| Patent Number |
Title Of Patent |
Date Issued |
| 6126557 |
Golf club shafts and methods of manufacturing the same |
October 3, 2000 |
| An improved shaft for a golf club and methods of manufacturing the same. One or more layers of a loaded film are used to define in part the overall weight, swing weight, and/or balance point of a golf club shaft, without significantly affecting the flexibility and/or torsional characteri |
| 6117024 |
Golf ball with polyurethane cover |
September 12, 2000 |
| A golf ball having a cover composed of a polyurethane formed from a p-phenylene diisocyanate (PPDI) based polyurethane prepolymer is disclosed herein. The PPDI-based polyurethane prepolymer is formed from a PPDI and a polyol such as polycaprolactone. The PPDI-based polyurethane prepolyme |
| 6110407 |
Methods of manufacturing dipped bladder molding mandrels for manufacturing tubular shafts |
August 29, 2000 |
| The present invention relates to an improved apparatus and method for manufacturing shafts from composite materials, particularly shafts for golf clubs. An elongate mandrel, having a passage therein and having a plurality of holes between the passage and an outer surface of the mandr |
| 6095931 |
Bi-material golf club head having an isolation layer |
August 1, 2000 |
| A bimetallic golf club head having a weight body for lowering the center of gravity of the golf club head in order to increase vertical gear effect upon impact with a golf ball, while also providing for an isolation layer between the golf club head's weight body and a main body portion |
| 6093116 |
Golf club head with vibration damping channels |
July 25, 2000 |
| A golf club head having a face insert plate. The face insert plate is affixed to a faceplate mounting surface wherein a plurality of channels are formed. The channels preferably have a depth that is increased in a lower region of a face of the club head. An elastomeric binding material |
| 6045455 |
Inertially tailored golf club heads |
April 4, 2000 |
| Inertially tailored golf club heads. A location for a center of gravity (CG) of a golf club head and magnitudes and directions of the principal moments of inertia of the golf club head are selected, and mass is distributed within the golf club head such that the center of gravity of |
| 6027416 |
Hollow, metallic golf club head with relieved sole and dendritic structure |
February 22, 2000 |
| A golf club head comprising toe and heel portions, a front wall defining a ball-striking face, and top and bottom walls, the bottom wall characterized as having a medial ridge, and as forming two shallow recesses, one recess between the ridge and the heel portion, and the other reces |
| 6018012 |
Two-component polyurethane top coat for golf balls |
January 25, 2000 |
| A two component polyurethane top coat for use with golf balls includes a polyol component and a polyisocyanate component. The polyol component includes a polyester polyol resin containing a neopentyl glycol resin. A mixture of silane and aziridine is also preferably included in the polyo |
| 6010411 |
Densified loaded films in composite golf club heads |
January 4, 2000 |
| The present invention is directed to improved heads for golf clubs, including iron, wood and putter type golf club heads, and to methods of manufacturing such golf club heads. One or more layers of a loaded film are used to define in part the overall weight, center of gravity, and in |
| 6007433 |
Sole configuration for golf club head |
December 28, 1999 |
| A sole configuration for a golf club head that provides the benefits of a sole configuration incorporating a medial ridge design. The medial ridge divides the sole into a toe and heel section. The sole further comprises a first and a second recess in the toe and heel sections respectivel |
| 6007432 |
Contoured golf club face |
December 28, 1999 |
| A contoured golf club face provides increased structural integrity for a given weight and size is described and shown along with a method for its design. The contoured golf club face includes a vertical stiffening region, a tapered horizontal stiffening region, four similar contoured |
| 5984807 |
Golf ball |
November 16, 1999 |
| A geometric-shaped core for a golf ball has a plurality of outwardly extending projections formed on a spherical central portion thereof. A layer of a relatively less resilient material is applied in the interstitial space between the projections on the surface of the core, and a cov |
| 5971868 |
Contoured back surface of golf club face |
October 26, 1999 |
