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| Number | Title | Issue Date |
| 8083607 | Iron-type golf clubs The present invention is directed to an iron-type golf club that may be included in a set. In particular, the inventive golf club includes an adjustable hosel coupling and a mechanism for altering the sole configuration. The golf club may be included in a set having... | 12/27/2011 |
| 8066584 | Golf club head having a bridge member and a weight positioning system A golf club head is disclosed that includes a weight integral to a bridge member extending across a cavity back golf club head. The weight modifies a position of a center of gravity of the golf club head. The weight is independently movable in multiple directions to... | 11/29/2011 |
| 7972222 | Iron golf club heads and golf club sets with variable weight distribution Described herein are iron golf club heads and sets of iron golf clubs that have variable weight distribution. Each iron golf club head has a cavity and a groove with a raised portion disposed therein. The groove and the raised portion can deepen the center of mass d... | 07/05/2011 |
| 7935000 | Golf clubs and golf club heads Golf club heads which include an iron type golf club head body including a ball striking face, a rear surface opposite the ball striking face (e.g., including a perimeter weighting member) and an indicator which indicates the location of the center of gravity of the... | 05/03/2011 |
| 7878920 | Set of iron-type golf clubs having a progressive sole configuration The present invention is directed to a set of iron-type golf clubs having a progressive sole configuration through the set. In particular, the inventive golf clubs include a consistent relationship between the ground contact and center of gravity throughout the set ... | 02/01/2011 |
| 7614962 | Set of iron-type golf clubs having a progressive sole configuration The present invention is directed to a set of iron-type golf clubs having a progressive sole configuration through the set. In particular, the inventive golf clubs include a consistent relationship between the ground contact and center of gravity throughout the set ... | 11/10/2009 |
| 7410424 | Tri-weight correlated set of iron type golf clubs A tri-weight correlated set of iron-type golf clubs, wherein at least two of the clubs of the set have a combined sole weight and center weight which reinforces the most likely hitting surface of the club to add distance behind well hit center shots, and a periphery... | 08/12/2008 |
| 7371189 | Iron golf-club head and an iron golf club including the same A configuration of an iron golf-club head is defined as follows in order to offer ease of addressing a ball with face open. In a projected figure of the head focused on a projection plane including a sweet spot and normal to a perpendicular from a center of gravity ... | 05/13/2008 |
| 7351164 | Iron-type golf club head The present invention provides an iron-type golf club head comprising a primary cavity that is approximately parallel to the ground when the club head is resting at normal address. A secondary cavity, positioned within the primary cavity, has a bottom wall that is a... | 04/01/2008 |
| 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 |
| 7338387 | Iron golf club The iron golf club head (20) of the present invention is preferably composed of three main components: a main body (22), a central member (24) and a mass member (25). The Mass member (25) is preferably composed of a high density ma... | 03/04/2008 |
| 7331877 | Golf club head A maximum resilience point (M) of a head (1) is positioned above a center (C) of a hitting surface. On the maximum resilience point (M), (t2−t1) measured in accordance with a pendulum test determined by USGA has a maximum value. When coordinat... | 02/19/2008 |
| 7326125 | Golf club A golf club comprises a club shaft having a tip end and a butt end, a golf club head being attached to the tip end of the club shaft, and a golf grip being attached to a region of the club shaft extending from the butt end toward the tip end of the club shaft, the g... | 02/05/2008 |
| 7326472 | 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... | 02/05/2008 |
| 7316624 | Golf club head for a hybrid golf club A golf club head includes a heel end, a toe end, a front wall arranged for impacting a golf ball, and a crown extending between the heel and toe ends. The crown has a front portion and a rear portion. A sole extends between the heel and toe ends and extends between ... | 01/08/2008 |
| 7309295 | Flared chipper or wedge for golf A golf club head for a chipper or wedge provides a large striking area as well as selectable weight distribution. Using a flared hosel coupled to a lobed or large blade, the body supporting the blade provides both a concave sole for selectable bounce upon manufactur... | 12/18/2007 |
| 7303487 | Golf club head A golf club head having face, crown, sole and side portions, and comprising a metal head base body (M) having at least one opening and a cover (FR) arranged in the opening and made of a material having a specific gravity smaller than the base body, wherein when the ... | 12/04/2007 |
| 7303486 | Golf club head A golf club head made of metal includes a face surface, a back surface, and an elastic body. Plural hollow portions are defined between the face surface and the back surface and are arranged in an upper and lower direction. The elastic body is filled in the lowermos... | 12/04/2007 |
| 7300361 | Golf club head having a bridge member A cavity back golf club head having a bridge member is disclosed. The bridge member extends across a first rear cavity connecting a heel and a toe of the golf club head to control the trajectory of a golf ball. For the longer iron clubs, a wall extending from the so... | 11/27/2007 |
