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| Number | Title | Issue Date |
| 7905797 | Golf club head with varying face grooves The present invention is directed to a golf club head with an improved striking surface. 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 face ... | 03/15/2011 |
| 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 |
| 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 |
| 7331876 | Integrated putter system A putter comprising a grip having an anatomically correct shape to promote proper grasping of the putter, a shaft having a first end and a second end, wherein the grip is attached to the first end of the shaft, a hosel attached to the second end of the shaft, a head... | 02/19/2008 |
| 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 |
| 7273427 | Method and system for selecting a golf club A method for selecting a golf club suitable for a golfer includes the steps of (a) obtaining at least one of head speed and hit-ball data (initial velocity, launch angle, backspin, side spin, and travel distance) when a golfer hits a golf ball with a golf club; (b) ... | 09/25/2007 |
| 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 |
| 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 |
| 7179175 | Golf club having stepped grooves A golf club head is characterized by stepped grooves in the striking face thereof. The grooves may have a V-shape or a U-shape. The V-shaped grooves have side walls that intersect at the bottom of the grooves, while the U-shaped grooves have side walls that terminat... | 02/20/2007 |
| 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 |
| 7156749 | 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... | 01/02/2007 |
| 7153215 | Method of fitting a golf club to a golfer A method a fitting a golf club to a golfer based on the golfer's playing characteristics and the inherent properties of the golfer's current golf club. A golf club is selected and a analyzed to determine if the selected golf club is optimized for the golfer. ... | 12/26/2006 |
| 7150684 | 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 per unit time, the frequency being measured by vibrating a tip portion of a golf club sh... | 12/19/2006 |
| 7147571 | Transitioning hollow golf clubs The present invention relates to a set of golf club irons in which some of the club heads have a hollow space, and some of the club heads do not have a hollow space. The hollow space is preferably defined by a lower portion of the front face, a portion of the sole, ... | 12/12/2006 |
| 7144330 | Offset golf club set and method for fabrication A set of golf clubs is provided with shafts that have a bend formed by three shaft segments. The second shaft segment connects the first and third shaft segments and offsets the third shaft segment from the first shaft segment, wherein the third shaft segment is on ... | 12/05/2006 |
| 7137903 | Transitioning hollow golf clubs The present invention relates to a set of golf club irons in which some of the club heads have a hollow space, and some of the club heads do not have a hollow space. The hollow space is preferably defined by a lower portion of the front face, a portion of the sole, ... | 11/21/2006 |
| RE39178 | Oversize metal wood with power shaft A wood-type golf club having an enlarged club head in the range of 250 to 300 cm.3 constructed of a material lighter than steel to maintain the total club head weight within normal limits including the weight of novel power shaft according to the present ... | 07/11/2006 |
| 7037212 | Fiber reinforced plastic golf shaft A golf shaft made of fiber reinforced plastic and including a tip portion attached to a head, a butt portion attached to a grip, and a middle portion located between the tip portion and the butt portion. The golf shaft has a generally tapered shape in which the oute... | 05/02/2006 |
| 7014568 | Golf club A set of golf club wedges each having a club face (10) is disclosed wherein the lofts of the individual clubs progressively increases. The hitting surface of each club head may take the form of an insert (12) that includes a series of grooves, the desi... | 03/21/2006 |
| 6994635 | Peen conditioning of titanium metal wood golf club heads A golf club head is provided with a residual compressive stress layer on the inside surface of the club face using a peening treatment. The peening treatment also may remove material from the club head, such as unwanted alpha case on a titanium club head. The body o... | 02/07/2006 |
| 6955611 | Method and apparatus for playing a game of golf An apparatus for playing a game of golf for at least two players, each player having a set of golf clubs including a plurality of irons, a plurality of woods and a putter, includes a game set of indicators that includes a club set of indicators bearing club identifi... | 10/18/2005 |
| 6932714 | Golf club head A golf club wedge having a hosel, a bottom wall, a top surface, a toe, a heel and a striking surface with a lower periphery defined by an arcuate leading edge extending downwardly from the heel to a forwardmost point of the striking surface and extending upwardly fr... | 08/23/2005 |
| 6916251 | 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 per unit time, the frequency being measured by vibrating a tip portion of a golf club sh... | 07/12/2005 |
