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| Number | Title | Issue Date |
| 8167738 | Golf club head In one embodiment, a golf club head can include a golf club face comprising two or more grooves. A first cross section of a first region of a first end of a first groove of the two or more grooves is taken perpendicular to an edge of a sidewall of the first region o... | 05/01/2012 |
| 8147352 | Golf club having hydrophobic and hydrophilic portions A golf club or component thereof has a surface, wherein at least one area of the surface has a level of hydrophilicity which is less than the level of hydrophilicity in at least one surrounding portion, causing moisture to be preferentially attracted to the surround... | 04/03/2012 |
| 8118688 | Golf club head and method for producing the same A golf club head 1 having an improved dischargeability of foreign matters such as water and mud caught in face line grooves and a sufficient frictional force with a golf ball generated when hitting the ball, the club head 1 comprising a ball hitting fa... | 02/21/2012 |
| 8105181 | Strike face insert A golf club head, according to one or more aspects of the present invention, comprises a metallic striking wall having a striking surface and at least one through score-line opening. At least one complementary component may be disposed rearward of the striking surfa... | 01/31/2012 |
| 8092320 | Golf club head The present invention provides a golf club head that can hit a ball with a sufficiently large amount of backspin. The golf club head according to the present invention is an iron type golf club head made of a metal and including a flat face. A plurality of traces ar... | 01/10/2012 |
| 8066587 | Putter head A putter head includes substantially parallel plural grooves formed on a face thereof, wherein a ratio W/S of a groove width W (mm) and a space width S (mm) between the grooves is from 0.5 to 2.0. ... | 11/29/2011 |
| 8029384 | Golf club head A golf club head includes a striking face having a plurality of grooves formed therein. At least one groove includes a first curved side surface, a second curved side surface opposite to the first curved side surface, and a bottom surface connecting the first and th... | 10/04/2011 |
| 8021245 | Method for making a golf club face An improved face for a golf club head includes shallow and deep markings configured to provide a pleasing appearance when viewed head on, and to frame the central region of the impact surface of the face when viewed at address. Use of only shallow markings in the ce... | 09/20/2011 |
| 7942757 | Strike face insert A golf club head, according to one or more aspects of the present invention, comprises a metallic striking wall having a striking surface and at least one through score-line opening. At least one complementary component may be disposed rearward of the striking surfa... | 05/17/2011 |
| 7905798 | Golf club head and method of manufacturing In one embodiment, a method for manufacturing a golf club head comprises forming a groove at a face of the golf club by rotating a groove forming tool about an axis of rotation at an angle substantially greater than zero degrees and substantially less than ninety de... | 03/15/2011 |
| 7901297 | Golf club head This invention provides a golf club head including a plurality of score lines on the face. The golf club head includes a plurality of striations formed on the face and extending from a toe side to a heel side. A depth Dp of each striation satisfies 10 μm≦Dp≦40 ... | 03/08/2011 |
| 7846040 | Golf club head A golf club head of this invention includes a face, a plurality of score line grooves formed on the face, and a plurality of striations formed on the face. The angle formed by an arrangement direction of the plurality of striations and the score line grooves is betw... | 12/07/2010 |
| 7846039 | Golf club head A golf club head having a multi-material face is disclosed and claimed. The face is formed by explosion welding, allowing materials having substantially different properties to be uniformly joined. Explosion welding allows the materials to be joined together via a c... | 12/07/2010 |
| 7828671 | Golf club head A golf club head of this invention includes a face, a plurality of score line grooves formed on the face, and a plurality of striations formed on the face. The angle formed by an arrangement direction of the plurality of striations and the score line grooves is betw... | 11/09/2010 |
| 7824279 | Golf club head This invention provides a golf club head including a plurality of score lines on a face. In the golf club head according to this invention, the angle between each side surface of the score lines and the face is 48° or more. Edges of the score lines are formed to be... | 11/02/2010 |
| 7794333 | Strike face insert A golf club head, according to one or more aspects of the present invention, comprises a metallic striking wall having a striking surface and at least one through score-line opening. At least one complementary component may be disposed rearward of the striking surfa... | 09/14/2010 |
| 7780549 | Golf club head A golf club head comprising a strike face having a heel portion, a toe portion, and an intermediate portion. The intermediate portion includes one or more score lines. At least a portion of one or more score lines include a different average surface roughness and as... | 08/24/2010 |
| 7749099 | Golf club head This invention provides a golf club head including a plurality of score lines on the face. In the golf club head according to this invention, the score line includes a pair of side surfaces and a bottom portion having a protruding portion protruding toward the face.... | 07/06/2010 |
| 7695377 | Golf club head The present invention provides a golf club head that can hit a ball with a sufficiently large amount of backspin. The golf club head according to the present invention is an iron type golf club head made of a metal and including a flat face. A plurality of traces ar... | 04/13/2010 |
| 7677990 | Golf club head A golf club head of this invention includes a face and a plurality of striations formed on the face by milling. A pitch P in the arrangement direction of the plurality of striations satisfies 300 μm≦P≦600 μm. The surface roughness of a region in the face with ... | 03/16/2010 |