| A contoured back surface of a golf club face is shown and described along with a method for its design. The preferred back surface comprises a surface with varying thicknesses such that regions of the face which experience an approximately similar load due to application of a certain |
| 5947836 |
Integral molded grip and shaft |
September 7, 1999 |
| A composite shaft having an integral grip. The shaft comprises a plurality of plies of pre-preg composite sheet molded into a tubular shaft body. The shaft body has a grip directly molded on one end which may include a grip geometry and/or an ornamental pattern. To manufacture the shaft, |
| 5830084 |
Contoured golf club face |
November 3, 1998 |
| A contoured golf club face provides increased structural integrity for a given weight and size is described and shown along with a method for its design. The contoured golf club face includes a vertical stiffening region, a tapered horizontal stiffening region, four similar contoured |
| 5820483 |
Reduced weight golf club shafts |
October 13, 1998 |
| Improved methods for manufacturing a shaft for a golf club, devices useful in such methods, and golf club shafts manufactured in accordance with such methods. A plug is detachably affixed to a distal end of a mandrel. A plurality of plies of pre-preg composite sheet are wrapped around th |
| 5803824 |
Golf putter with lie and offset adapter |
September 8, 1998 |
| A golf putter having a lie and offset adapter for selectively setting and/or adjusting the lie and offset of the putter. The adapter may comprise a spacer having a lower socket extending from a first end along a first longitudinal axis and a second socket extending from a second end |
| 5785605 |
Hollow, metallic golf club head with configured medial ridge |
July 28, 1998 |
| In combination with a golf club head which comprises a shell having toe and heel portions, a front wall defining a forward facing ball-striking face, and top and bottom walls, the bottom wall characterized as having a medial ridge, the improvement comprising a medial ridge having shallow |
| 5776010 |
Weight structure on a golf club head |
July 7, 1998 |
| An iron type golf club head which comprises a head body having a ball-striking front face, a rear side, a top, a bottom, a toe, and a heel; a recess formed in the head body proximate the head body rear side and bottom; and an inset positioned in the recess; the head body having a wei |
| 5755624 |
Selectively balanced golf club heads and method of head selection |
May 26, 1998 |
| A golf club head comprising a shell having toe and heel portions; a front wall defining a forward facing ball-striking face; and top and bottom walls, the bottom wall being metallic and having at least one local zone of relatively greater thickness, remaining extent of the bottom wall |
| 5749795 |
Iron golf club head with dual intersecting recesses |
May 12, 1998 |
| A golf club head having a body defining a heel, toe, top wall, bottom wall, and a front wall defining an upwardly and rearwardly inclined front face and rear face, comprising a body defining a forwardly extending main recess located rearwardly of the front wall; the body also defining an |
| 5739411 |
Accelerated impact testing apparatus |
April 14, 1998 |
| Accelerated impact testing apparatus which simulates the dynamic strain in golf clubs, shafts and other specimens by rapidly transferring kinetic energy to the specimen from an instrumented tup that is free to rebound. The specimen is held in place by two holding fixtures uniquely design |
| 5704849 |
Golf club head with audible vibration attenuation |
January 6, 1998 |
| A golf club head having a body defining a heel, toe, top wall, sole defining a bottom wall, and a front wall defining an upwardly and rearwardly inclined front face, and comprising the body defining a forwardly extending main recess located rearwardly of the front wall; and the body |
| 5697853 |
Hollow, metallic golf club head with relieved sole and dendritic structure |
December 16, 1997 |
| A golf club head comprising toe and heel portions, a front wall defining a ball-striking face, and top and bottom walls, the bottom wall characterized as having a medial ridge, and as forming two shallow recesses, one recess between the ridge and the heel portion, and the other reces |
| 5669828 |
Golf club metallic head formation |
September 23, 1997 |
| In the method of forming a hollow metallic golf club head having wall structure defining a front wall, a heel, a toe, a rear wall, a sole, and a top wall, the steps that include providing a wax shell covered preformed core body, the thickness of the wax shell corresponding to the desired |
