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| Number | Title | Issue Date |
| 8142309 | Golf club head having a grooved face 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 and angled relative to a leading edge of the golf club head. The sole of the golf club head is contoured s... | 03/27/2012 |
| 8043165 | Sole for iron golf club head The present invention discloses an iron-type golf club head in which the sole portion has a main surface and a stepped surface. Further, the sole portion comprises a chromium coating. The invention creates a unique combination of head shape and surface friction coef... | 10/25/2011 |
| 7997998 | Metal wood club A golf club head is provided with a body that has an address position with a zero degree bounce portion on the sole and a center sole position with a multi-relief surface of the sole having a negative bounce portion. The negative bounce portion may comprise a negati... | 08/16/2011 |
| 7988565 | Golf club head A head 2 is hollow. The head 2 has a sole part 8. The sole part 8 has a groove forming part k1 having a recessed outer surface g1 and a protruding inner surface s1. The sole part 8 has a first groove forming pa... | 08/02/2011 |
| 7918747 | Golf club head having a grooved face 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... | 04/05/2011 |
| 7824277 | Metal wood club A golf club head is provided with a body that has an address position with a zero degree bounce portion on the sole and a center sole position with a multi-relief surface of the sole having a negative bounce portion. The negative bounce portion may comprise a negati... | 11/02/2010 |
| 7618330 | Golf club Disclosed herein is a golf club, comprising a shaft and a golf club head disposed at one end of the shaft. The golf club head has a face on a front of the golf club head, a cavity surface on a back of the golf club head, and a bottom flange extending from a bottom e... | 11/17/2009 |
| 7572193 | Golf club head A golf club head comprises: a face portion having a front face forming a club face and a rear face facing a hollow; a sole portion extending backward from the face portion and having an outer surface forming an undersurface of the head and an inner surface facing th... | 08/11/2009 |
| 7513835 | Golf club heads Golf club heads are described. The present invention is directed to golf club heads that have a thicker and heavier top line region and a thinner and lighter sole region than conventional designs. The novel golf club heads of the invention have a low tendency to get... | 04/07/2009 |
| 7470200 | Golf club head for a hybrid gold 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 ... | 12/30/2008 |
| 7442130 | Iron set An iron set has plural iron golf clubs, in which loft angles of heads are larger as the number is increased, each golf club including the head having a sole that includes a front sole on a front side and a rear sole adjacent to the front sole. A bounce angle θ... | 10/28/2008 |
| 7419439 | Golf putter A golf putter with a new and useful head configuration is provided. The putter head is designed to facilitate a golfer's ability to effectively contact and project a golf ball along a desired path on a putting surface. The head is designed to enable a golfer to effe... | 09/02/2008 |
| 7399237 | Multiple material golf club head A wood-type golf club head (40) preferably having a major body (50), a striking plate insert (55) and a minor body (60) is disclosed herein. The major body (50) is preferably composed of a metal material and has a front wall sectio... | 07/15/2008 |
| 7393286 | Corrugated sole for a utility wedge golf club An improved sole contour for a wedge golf club head is provided comprised of one or more V-shaped cuts (16) into the sole of said club head creating multiple bounce sole contours (26) for sand play, while eliminating the dangerously raised leading edge... | 07/01/2008 |
| 7374500 | Putter with fixable shaft that rotates to convert the putter from practice to play The present invention is an improved putter that assists a player in perfecting a putt stroke during practice and repeating it with the same club during play. The shaft is attached to the clubhead such that it can swivel from a practice configuration to a play confi... | 05/20/2008 |
| 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 |
| 7367900 | Golf club head A hollow golf club head containing a face component made of a metal material and including a face plate forming a face portion of the head and a turnback extending backward from the face plate; a FRP component made of a fiber reinforced resin; and an elastomeric ins... | 05/06/2008 |
| 7338386 | Golf club shaft A light-weighted golf club shaft, which can stabilize the swing orbit of a club head during a swing and can allow a player to swing a golf club easily and to have a consistent shot pattern, is provided. The golf club shaft has a length of 42 to 48 inches and a weigh... | 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 |
| 7326121 | Golf putter A golf putter system including features that allow customization of the overall weight of the putter head, as well as the distribution of the weight. The golf putter includes a shaft and a head that is attached to an end of the shaft. The head typically includes an ... | 02/05/2008 |
| 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 |
| 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 |
