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| Number | Title | Issue Date |
| 8182362 | Golf club head A weight piece (14) containing 15 wt. % or greater of iron and tungsten, and having a specific gravity of 9 or larger, larger than a material of a head body (10) made of steel or pure iron, is joined to the head body (10) by welding. ... | 05/22/2012 |
| 8157670 | Golf club head or other ball striking device having face insert material A ball striking device, such as a golf club, includes a head with a face having a ball striking surface configured for striking a ball, a body connected to the face, and a filling material, which may be in the form of an insert, connected to a rear surface of the fa... | 04/17/2012 |
| 8142308 | System of golf club performance enhancement and articles resultant therefrom The performance of a golf club is enhanced through the provision of a void space behind a face plate and above a sole portion, to decrease club weight and provide single, or combinations, of selectable weighting elements within volumetric coordinates of an orthonorm... | 03/27/2012 |
| 8133134 | Golf club face having encapsulated tuned structure A golf club head has a face portion and a body portion. The face portion has a support frame, a matrix structure attached to and contained within the support frame, and a face material surrounding the matrix structure. In some aspects, the matrix structure may be a ... | 03/13/2012 |
| 8033928 | Method and apparatus for an assistive energy type golf club The present invention relates to method and apparatus adapted for use with an assistive energy type golf club which is safe to use, inconspicuous, and able to release sufficient assistive energy at the optimum time during a golf swing to add prescribed incremental v... | 10/11/2011 |
| 7963859 | Method and apparatus for assistive energy type golf club Apparatus and a method that enables an assistive energy type golf club to sense the approach of the club face toward a golf ball, and to trigger the release of the assistive energy at the optimum time to achieve the desired golf ball velocity and distance. ... | 06/21/2011 |
| 7955188 | Metal wood club In one embodiment, a golf club head is presented having a sole with three recessed cavities for attachment to a hosel-bending tool. In another embodiment, a golf club head is presented having a sole that includes one predetermined contact area proximal to the toe ed... | 06/07/2011 |
| 7946929 | Golf club face having encapsulated tuned structure A golf club head has a face portion and a body portion. The face portion has a support frame, a matrix structure attached to and contained within the support frame, and a face material surrounding the matrix structure. In some aspects, the matrix structure may be a ... | 05/24/2011 |
| 7927229 | Golf club heads and methods to manufacture the same In one embodiment, a golf club head comprises a body comprising a first material, a front end, a rear end, a bottom wall portion, a top wall portion, and a first aperture into the first material and located in a wall surface of the bottom wall portion. The golf club... | 04/19/2011 |
| 7887432 | Golf putter heads and removable putter weights Embodiments of golf clubs, golf club heads and removable golf club weights are generally described herein. According to certain embodiments, an example golf club head comprises a face for striking a golf ball, a backside portion, a sole portion, and one or more remo... | 02/15/2011 |
| 7798914 | Golf clubs with variable moment of inertia and methods of manufacture thereof In some embodiments, a golf club head has a body with a front section, a first restrictor of a restrictor mechanism coupled to a first portion of the body, and a weight having a first end coupled to the restrictor mechanism and to the body. The first restrictor has ... | 09/21/2010 |
| 7798913 | Golf clubs with variable moment of inertia and methods of manufacture thereof In one embodiment, a golf club head includes a body and a restrictor mechanism coupled to a first portion of the body. The restrictor mechanism can have a base coupled to the first portion of the body, and a weight coupled to the base. The restrictor mechanism can b... | 09/21/2010 |
| 7780547 | Golf club head A golf club head of a hollow wood type, that includes: a face portion; a body portion including a crown portion; and a film provided on the face portion and at least a front part of the crown portion. A film thickness T1 of the face portion is greater tha... | 08/24/2010 |
| 7771288 | Golf club head with face insert A golf club head is disclosed. The golf club head has a body member and a face insert formed of different materials. The body material is relatively soft and ductile to allow the club to be customized, and the face insert member is relatively hard and wear resistant... | 08/10/2010 |
| 7771289 | Sports articles formed using nanostructured materials A sports article includes a portion that includes a nanostructured material. The nanostructured material includes a metal, and the nanostructured material has an average grain size that is in the range of 2 nm to 5,000 nm, a yield strength that is in the range of 20... | 08/10/2010 |
| 7744485 | Golf putter heads and removable putter weights Embodiments of golf clubs, golf club heads and removable golf club weights are generally described herein. According to certain embodiments, an example golf club head comprises a face for striking a golf ball, a backside portion, a sole portion, and one or more remo... | 06/29/2010 |
| 7744484 | Movable weights for a golf club head Embodiments of movable weights, such as weight plugs and other types of movable weights, for a golf club head are disclosed herein. One embodiment for a weight plug, for example, includes a mass element with a first end that has a threaded portion and a second end. ... | 06/29/2010 |
| 7731602 | Method and apparatus for an assistive energy type golf club Apparatus and a method that enables an assistive energy type golf club to sense the approach of the club face toward a golf ball, and to trigger the release of the assistive energy at the optimum time to achieve the desired golf ball velocity and distance. ... | 06/08/2010 |
