The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 8182364 | Golf clubs with cavities, and related methods Embodiments of golf clubs with one or more cavities described herein. Related examples and methods are also disclosed herein. ... | 05/22/2012 |
| 8182363 | Golf club head and removeable weight A golf club head and a removable weight that is received in a receptacle of the golf club head. The weight includes a cap and a slug. The cap is removably coupled to the receptacle and includes a recess that slidably receives a portion of the slug so that the cap an... | 05/22/2012 |
| 8088023 | Iron golf club head An iron golf club head includes: a block that is made by a magnesium alloy; and a metal head main body, wherein the block is embedded into the metal head main body. ... | 01/03/2012 |
| 7963861 | Golf club head having movable weights One embodiment of a golf club head having movable weights includes a body with a face plate positioned at a forward portion of the golf club head, a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion of the golf club head ... | 06/21/2011 |
| 7878924 | Quick release connection system for golf clubs The present invention is directed at a quick release connection system to facilitate customization of golf clubs. It can be used to interchange shafts, removable weights, or soleplates quickly and easily. Teeth are disposed on the inside of a frame so that a shaft m... | 02/01/2011 |
| 7871339 | Golf club with swing balance weight cover A golf club head includes a balance weight for swing balancing the golf club. The balance weight is selected from a plurality of balance weights and mounted in a weight cavity formed in the golf club head. A cover, imprinted with information such as the club model d... | 01/18/2011 |
| 7828674 | Iron golf club head An iron golf club head includes: a block that is made by a magnesium alloy; and a metal head main body, wherein the block is embedded into the metal head main body. ... | 11/09/2010 |
| 7811179 | Multi-metal golf clubs Disclosed herein is a golf club head having a body portion and a face insert. The front of the body portion further comprises a cutout sized and dimensioned to receive the face insert. The body portion is preferably made from a high-strength metal such as stainless ... | 10/12/2010 |
| 7771290 | Golf club head and removable weight A golf club head and a removable weight that is received in a receptacle of the golf club head. The weight includes a cap and a slug. The cap is removably coupled to the receptacle and includes a recess that slidably receives a portion of the slug so that the cap an... | 08/10/2010 |
| 7753807 | Golf club head A hollow golf club head having a face portion, a crown portion, a sole portion, a side portion and a hosel portion comprises: a face component made of a titanium alloy and forming a major part of the face portion; a hosel-and-heel component made of a titanium alloy ... | 07/13/2010 |
| 7731603 | Golf club head Disclosed herein are various embodiments of a golf club head having improved mass distribution characteristics. The golf club head includes a body and a face positioned at a forward portion of the body. The golf club head also includes one or more mass elements posi... | 06/08/2010 |
| 7722478 | Golf club head and golf club A golf club head, in particular a golf putter head, with a striking face, which is provided on the front side of a striking part, for a golf ball, and with a device, which is fastened to the rear side of the striking part, for receiving interchangeable weights. The ... | 05/25/2010 |
| 7682263 | Golf club head A golf club head having a hollow structure including a club face having a toe-side extreme end and a heel-side extreme end between which a club face maximum width Wf is defined; and a rear part being rear of the club face and having a toe-side extreme end and a heel... | 03/23/2010 |
| 7651410 | Golf club head A golf club head that includes: a pedestal composed of at least two ribs each having convex portions at both ends and formed on an inner face of the head; a metal weight disposed on the ribs; and a weld bead extending on a surface of the weight between the convex po... | 01/26/2010 |
| 7628711 | Golf club head A golf club head includes a head body formed with a cavity, and a counterweight unit fitted in the cavity and including a sleeve body and an insert body. The sleeve body has a first end face, a second end face, first and second cavities, and first and second inner w... | 12/08/2009 |
| 7549935 | Golf club head A golf club head (42) having a substantially square or rectangular body is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a fa... | 06/23/2009 |
| 7530903 | Golf club head A hollow golf club head includes a face portion made of metal, a sole portion, a side portion, a crown portion, and a hosel portion. The crown portion includes a main portion made of a fiber reinforced resin, and a front edge portion made of the metal. The front edg... | 05/12/2009 |