| 7297071 | Golf club wedge A golf club may have a head that is symmetric about a mid plane. The head may include a generally planar face and a sole, with the face inclined at an angle of at least 10 degrees with respect to the plane of the sole. A shaft having a first bend and a second bend m... | 11/20/2007 |
| 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 |
| 7273419 | Multiple material golf club head A wood-type golf club head (40) preferably having a major body (50), a striking plate insert (55) and a minor body (60) is disclosed herein. The major body (50) is preferably composed of a metal material and has a front wall sectio... | 09/25/2007 |
| 7270609 | Golf putter head The present invention is a golf putter head wherein the second moment among the three inertial moments described below shows a minimum value in a state in which the head is placed on a horizontal plane at a specified lie angle and loft angle: ... | 09/18/2007 |
| 7255653 | Metal wood club A golf club having a metal wood club head including a toe, a heel, a club face, a sole, a rear profile, and a top profile shape. The club head is shaped to increase the moment of inertia of the club head. In one embodiment, a rear portion of the club head is truncat... | 08/14/2007 |
| 7229362 | Golf club head or other ball striking device with discrete regions of different density Ball striking devices may include: (a) a sole member; (b) at least one intermediate body member; (c) a crown member; and (d) a face member. The materials making up the sole member, the intermediate body member(s), and the crown member may be selected so that the den... | 06/12/2007 |
| 7175537 | Golf putter with lift angle A putter has a center of gravity located rearward from the face and under the stroking pivot point. The polar moment of inertia of the putter is increased by moving the distribution of weight toward the rear of the head away from the contact surface. The sole of the... | 02/13/2007 |
| 7169058 | Golf putter head having multiple striking surfaces The present invention provides a golf putter head that is suitable for putting a golf ball by either left-handed or right-handed golfers by swinging the putter in the typical pendulum motion or by pushing the putter in a shuffleboard-like motion. Further, the presen... | 01/30/2007 |
| 7166035 | Systems and methods for fitting golf equipment A golf equipment fitting system that uses advanced technology to not only objectively identify the optimum equipment for the golfer, but to also identify and help correct swing flaws so that the golfer can achieve optimum performance on the golf course. Thus, in one... | 01/23/2007 |
| 7166207 | Non-mechanical method of removing material from the surface of a golf club head A highly accurate, efficient, and non-mechanical method of removing material from the surface of a golf club head using the principles of electrolysis. The process generally includes positioning at least one electrode in close proximity to a portion of a rear surfac... | 01/23/2007 |
| 7163469 | Rear, perimeter, and face weighted putter support A golf putter head has a main body frame that is rear, perimeter and face weighted. A first weighting member weights the main body frame in the front and a second weighting member weights the rear and perimeter of the main body frame providing a dynamically balanced... | 01/16/2007 |
| 7160205 | Golf club head A golf club head whose head volume is in a range of from 355 to 450 cc comprises a hollow body comprising a face portion and sole portion each made of a metal material, and the hollow body has a structure producing a ball-hitting sound whose maximum sound pressure l... | 01/09/2007 |
| 7147570 | Method for fitting golf clubs A method is disclosed for effectively guiding golfers and/or their fitting professionals toward the selection of a particular wood-type golf club that is optimally matched or fitted to each golfer's particular swing characteristics, the selection being made from a s... | 12/12/2006 |
| 7112147 | Golf club head having an insert cavity rear aperture A golf club head includes a body having a front face with a cavity formed therein. The cavity has at least one aperture passing through the cavity bottom wall to the rear surface of the club head body. A face insert is installed in the cavity by applying an adhesive... | 09/26/2006 |
| 7108613 | Golf club head A golf club head has two metal outer ends to and a mid-section composed of multiple side-by-side, polymeric laminations (14) directed substantially transversely to the club face (4). In one version the threaded rod (12) joins the ends compressin... | 09/19/2006 |
| 7104897 | Golf swing training device A golf club for training golfers is disclosed. A specific club head shape encourages the golfer to envision impacting the golf ball with the back of their leading hand. A color system on the golf club handle helps with the release. The heel of the club head is heavi... | 09/12/2006 |
| 7101291 | Golf club head A golf club head which includes a main body provided with a socket, and a weight member disposed in the socket, wherein the socket is a tubular portion extending to the inside of the main body and deforming a through-hole extending therethough, the weight member hav... | 09/05/2006 |
| 7083526 | Golf putter A golf putter (10) includes a putter head (316) having a putter body (320), a heel weight (344H), a toe weight (344T) and a first sole insert (354F). The putter body (320) includes a heel region (330) and a toe... | 08/01/2006 |
