022029 | Golf club head with filled cavity A golf club head has a hollow body with a front, striking face, a rear face, an upper face, a heel and a toe, and an open lower end, the body having an internal cavity. At least one filler member of solid cork or synthetic cork material cut to match the shape and di... | 04/04/2006 |
| 7004852 | Customizable center-of-gravity golf club head A golf club head that allows a user to customize the location of the center of gravity. The golf club head comprises a club head having a hollow cavity with a weighting port. The weighting port allows a user to place weighting material inside the hollow cavity, cust... | 02/28/2006 |
| 6988955 | Golf putter The present invention provides an improved golf putter for increasing alignment and feel in the putting stroke which includes a club head having a body and a forward ball striking surface and a club shaft having a handle, the shaft connected to and extending upwards... | 01/24/2006 |
| 6929559 | High moment for inertia putter having three weights A golf putter head of triangular shape. A ball-striking leading wall has a first breadth greater than a second breadth of a trailing wall. The leading and trailing walls are interconnected at their respective opposite ends by sidewalls that converge toward one anoth... | 08/16/2005 |
| 6896625 | High moment of inertia putter having adjustable weights A golf putter head of triangular shape. A ball-striking leading wall has a first breadth greater than a second breadth of a trailing wall. The leading and trailing walls are interconnected at their respective opposite ends by sidewalls that converge toward one anoth... | 05/24/2005 |
| 6855067 | Golf club with hosel cavity weight A metal wood-type golf club has a hollow body with a hosel bore disposed in the heel end. A hosel bore weight, selected from a plurality of hosel bore weights of different mass, is inserted into the bottom end of the hosel bore. Thereafter, the tip of a golf club sh... | 02/15/2005 |
| 6306048 | Golf club head with weight adjustment A golf club head includes a plurality of exterior walls which define a hollow interior cavity. The golf club head further includes an interior wall structure extending from one of the walls into the interior cavity. The interior wall structure defines a c... | 10/23/2001 |
| 6059669 | Golf club head having performance-enhancing structure A golf club that is preferably made from fiber-reinforced plastic composite by an injection molding process. The preferred golf club head includes a striking face for striking a golf ball, an outer periphery, a cavity formed between the outer periphery an... | 05/09/2000 |
| 6015354 | Golf club with adjustable total weight, center of gravity and balance Improved golf club heads including irons, woods and putters have built-in provisions to change the weight of the golf club head including a way to increase, decrease or adjust the position and the amount of weights in a selected golf club head so as to en... | 01/18/2000 |
| 5871407 | Club head for a golf putter A club head for a golf putter including a body portion having a top and a bottom, characterized in that the bottom has a horizontal surface at a central portion thereof, two first inclined surfaces extending upwardly from two sides of the horizontal surfa... | 02/16/1999 |
| 5803830 | Optimum dynamic impact golf clubs Non-conventional clubhead designs for driver, fairway clubs (woods), irons, and putter type golf clubs wherein the maximum (optimized) clubhead mass and centralized balance/momentum control mechanism are coincident with the clubhead center of percussion i... | 09/08/1998 |
| 5746664 | Golf putter A golf club, such as a putter, utilizes removable shafts, removable weights in the shaft grip end, a variable length adapter to connect the shaft to the putter head and vary the shaft end weight, and removable weights in the putter head to vary the pressu... | 05/05/1998 |
| 5683309 | Adjustable balance weighting system for golf clubs An adjustable balance weighting system (10) is provided for adjusting the weighting and balance of a golf club of either the "iron" or the "wood" type in order to encourage the golf club to be in tune with the golfer's swing and/or to correct any deficien... | 11/04/1997 |
| 5533725 | Golf putter A golf club, such as a putter, utilizes removable shafts and weights to vary the pressure of the putter relative to the putting surface speed. Alternative embodiments affix the shaft with a whistle stop notch or a conical wedge. Various strategies for det... | 07/09/1996 |
| 5476706 | Sporting implement having a head portion with a hitting surface for contacting a ball A sporting implement has a head portion with a hitting surface for contacting a ball. The implement uses a plurality of animal hide sections formed in a laminate for excellent durability, elasticity, batting sound and batting field. Each of the animal hid... | 12/19/1995 |
| 5447309 | Golf club head The head of a golf club, preferably of the "wood" type, wherein the orthogonal reference passing through the center of gravity of the club head and formed by three axes about which the inertia is maximum, is such that the first two axes are located in a p... | 09/05/1995 |
| 5441274 | Adjustable putter A golf clubhead includes a lower part with stepped ramps spaced apart and inclined downwardly toward each other engageable by stepped undersurface slopes at the opposite ends of an upper clubhead part carried by the golf club shank, which lower part and u... | 08/15/1995 |
| 5388827 | Golf putter A golf club, such as a putter, utilizes a removable shaft which is attached by threaded members extending axially of the shaft. The threaded members can be of varying weights to vary the pressure of the putter relative to the putting surface speed. Altern... | 02/14/1995 |
| 5385348 | Method and system for providing custom designed golf clubs having replaceable swing weight inserts A method and system for providing custom designed golf clubs having replaceable swing weight inserts therein. The associated club head has a receiving area thereon for receiving an insert which is installed on the club. A set of clubs is designed to have ... | 01/31/1995 |
| 5374062 | Swing weight with locking feature and golf club and method utilizing the same A swing weight for a golf club wherein the swing weight includes a main body sized and adapted to be received in a tubular shaft of the golf club, a flange adjacent one end of the main body and having larger cross-sectional dimensions than the main body, ... | 12/20/1994 |
| 5351959 | Golf club A golf club is disclosed which comprises a hollow shaft and a club head, at least a portion of which is hollow and in communication with the hollow shaft. A portion of the shaft defining a reservoir to carry a supply of fluent weight material in a valve f... | 10/04/1994 |
| 5348295 | Golf putter with adjustable shaft A golf shaft is attached to a removable sphere at a first end portion in the shaft. The sphere is mounted within a pocket of a top portion of a putter head and seats within a first or second cavity in a bottom portion of the putter head when the top and b... | 09/20/1994 |
| 4340230 | Weighted golf iron A golf club iron is provided including a variable weighting system. The weights are disposed in selected openings in a matrix. A cover secures the weights in place. The cover is in a protected position to the rear of the club head.... | 07/20/1982 |
| 4252317 | Putter Disclosed is a putter which is made of a lower shaft and an upper shaft, both shafts being rotatable with respect to one another and enabling to convert a right handed putter into a left handed putter and vice versa. Furthermore, the handle is arranged so... | 02/24/1981 |
