# US 12,109,464 B2 · Golf club heads and methods to manufacture golf club heads > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,109,464 B2 - Document ID: US12109464B2 - Status: Granted - Kind: B2 - Application number: 18/613,386 - Filed: 2024-03-22 - Published: 2024-07-11 - Granted: 2024-10-08 - Earliest claimed: 2018-02-12 - Assignees: Parsons Xtreme Golf, LLC - Applicants: Parsons Xtreme Golf, LLC - Inventors: Robert R. Parsons; Michael R. Nicolette; Bradley D. Schweigert; Daniel C. Kirtley - Web page: https://patentgrep.com/patent/US12109464B2 ## CPC - A63B 53/0475: {with one or more enclosed cavities} - A63B 53/0408: {characterised by specific dimensions, e.g. thickness} - A63B 53/0412: {Volume} - A63B 53/0433: {with special sole configurations} - A63B 53/0445: {Details of grooves or the like on the impact surface} - A63B 53/0466: {wood-type} - A63B 60/002: {Resonance frequency related characteristics} - A63B 60/02: Ballast means for adjusting the centre of mass (A63B60/24, A63B60/54 take precedence) - A63B 60/54: with means for damping vibrations - A63B 2053/0479: {Wedge-type clubs, details thereof} - A63B 2053/0491: {with added weights, e.g. changeable, replaceable} - A63B 2209/00: Characteristics of used materials - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) ## Abstract Embodiments of golf club heads, golf clubs, and methods to manufacture golf club heads and golf clubs are generally described herein. In one example, a golf club head includes a body portion, a face portion with at least one back groove portion, a filler material in an interior cavity of the body portion, a first mass portion having a center of gravity (CG) location CGM1X, CGM1Y, CGM1Z, and a second mass portion having a CG location CGM2X, CGM2Y, CGM2Z. The first mass portion and the second mass portion have different shapes. A distance between CGM1X and CGM2X is greater than or equal to 0.5 inch and less than or equal to 2.0 inch, between CGM1Y and CGM2Y is less than or equal to 0.25 inch, and between CGM1Z and CGM2Z is less than or equal to 0.1 inch. Other examples and embodiments may be described and claimed. ## Claims ### Claim 1 A golf club head comprising: a body portion having a volume of less than or equal to 100 cubic centimeters, the body portion comprising a first material having a first density, an interior cavity, a toe portion with a toe portion edge, a heel portion with a heel portion edge, a front opening at a front portion, a back portion having a back wall portion, and a top portion; a reference coordinate system comprising a horizontal x-axis, a vertical y-axis orthogonal to the x-axis, and a z-axis orthogonal to both the x-axis and the y-axis; a center of gravity located at x-coordinate location CGX, y-coordinate location CGY, and z-coordinate location CGZ; a face portion coupled to the front portion to close the front opening, the face portion comprising at least one back groove portion; a filler material in the interior cavity; a coefficient of restitution of greater than or equal to 0.81; a first mass portion coupled to the body portion, the first mass portion comprising a second material having a second density different from the first density, the first mass portion having a first mass portion center of gravity located at x-coordinate location CGM1X, y-coordinate location CGM1Y, and z-coordinate location CGM1Z; and a second mass portion coupled to the body portion, the second mass portion comprising a third material having a third density different from the first density, wherein the first mass portion has a first shape and the second mass portion has a second shape different from the first shape, wherein a distance between the second mass portion and the toe portion edge is less than half a distance between the first mass portion and the toe portion edge, wherein a distance on the x-axis between CGM1X and CGX is less than or equal to 0.1 inch, wherein a distance on the y-axis between CGM1Y and CGY is less than or equal to 0.6 inch, and wherein a distance on the z-axis between CGM1Z and CGZ is less than or equal to 0.4 inch. ### Claim 2 (depends on 1) A golf club head as defined in claim 1, wherein a ratio of a weight of the second mass portion to a weight of the first mass portion is greater than or equal to 1.0. ### Claim 3 (depends on 1) A golf club head as defined in claim 1, wherein a portion of the first mass portion defines an outer surface of the body portion. ### Claim 4 (depends on 1) A golf club head as defined in claim 1, wherein the second mass portion is in the interior cavity. ### Claim 5 (depends on 1) A golf club head as defined in claim 1, wherein the face portion comprises a plurality of front grooves and a minimum thickness, wherein the minimum thickness is a distance between a bottom of a front groove and a bottom of the at least one back groove portion. ### Claim 6 (depends on 1) A golf club head as defined in claim 1, wherein a portion of the second mass portion proximate to a portion of the toe portion edge has a same curvature as the portion of the toe portion edge or a substantially similar curvature as the portion of the toe portion edge. ### Claim 7 A golf club head comprising: a body portion having a volume of less than or equal to 100 cubic centimeters, the body portion comprising a first material having a first density, an interior cavity, a toe portion with a toe portion edge, a heel portion with a heel portion edge, a front opening at a front portion, a back portion having a back wall portion, and a top portion; a reference coordinate system comprising a horizontal x-axis, a vertical y-axis orthogonal to the x-axis, and a z-axis orthogonal to both the x-axis and the y-axis; a center of gravity located at x-coordinate location CGX, y-coordinate location CGY, and z-coordinate location CGZ; a face