| 7520821 | Golf club head and method of making same A golf club head, preferably a putter head, has a body fitted with inserts having a density greater than that of the club head body. Two cavities are formed in the body. One cavity is adjacent a heel region of the body, and the other cavity is adjacent a toe region ... | 04/21/2009 |
| 7507167 | Golf club head with multiple undercuts The present invention relates to a golf club head having multiple undercuts. The club head includes a body defining a striking face, a top line, a sole, and a back, and having a heel and a toe. The back contains a cavity. Multiple undercuts in the form of a pluralit... | 03/24/2009 |
| 7497788 | Golf club head A hollow golf club head has a face portion, a sole portion, a side portion, a crown portion, and a hosel portion. A main portion of the crown portion is made of fiber reinforced plastic. At least the face portion and the front edge portion of the crown portion conti... | 03/03/2009 |
| 7419441 | Golf club head weight reinforcement A wood-type golf club head is described that includes a body including one or more walls defining an interior cavity and multiple weight ports formed in the body. At least one weight is configured to be retained at least partially within at least one of the weight p... | 09/02/2008 |
| 7407448 | Golf club head A golf club head (42) having more than 50% of a volume forward of a center of gravity and more than 50% of a mass rearward of the center of gravity is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters ... | 08/05/2008 |
| 7351163 | 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... | 04/01/2008 |
| 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 |
| 7351162 | Golf club head with alignment system A golf club head is disclosed. The golf club head includes a first body member and a second body member. The first body member includes a strike face and a top portion. The second body member is coupled to the first body member and extends away from the first body m... | 04/01/2008 |
| 7347795 | Golf club head A golf club head includes a front body formed of a titanium-based metal material, an FRP body, a metallic sole plate, and a weight member. The front body has a face portion, a metal sole portion, a metal side portion (toe), a metal crown portion, a metal side portio... | 03/25/2008 |
| 7347793 | Weight-balanced golf putter head A golf putter head is generally triangular, when viewed from the top, with a flat, front face and a trailing, central tail. When viewed from the side, the head has a generally straight front face and a flat or slightly curved or rounded bottom surface. The shaft for... | 03/25/2008 |
| 7341527 | Golf putter with multiple striking-surfaces, reversible face plate A golf putter including a head which has detachably fastened to the body thereof a face plate provided with a plurality of striking surfaces which are selectably and interchangeably oriented by a player to a forward facing use position, the striking surfaces each ha... | 03/11/2008 |
| 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 |
| 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 |
| 7326128 | Golf club head and method of making same A golf club head, preferably a putter head, has a body fitted with inserts having a density greater than that of the club head body. Two cavities are formed in the body and are accessible only through a front face of the body. One cavity is adjacent a heel region of... | 02/05/2008 |
| 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 |
| 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 |
| 7318782 | Golf club head A golf club head includes a front body formed of a metal material, an FRP body, a metallic sole plate, and a weight member. The front body has a face portion, a metal sole portion, a metal side portion (toe), a metal crown portion, a metal side portion (heel), and a... | 01/15/2008 |
| 7316622 | Adjustable golf putter An adjustable putter 10 having a shaft (12) and a grip assembly (16) that is connected to the butt end of shaft (12). A hosel assembly (20) is connected to the tip end (18) of shaft (12) and a head assembly (22... | 01/08/2008 |
| 7311613 | Golf club head A golf club head (42) having more than 50% of a volume forward of a center of gravity and more than 50% of a mass rearward of the center of gravity is disclosed herein. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters ... | 12/25/2007 |
| 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 |
| 7294065 | Weight assembly for golf club head A golf club head includes a body, a weight, and a positioning resilient member. The body includes an engaging seat having a perimeter wall and a perimeter groove defined in the perimeter wall. The weight is mounted in the engaging seat, and includes a main body havi... | 11/13/2007 |
| 7281991 | Hollow golf club with composite core A hollow golf club having a hosel sleeve weight made from tungsten material in the upper hosel area and a tungsten toe plug in the lower toe portion of the club head. This combination creates an increase in the moment of inertia of the club head about the x, y and z... | 10/16/2007 |