| 6482104 | Set of golf clubs In accordance with the present invention, a set of golf club heads is disclosed. The set includes golf club heads with peripheral weights. The dimensions and configuration of at least the peripheral weights are changed from club-to-club along the set so t... | 11/19/2002 |
| 6478689 | Golf club and set of golf clubs A golf club includes a shaft, a head attached to the tip end of the shaft, and a grip attached at the butt end of the shaft. The 14-inch balance is D0 or more. The club has initial velocity per equivalent pendulum length Vb/Lp that is larger than -3.57 Lc... | 11/12/2002 |
| 6379260 | Iron club set In an iron club set, the lie angle of each iron club in an iron club set is selected to be 61 degrees or larger. The lie angles of the iron clubs are set at a fixed value for every type of the iron clubs including a short iron to a long iron or progressiv... | 04/30/2002 |
| 6341690 | Golf club bag and club apparatus The present invention relates to a golf club bag having a club separating collar having a plurality of openings therein for receiving individual golf clubs therein. The collar has a plurality of color coded areas or zones, each area surrounding a pluralit... | 01/29/2002 |
| 6328660 | Method for club fitting A system and method for fitting a golfer with one or more golf clubs. The system or method comprises measuring one or more swing characteristics of a golfer and selecting a swing coefficient that is a function of one or more measured swing characteristics... | 12/11/2001 |
| 6319147 | Iron golf club set Disclosed is an iron golf club set which comprises a plurality of golf clubs of different counts, each golf club having a steel shaft, wherein a steel shaft of a shorter golf club is set heavier than that of a longer golf club; a step formation region is ... | 11/20/2001 |
| 6293876 | Iron category golf club and golf club set The golf club has a length over 0.99 m, a loft angle of at least 35°, a head mass of about 0.260 kg or less, and a lie angle of less than 60°. The golf club allows long and high slots.... | 09/25/2001 |
| 6224495 | Golf clubs and golf club sets A golf club set in which the weight balance of club shafts is optimized for each individual club. The weight balance at the grip-end of the shaft of each of the individual golf clubs increases as the corresponding loft angles of each of the individual gol... | 05/01/2001 |
| 6024650 | Imprintable golf club head A golf club putter head is provided in the shape of a quarter cylinder with a quarter cylinder outer surface having an imprintable material thereon. Four such golf club putter heads may be assembled and inserted into a cylindrical imprinting apparatus, su... | 02/15/2000 |
| 5984803 | Variable weight distribution in a golf club head by reducing hosel length A set of golf clubs which utilizes progressively longer hosel lengths for the purpose of enlarging the main body of the clubhead and/or redistributing weight within the main body of the clubhead. The hosel length progresses from a very short hosel (1 3/8"... | 11/16/1999 |
| 5865684 | Multi-use golf club The present invention provides a multi-use golf club which allows a user to select a long or short shot without changing the dynamics of the user's golf swing. This is accomplished with a hand grip having at least two hand grip position designations locat... | 02/02/1999 |
| 5863260 | Device-coupled assembly and device used therewith A device-coupled golf club 80 includes a club head 64 which is assembled with a shaft 22 by use of a coupling device 40. Club head 64 is formed with a hosel 68 which is formed with a bore 70 having threads 76 formed in an upper portion thereof and a floor... | 01/26/1999 |
| 5800281 | Golf club sole configuration A golf club or set of golf clubs include a sole having three surfaces: an entrance surface, a bounce surface and a trailing surface. The bounce surface is angled from the ground with a bounce angle and has a pair of cavities that are aligned with the sole... | 09/01/1998 |
| 5765691 | Traveling golf set A traveling golf club kit which enables a user to easily transport a set of golf clubs. In its broadest context the present invention includes a collapsible golf bag and a set of clubs, wherein each of the clubs has an assembled configuration and a disass... | 06/16/1998 |
| 5624329 | Matched putter/chipper golf clubs A matched pair of golf clubs, designed for putting and chipping usage, which have identical heads with identical shafts and grips except that one head has a striking face with the loft of a putter and the other head has a striking face with the loft of a ... | 04/29/1997 |
| 5616086 | Golf club set A mechanical locking device for use in attaching the shaft of a golf club to the clubhead. An angle is cast inside the hosel at the base of the hosel bore. The tip of the shaft is cut at an angle matching the angle at the bottom of the hosel bore, such th... | 04/01/1997 |
| 5607363 | Golf club head with located hosel An iron golf club set comprising a plurality of clubs with varying lofts and insets, in which the inset of each club is equal to or less than the inset for the next club in the set with less club loft and there are at least three different insets within t... | 03/04/1997 |