portion coupled to the front portion to close the front opening, the face portion comprising at least one back groove portion; a filler material in the interior cavity; a coefficient of restitution of greater than or equal to 0.81; a first mass portion coupled to the body portion, the first mass portion comprising a second material having a second density different from the first density; and a second mass portion coupled to the body portion, the second mass portion comprising a third material having a third density different from the first density, the second mass portion having a second mass portion center of gravity located at x-coordinate location CGM2X, y-coordinate location CGM2Y, and z-coordinate location CGM2Z, wherein a distance between the second mass portion and the toe portion edge is greater than or equal to 0.1 inch and less than or equal to 0.25 inch, wherein a distance on the x-axis between CGM2X and CGX is greater than or equal to 0.5 inch and less than or equal to 2.0 inch, wherein a distance on the y-axis between CGM2Y and CGY is less than or equal to 0.5 inch, and wherein a distance on the z-axis between CGM2Z and CGZ is less than or equal to 0.5 inch. ### Claim 8 (depends on 7) A golf club head as defined in claim 7, wherein the second density and the third density are different. ### Claim 9 (depends on 7) A golf club head as defined in claim 7, wherein a distance between the second mass portion and the toe portion edge is less than half a distance between the first mass portion and the toe portion edge. ### Claim 10 (depends on 7) A golf club head as defined in claim 7, wherein a portion of the first mass portion defines an outer surface of the body portion. ### Claim 11 (depends on 7) A golf club head as defined in claim 7, wherein the second mass portion is in the interior cavity. ### Claim 12 (depends on 7) A golf club head as defined in claim 7, wherein the at least one back groove portion is filled or at least partially filled with the filler material. ### Claim 13 (depends on 7) A golf club head as defined in claim 7, wherein a portion of the second mass portion proximate to a portion of the toe portion edge has a same curvature as the portion of the toe portion edge or a substantially similar curvature as the portion of the toe portion edge. ### Claim 14 A golf club head comprising: a body portion having a volume of less than or equal to 100 cubic centimeters, the body portion comprising an interior cavity, a toe portion with a toe portion edge, a heel portion with a heel portion edge, a front opening at a front portion, a back portion having a back wall portion, and a top portion; a reference coordinate system comprising a horizontal x-axis, a vertical y-axis orthogonal to the x-axis, and a z-axis orthogonal to both the x-axis and the y-axis; a center of gravity located at x-coordinate location CGX, y-coordinate location CGY, and z-coordinate location CGZ; a face portion coupled to the front portion to close the front opening, the face portion comprising at least one back groove portion; a filler material in the interior cavity; a coefficient of restitution of greater than or equal to 0.81; a first mass portion coupled to the body portion, the first mass portion having a first mass portion center of gravity located at x-coordinate location CGM1X, y-coordinate location CGM1Y, and z-coordinate location CGM1Z; and a second mass portion coupled to the body portion, the second mass portion having a second mass portion center of gravity located at x-coordinate location CGM2X, y-coordinate location CGM2Y, and z-coordinate location CGM2Z, wherein a ratio of a weight of the second mass portion to a weight of the first mass portion is greater than or equal to 1.0, wherein a shape of the first mass portion is different from a shape of the second mass portion, wherein a distance on the x-axis between CGM1X and CGM2X is greater than or equal to 0.5 inch and less than or equal to 2.0 inch, wherein a distance on the y-axis between CGM1Y and CGM2Y is less than or equal to 0.25 inch, and wherein a distance on the z-axis between CGM1Z and CGM2Z is less than or equal to 0.1 inch. ### Claim 15 (depends on 14) A golf club head as defined in claim 14, wherein a distance between the second mass portion and the toe portion edge is greater than or equal to 0.1 inch and less than or equal to 0.25 inch. ### Claim 16 (depends on 14) A golf club head as defined in claim 14, further comprising a port in the interior cavity, the port having a port height extending in a top-to-sole direction, a port width extending in a heel-to-toe direction and a port width extending in a front-to-back direction from the interior cavity toward the back wall portion, wherein the port is configured to receive the second mass portion. ### Claim 17 (depends on 14) A golf club head as defined in claim 14, wherein a portion of the first mass portion defines an outer surface of the body portion and is visible on an exterior of the body portion, and wherein the second mass portion is in the interior cavity and is not visible from an exterior of the body portion. ### Claim 18 (depends on 14) A golf club head as defined in claim 14, wherein a distance between the second mass portion and the toe portion edge is less than half a distance between the first mass portion and the toe portion edge. ### Claim 19 (depends on 14) A golf club head as defined in claim 14, wherein a portion of the second mass portion proximate to a portion of the toe portion edge has a same curvature as the portion of the toe portion edge or a substantially similar curvature as the portion of the toe portion edge. ### Claim 20 (depends on 14) A golf club head as defined in claim 14, wherein a total weight of the filler material is greater than or equal to 15 grams and less than or equal to 35 grams.