| 7281987 | Putter It is to provide a putter adapted so that a head thereof can easily be drawn straightly backward at a back-swing. It is to locate a center G of gravity of the head more frontward (in a direction of a face side thereof than the center axis of a shaft. ... | 10/16/2007 |
| 7278925 | Golf club head This present invention relates to a hollow golf club head comprising a face portion whose front face defines a club face for hitting a ball, wherein said face portion comprises a center portion forming an area having a sweet spot, and a peripheral portion surroundin... | 10/09/2007 |
| 7273418 | 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... | 09/25/2007 |
| 7244188 | Multi-piece golf club head with improved inertia A multi-piece iron-type golf club head with a substantial weight member is disclosed and claimed. The golf club head includes a plurality of body members. A first body member includes a face, a rear surface, and a hosel. A viscoelastic material is attached to the re... | 07/17/2007 |
| 7238119 | Golf club head with undercut A golf club head having an undercut is disclosed. The club head includes a body defining a striking face, a top line, a sole, a back, a heel, and a toe. The back contains a cavity that extends in a direction substantially perpendicular to the face. A recesses is pro... | 07/03/2007 |
| 7235023 | Iron type golf club set The present invention provides an iron type golf club set of n (n: an integer equal to or more than three) numbers of iron type golf clubs having different head loft angles, wherein the head comprises a face plate, and a head main body provided with a face receiving... | 06/26/2007 |
| 7232376 | Separable golf club A separable golf club includes an upper shaft portion with a grip and a lower shaft portion with a club head, wherein the upper and lower shaft portions can be quickly connected and disconnected, while allowing a large amount of force to be transferred there through... | 06/19/2007 |
| 7232380 | Golf club head A golf club head has a ratio of a head mass to a head volume equal to or grater than 3 g/cm2, and a face portion that includes an impact surface is configured by a member made from an aluminum alloy having a maximum tensile strength equal to or greater th... | 06/19/2007 |
| 7232381 | Iron golf club head An iron golf club head includes a head main body and an FRP body. The head main body includes a face portion, a first face along the face portion, second faces, and a recess behind the head portion. The second faces continue from a rear face of the face portion to t... | 06/19/2007 |
| 7220189 | Iron golf club The iron golf club head (20) of the present invention is preferably composed of three main components: a periphery member 22, a central member 24 and a face plate 26. The periphery member (22) is preferably composed of a high densi... | 05/22/2007 |
| 7207899 | Golf club head A golf club head having a head body, a face plate fixedly attached to the front surface of the head body, a weight fixedly attached to the front surface of the sole portion of the head body, and an elastic body charged into a first recess portion of the golf club he... | 04/24/2007 |
| 7207900 | Golf club head weight adjustment member The present invention relates to certain weight adjustment members that can be used in connection with iron-type golf clubs. The weight adjustment members of the present invention comprise a relatively uniform and/or symmetrically configured width. In addition, the ... | 04/24/2007 |
| 7201669 | Golf club head having a bridge member and a weight positioning system A golf club head is disclosed that includes a weight integral to a bridge member extending across a cavity back golf club head. The weight modifies a position of a center of gravity of the golf club head. The weight is independently movable in multiple directions to... | 04/10/2007 |
| 7192362 | 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 |
| 7186188 | 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... | 03/06/2007 |
| 7186187 | Iron-type golf clubs A set of iron-type golf clubs includes long irons with cavity back configurations and short irons with muscle back configurations. The rear face configurations slowly transition from pure cavity back through cavity-muscle backs to pure muscle backs for increased per... | 03/06/2007 |
| 7169056 | Golf club set and golf club shaft set Disclosed is a golf club set having harmonized golf club performance among the club numbers. In the golf club set, for at least three golf clubs, a ratio or a sum of a frequency, the frequency being measured by vibrating a tip portion of a golf club shaft constituti... | 01/30/2007 |
| 7169057 | Hollow and metal iron golf club heads An iron golf club head having a hollow interior. The iron golf club head is formed from a first casing and a second casing. The first casing includes the hosel and strike face, while the second casing includes the sole, the back side, and the topline of the iron gol... | 01/30/2007 |
| 7166042 | Forged iron-type golf clubs Forged cavity back iron-type clubs and oversize clubs are disclosed. These forged clubs have thin, durable hitting face and relatively large cavity volumes. These clubs have high rotational moments of inertia to minimize distance and accuracy penalties associated wi... | 01/23/2007 |
| 7163470 | Golf club head A golf club head (20) having optimized inertial properties and center of gravity is disclosed. The golf club head (20) preferably has a volume between 300 cubic centimeters and 500 cubic centimeters. The golf club head (20) has a center of gravi... | 01/16/2007 |
| 7164473 | Method and apparatus for measuring face angle A method (250) and apparatus (20) for measuring the face angle of a golf club (300), golf club head (302) or face component (304) of a golf club head is disclosed herein. The method (250) and apparatus (20) use a non-... | 01/16/2007 |