| 5626530 |
Golf club head with sole bevel indicia |
May 6, 1997 |
| A golf club head having a body defining a heel, toe, top wall, sole defining a bottom wall, and a front wall defining an upwardly and rearwardly inclined front face, and comprising a bottom wall having a local bevel located medially of the head and extending rearwardly and upwardly t |
| 5611741 |
Hollow, large, metallic, golf club head |
March 18, 1997 |
| A golf club head comprising a shell having toe and heel portions, a rear wall, a front wall defining a ball-striking face, and top and bottom walls, the bottom wall characterized as having a medial ridge, and as forming two dished shallow recesses, one recess between the ridge and the |
| 5605511 |
Golf club head with audible vibration attenuation |
February 25, 1997 |
| A golf club head having a body defining a heel, toe, top wall, sole defining a bottom wall, and a front wall defining an upwardly and rearwardly inclined front face, and comprising the body defining a forwardly extending main recess located rearwardly of the front wall; and the body |
| 5605510 |
Golf putter with face plate insert |
February 25, 1997 |
| A golf putter for use with a putter shaft supporting a head, the head comprising a putter body having a heel, toe, and sole defining a bottom wall, and a front wall, the body elongated between the heel and toe, and; the body having at least one recess projecting forwardly toward a plane |
| 5588923 |
Golf club head with attached selected swing weight composite |
December 31, 1996 |
| In combination a golf club head having a front wall, the front wall having a rear side, and a composite adhered to the rear side, the composite including a selected swing weight adjusting intermediary layer, and a non-metallic rearwardly facing layer providing identification graphics |
| 5588922 |
Iron golf club head with forwardly divergent interior recess |
December 31, 1996 |
| A golf club head having a heel, toe, upper flange, lower flange, and a front wall defining an upwardly and rearwardly inclined front face comprising a head defining a forwardly extending main recess located rearwardly of the front wall, and between the upper and lower flanges; the up |
| 5577550 |
Golf club metallic head formation |
November 26, 1996 |
| A wax shell covered pre-formed core body is provided, the thickness of the wax shell corresponding to the desired thickness of the wall structure. A ceramic shell is formed about the wax shell. The wax shell is removed by melting the wax, thereby to form an opened gap between the ceramic |
| 5547630 |
Wax pattern molding process |
August 20, 1996 |
| A golf club head wax pattern molding process, employing a mold having a first cavity and cores in the mold cavity, including closing the mold with the cores positioned in the mold cavity, certain of the cores slidably interfitting endwise; injecting flowing heated wax into the mold to fl |
| 5485997 |
Golf putter head with face plate insert having heightened medial portion |
January 23, 1996 |
| In a putter head, the combination including a longitudinally elongated putter body in the form of a bar having a forward face for striking a golf ball, and rear side, top and bottom walls, a toe and a heel, between peripherally weighted toe and heel regions; a main recess sunk forwardly |
| 5480152 |
Hollow, metallic golf club head with relieved sole and dendritic structure |
January 2, 1996 |
| A set of golf club heads, each head comprising a shell having toe and heel portions, and a front wall defining a ball striking face, and top or bottom walls, the ball striking faces of the heads having varying angularities with respect to vertical, the bottom wall of each head having |
| 5474296 |
Metal wood golf club with variable faceplate thickness |
December 12, 1995 |
| A metallic, golf club head having a hollow interior, comprising a ball-striking front wall and the head having walls at the top, bottom, rear, heel and toe of the head; the front wall having variable thickness. |
| 5472203 |
Iron golf club head with dual intersecting recesses |
December 5, 1995 |
| A golf club head having a body defining a heel, toe, top wall, bottom wall, and a front wall defining an upwardly and rearwardly inclined front face and rear face, comprising a body defining a forwardly extending main recess located rearwardly of the front wall; the body also defining an |
| 5470069 |
Hollow, metallic golf club head with relieved sole and dendritic structure |
November 28, 1995 |