| 7641570 | Golf club head A golf club head comprises a face portion whose front face forms a clubface having a clubface roll of a radius R, and the clubface is provided with a plurality of parallel grooves extending straight at an angle of not more than 10 degrees with respect to the toe-and... | 01/05/2010 |
| 7594863 | Golf club head A golf club head of this invention includes a face, a plurality of score line grooves formed on the face, and a plurality of striations formed on the face. The angle formed by an arrangement direction of the plurality of striations and the score line grooves is betw... | 09/29/2009 |
| RE40874 | Golf club head having improved grooves A golf club head striking face is provided, including a plurality of grooves, wherein at least one groove has a first and second side. Each side includes a bottom, a lower section, and an upper section. The lower section is substantially planar and disposed between ... | 08/18/2009 |
| 7540810 | Putterhead with dual milled face pattern A putter-head (20) with a main body (22) having a striking face (24), a weight body (25) and an isolation layer 27 is disclosed herein. The striking face (24) has a dual milled pattern thereon. Preferably, a central area ( | 06/02/2009 |
| 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 |
| 7338390 | Multi-material golf club head A golf club head in accordance with various aspects of the present invention, may have a higher volume and/or higher strength. The golf club head may comprise a frame structure with a composite matrix. The golf club head may also comprise a detachable face, allowing... | 03/04/2008 |
| 7311615 | Golf club head with ceramic layer A hollow club head having an aluminum alloy base material covered with another material layer of Ni or Ni/P with ceramic granules. The thickness of the material layer on the striking face is thicker than on the rest of the club head. The material layer has a hardnes... | 12/25/2007 |
| 7285057 | Variable scoreline golf club groove configuration A golf club head having a toe portion, a heal portion and a club front intended striking face with a plurality of substantially parallel grooves formed in the face and extending horizontally between the toe portion and the heel portion. Each groove has a groove widt... | 10/23/2007 |
| 7278926 | Golf club head The present disclosure provides a putter head that has a plurality of deflectable beams or projections for striking a golf ball. Upon impact with the ball, the beams deflect and rebound to impart topspin on the ball, thereby resulting in forward rotation of the ball... | 10/09/2007 |
| 7275999 | Correlated set of individually numbered golf club irons The invention includes a golf club iron head, correlated sets of individually numbered golf club irons, methods of matching a golf club to a golfer, and methods of matching a set of golf clubs to a golfer. In one implementation, a golf club iron head includes a fron... | 10/02/2007 |
| 7273422 | Spin milled grooves for a golf club The present invention is directed to a golf club head with an improved striking surface. The grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking f... | 09/25/2007 |
| 7261643 | Metal wood club with improved hitting face A hitting face of a golf club head having improved flexural stiffness properties. In one embodiment, the hitting face is made from multiple materials. The main portion of the hitting face is a plate-like face made from a first material having a first density. A dens... | 08/28/2007 |
| 7261644 | Faceplate groove pattern for a golf club putter head A golf club putter head includes a faceplate groove pattern configured to provide the putter head with an elevated center of gravity. In one preferred form, a club head body defines a faceplate having at least one and preferably multiple elongated grooves formed the... | 08/28/2007 |
| 7258627 | High spin golf club groove configuration The high spin golf club uses modified grooves for use on all types of known golf clubs, wherein the modified grooves maximizes control of the golf ball through increasing backspin. The high spin golf club's modified grooves can be used alone or in a combination with... | 08/21/2007 |
| 7250007 | Wood type golf club head A golf club head includes a striking plate, a golf club head body and a plurality of annular flexible portions. In assembling, the striking plate mechanically connects to a front side of the golf club head body. The golf club head body forms a crown portion, a sole ... | 07/31/2007 |
| 7192361 | Iron-type golf clubs A set of iron-type golf clubs includes long irons with channel back configurations and short irons with cavity back configurations. The rear face configurations transition from channel backs through to pure cavity backs for increased performance continuum for the se... | 03/20/2007 |
| 7166039 | Putterhead with dual milled face pattern A putter-head (20) with a body (22) having a striking face (24) is disclosed herein. The striking face (24) has a dual milled pattern thereon. Preferably, a central area (40) has a first milled pattern and a periphery region (42... | 01/23/2007 |
| 7156751 | Golf club head having improved grooves A golf club head striking face is provided, including a plurality of grooves, wherein at least one groove has a first and second side. Each side includes a bottom, a lower section, and an upper section. The lower section is substantially planar and disposed between ... | 01/02/2007 |
| 7147574 | Golf club head A golf club head having a front surface with a substantially planar face, a lower edge and a ball impact area, is constructed with a composite core of metal and plastic, with the core being enclosed in an injection molded plastic sheath. The core may be formed of la... | 12/12/2006 |
| 7128664 | Golf club head and manufacturing method thereof The present invention intends to prevent deviation and gap from being generated in a joining section of a golf club in which a head main body 10A and a surface material 10B are integrated by joining together and provide a high quality golf club head ha... | 10/31/2006 |