| 7654913 | Weld structure of metal club head A golf club head is formed with openings respectively on top and bottom sides thereof and a circumferential recessed groove is formed in the club head along a circumference of each opening. Pegs are formed in and spaced along the circumferential grooves. A faceplate... | 02/02/2010 |
| 7604548 | Weighted club heads and methods for forming the same A method of forming a golf club head includes providing a body having an end portion such as a heel end or a toe end of the club head, wherein the body end portion includes a lower surface and a boss extending therefrom. The method comprises providing a weight havin... | 10/20/2009 |
| 7563175 | Golf club A golf club includes a shaft and a metal head attached to the shaft. The metal head includes a plurality of metal pieces fixed together by means of laser welding. For example, a face member of the head is manufactured by laser welding three metal pieces; i.e., a cen... | 07/21/2009 |
| 7559853 | Golf club head and method for manufacturing the same A golf club head and a manufacturing method therefor in which the coefficient of restitution can be easily adjusted to desirable values for example the upper limit specified by Golf the Rules without impairing the durability and the directional stability. The head c... | 07/14/2009 |
| 7537527 | Golf club head and golf club using the same Vertical planes equally dividing space between a position of the shaft-hole axis of a head to a rearmost point of the head are defined as first vertical plane S1 to fifth vertical plane S5 starting from a face side. In a view showing a second contour R... | 05/26/2009 |
| 7452285 | Weight kit for golf club head Individual weights and a related kit for adjustably weighting a golf club head are provided, allowing a golfer to fine-tune the club for his or her swing. The kit is useable with a club head that defines a plurality of weight recesses spaced about the club head. The... | 11/18/2008 |
| 7407447 | Movable weights for a golf club head Embodiments of movable weights, such as weight assemblies and weight screws, for a golf club head are disclosed herein. One embodiment for a weight assembly, for example, comprises a mass element having a first end, a second end and a sidewall extending between the ... | 08/05/2008 |
| 7402112 | Multiple material golf club head A golf club (40) having a club head (42) with a face component (60), an aft body (61), and a sound modifying component (59) is disclosed herein. The face component (60) has a striking plate portion (72) and a return p... | 07/22/2008 |
| 7396291 | Golf club head and manufacturing method therefor A golf club head includes a body having at least one assembling opening and at least one cover plate mounted in the at least one assembling opening. A plurality of spaced spot welding points are provided along a joint area between the cover plate and the perimeter w... | 07/08/2008 |
| 7380325 | Method for manufacturing a golf club head An iron type head body comprises: a material body 13 made from a forgeable metal; and a disparate metallic member 12 made from a metal having nearly equal or smaller specific gravity than the material body 13, and different constituents. By prov... | 06/03/2008 |
| 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 |
| 7371187 | Golf putter and method of designing the same Three moments of inertia M1, M2, and M3 (g·cm 2) about three axes defined in a golf putter are defined in a manner to provide a weight balance satisfying the expressions {(M1−M2)M2 | 05/13/2008 |
| 7367898 | Force diversion apparatus and methods and devices including the same Force diversion apparatus, methods and devices including the same result in rotational motion being imparted to an impacting object. ... | 05/06/2008 |
| 7367897 | COR adjustment device A golf club head with a variable coefficient of restitution is disclosed and claimed. The club head includes a bias member that contacts and exerts a force against the interior surface of the face. The force exerted against the interior of the face lessens the face ... | 05/06/2008 |
| 7364513 | Golf club head with inserts for impact face A striking face for golf clubs, such as a driver, iron or putter comprising a plurality of bars retained in the club head body and forming the striking surface. The bars which comprise the striking face according to the invention may be designed and arranged to prov... | 04/29/2008 |
| 7357731 | Golf club made of a bulk-solidifying amorphous metal A golf club is made of a club shaft and a club head. Either the club shaft or the club head is made at least in part of a in-situ composite of bulk-solidifying amorphous alloy. The weights of the various club heads of a set, which have different volumes, may be esta... | 04/15/2008 |
| 7354354 | Article comprising a fine-grained metallic material and a polymeric material Lightweight articles comprising a polymeric material at least partially coated with a fine-grained metallic material are disclosed. The fine-grained metallic material has an average grain size of 2 nm to 5,000 nm, a thickness between 25 micron and 5 cm, and a hardne... | 04/08/2008 |
| 7354356 | Putter head A putter head includes a first half member, a second half member, and an insert. The first half body includes a first metal, and has a face surface on a front face. The second half body includes a second metal, which is higher in specific gravity than the first meta... | 04/08/2008 |
| 7351162 | Golf club head with alignment system A golf club head is disclosed. The golf club head includes a first body member and a second body member. The first body member includes a strike face and a top portion. The second body member is coupled to the first body member and extends away from the first body m... | 04/01/2008 |
| 7351163 | Golf club head A head body of a golf club head has a hollow portion defined by an outer wall. An opening portion is provided in a part of the head body. A small tungsten alloy piece having a shape fittable to the opening portion so as to cover the opening portion is fixedly attach... | 04/01/2008 |
| 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 |
| 7347795 | Golf club head A golf club head includes a front body formed of a titanium-based metal material, an FRP body, a metallic sole plate, and a weight member. The front body has a face portion, a metal sole portion, a metal side portion (toe), a metal crown portion, a metal side portio... | 03/25/2008 |