| A golf club head comprising toe and heel portions, a front wall defining a ball-striking face, and top and bottom walls, the bottom wall characterized as having a medial ridge, and as forming two shallow recesses, one recess between the ridge and the heel portion, and the other reces |
| 5470068 |
Golf putter with dished bottom surfaces |
November 28, 1995 |
| A golf putter head comprising a body having toe and heel portions, a front wall defining a ball-striking face, and top and bottom walls, the bottom wall characterized as having a medial ridge, and as forming two dished shallow recesses, one recess between the ridge and the heel portion, |
| 5464218 |
Golf putter head with undercut back cavity and peripheral weighting |
November 7, 1995 |
| In a putter head, the combination including a longitudinally elongated putter body in the form of a bar having a forward face for striking a golf ball, and rear side, top and bottom walls, a toe and a heel, between peripherally weighted toe and heel regions; a main recess sunk forwardly |
| 5460377 |
Golf putter with face plate insert |
October 24, 1995 |
| A golf putter for use with a putter shaft supporting a head, the head comprising a putter body having a heel, toe, and sole defining a bottom wall, and a front wall, the body elongated between the heel and toe, and; the body having at least one recess projecting forwardly toward a plane |
| 5460376 |
Hollow, large, metallic, golf club head |
October 24, 1995 |
| A golf club head comprising a shell having toe and heel portions, a rear wall, a front wall defining a ball-striking face, and top and bottom walls, the bottom wall characterized as having a medial ridge, and as forming two dished shallow recesses, one recess between the ridge and the |
| 5441264 |
Iron golf club head with straight, horizontal recess |
August 15, 1995 |
| A golf club head having a body defining a heel, toe, top wall, sole, and a front wall defining an upwardly and rearwardly inclined front face in ball-addressing position of the head, and comprisinga) said body defining a forwardly extending main recess located rearwardly of said front wa |
| 5437456 |
Iron golf club head with dual intersecting recesses and associated slits |
August 1, 1995 |
| A golf club head having a body defining a heel, toe, top wall, sole defining a bottom wall, and a front wall defining an upwardly and rearwardly inclined front face, and comprising the body defining a forwardly extending main recess located rearwardly of the front wall; and the body |
| 5429355 |
Golf club head to shaft connection |
July 4, 1995 |
| A golf club having a head and a shaft defining an axis, the head having a heel, a toe, a top, and a bottom, an improved connection of the shaft to the head comprising a socket associated with the head, the socket having inner wall structure extending in the direction of the axis, and wit |
| 5417559 |
Wax pattern mold |
May 23, 1995 |
| A wax pattern molding process, employing a mold having a cavity and a core structure in the mold cavity that include closing the mold with the core structure positioned in the mold cavity; injecting flowing heated wax into the mold to flow about the core; allowing the injected wax to coo |
| 5411263 |
Golf putter with bottom rail |
May 2, 1995 |
| A golf putter for use with a putter shaft supporting a head, the head comprising in combination a putter body having a heel, toe, sole defining a bottom wall, and a ball striking front face, the body elongated between the heel and toe; a control rail projecting downwardly from the bottom |
| 5409229 |
Golf club head with audible vibration attenuation |
April 25, 1995 |
| A golf club head having a body defining a heel, toe, top wall, sole defining a bottom wall, and a front wall defining an upwardly and rearwardly inclined front face, and comprising the body defining a forwardly extending main recess located rearwardly of the front wall; and the body |
| 5351958 |
Particle retention in golf club metal wood head |
October 4, 1994 |
| A golf club head comprising a bottom shell defining a hollow interior and having a hosel, and walls defining a ball striking front face, a toe and a heel; and a particle or piece getter within the interior and adherent to at least one of the walls; the getter comprising a substance prese |
| 5344150 |
Iron golf club head with straight, horizontal recess |
September 6, 1994 |
| A golf club head having a body defining a heel, toe, top wall, sole, and a front wall defining an upwardly and rearwardly inclined front face in ball-addressing position of the head, and comprisinga) said body defining a forwardly extending main recess located rearwardly of said front wa |
