Patents by Inventor Martin R. Jertson

Martin R. Jertson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240123296
    Abstract: Disclosed herein is a golf club heads having a body portion and a face portion, wherein the face portion comprises a variable thickness profile disposed at an angle on the rear surface of the face plate.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Inventors: Eric J. Morales, Martin R. Jertson, Ryan M. Stokke, Jacob T. Clarke, Evan Greer
  • Patent number: 11957965
    Abstract: A golf club head includes a club body and a resting face angle adjuster. The club body includes a crown opposite a sole, a toe end opposite a heel end, a back end opposite a face, and a hosel. The sole includes a sole surface. The resting face angle adjuster includes an adjustment member having a keel surface, and a recess formed in the sole such that a portion of the sole surface at least partially bounds the recess. The adjustment member is disposed in the recess and positionable between a first adjustment position and a second adjustment position. In the first adjustment position, the keel surface is at a first distance relative to the portion of the sole surface. In the second adjustment position, the keel surface is at a second distance relative to the portion of the sole surface not equal to the first distance in the direction.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: April 16, 2024
    Assignee: Karsten Manufacturing Corporation
    Inventors: Martin R. Jertson, Daniel K. Lee, Xiaojian Chen, Travis D. Milleman
  • Publication number: 20240091606
    Abstract: Provided herein are embodiments of golf club heads comprising a crown and a ribbed region. The ribbed region of the golf club head can be positioned on a portion of the crown and can further include a ribbed wall, wherein the ribbed wall comprises a ribbed wall interior surface, a ribbed wall exterior surface, and one or more external ribs. The one or more external ribs can protrude from the ribbed region to increase the strength of the crown and beneficially reduce crown thickness. Other embodiments and related methods are disclosed herein.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: Ryan M. Stokke, Martin R. Jertson, David A. Higdon, Xiaojian Chen
  • Publication number: 20240082666
    Abstract: A golf club head includes a rear body having a crown member coupled to a sole member, and a front body coupled to the rear body to define a substantially hollow structure. The front body includes a strike face and a surrounding frame that extends rearward from a perimeter of the strike face. At least a portion of an outer wall of the club head comprises a thermoplastic composite having a plurality of lamina layers. The plurality of lamina layers include at least a fabric reinforced thermoplastic composite layer and a filled thermoplastic layer, and the fabric reinforced thermoplastic composite layer and the filled thermoplastic layer are directly bonded to each other without an intermediate adhesive.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Eric J. Morales, Ryan M. Stokke, Martin R. Jertson, Clayson C. Spackman, Cory S. Bacon, Yujen Huang, Travis D. Milleman
  • Publication number: 20240082680
    Abstract: Embodiments of a system for measuring and displaying a color code representing a lie angle value corresponding to suitably calibrated club heads are described herein.
    Type: Application
    Filed: June 12, 2023
    Publication date: March 14, 2024
    Inventors: Martin R. Jertson, Roger J. Cottam
  • Publication number: 20240075350
    Abstract: Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, a top rail and an inflection point. The inflection point provides increase bending of the strikeface thereby providing performance enhancement over clubs without an inflection point.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 7, 2024
    Inventors: Martin R. Jertson, Eric J. Morales, Cory S. Bacon, Calvin Wang, Xiaojian Chen, Travis D. Milleman
  • Patent number: 11918871
    Abstract: Embodiments of golf club heads having adjustable weighting systems with a plurality of discrete attachment locations capable of receiving one or more weights are described herein. The golf club heads described herein provide user adjustability of club head center of gravity to adjust ball flight while maintaining a high moment of inertia and low and back center of gravity position.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: March 5, 2024
    Assignee: Karsten Manufacturing Corporation
    Inventors: Martin R. Jertson, Ryan M. Stokke, Xiaojian Chen, Cory S. Bacon, Jeremy Pope, Daniel K. Lee, David A. Higdon, Eric J. Morales
  • Patent number: 11918873
    Abstract: A golf club includes a golf club head, a shaft adapter secured within a hosel of the golf club head, and a shaft secured within the shaft adapter. The golf club shaft is formed from a fiber reinforced polymer and extends along a longitudinal axis between a tip end and a grip end. The golf club shaft includes a tip end section, a grip end section, and a tapered section between the tip end section and the grip end section. The tapered section of the shaft includes a reference portion within the upper half that has a frustoconical shape with a near-constant taper rate, and a narrowed portion within the lower half. The narrowed portion is recessed relative to a reference surface extrapolated from the frustoconical shape.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: March 5, 2024
    Assignee: Karsten Manufacturing Corporation
    Inventors: David S. Kultala, Martin R. Jertson, Ryan M. Stokke
  • Patent number: 11850479
    Abstract: Disclosed herein is a golf club heads having a body portion and a face portion, wherein the face portion comprises a variable thickness profile disposed at an angle on the rear surface of the face plate.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: December 26, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Eric J. Morales, Martin R. Jertson, Ryan M. Stokke, Jacob T. Clarke, Evan Greer
  • Publication number: 20230405418
    Abstract: Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, a crown, and a cavity positioned behind the strikeface on at least one of the sole and the crown. In many embodiments, the cavity comprises a front surface, and a rear surface, wherein at least a portion of the front surface extends toward the strikeface of the club head.
    Type: Application
    Filed: August 8, 2023
    Publication date: December 21, 2023
    Inventors: Martin R. Jertson, Eric J. Morales, Cory S. Bacon, Calvin Wang, Xiaojian Chen, Ryan M. Stokke, Travis D. Milleman
  • Patent number: 11826619
    Abstract: Golf club heads with trench features are described herein. Other embodiments and related methods are also disclosed herein.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: November 28, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Ryan M. Stokke, Martin R. Jertson, Brandon L. Fossum
  • Patent number: 11826618
    Abstract: Provided herein are embodiments of golf club heads comprising a crown and a ribbed region. The ribbed region of the golf club head can be positioned on a portion of the crown and can further include a ribbed wall, wherein the ribbed wall comprises a ribbed wall interior surface, a ribbed wall exterior surface, and one or more external ribs. The one or more external ribs can protrude from the ribbed region to increase the strength of the crown and beneficially reduce crown thickness. Other embodiments and related methods are disclosed herein.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: November 28, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Ryan M. Stokke, Martin R. Jertson, David A. Higdon, Xiaojian Chen
  • Publication number: 20230372793
    Abstract: Disclosed herein is a golf club heads having a body portion and a face portion, wherein the face portion comprises a variable thickness profile disposed at an angle on the rear surface of the face plate.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: Eric J. Morales, Martin R. Jertson, Ryan M. Stokke, Jacob T. Clarke
  • Patent number: 11819743
    Abstract: A golf club head includes a rear body having a crown member coupled to a sole member, and a front body coupled to the rear body to define a substantially hollow structure. The front body includes a strike face and a surrounding frame that extends rearward from a perimeter of the strike face. At least a portion of an outer wall of the club head comprises a thermoplastic composite having a plurality of lamina layers. The plurality of lamina layers include at least a fabric reinforced thermoplastic composite layer and a filled thermoplastic layer, and the fabric reinforced thermoplastic composite layer and the filled thermoplastic layer are directly bonded to each other without an intermediate adhesive.
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: November 21, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Eric J. Morales, Ryan M. Stokke, Martin R. Jertson, Clayson C. Spackman, Cory S. Bacon, Yujen Huang, Travis D. Milleman
  • Patent number: 11819740
    Abstract: Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, and a crown. In many embodiments, the crown comprises an upper region comprising a top rail and a lower region. In some embodiments, a cavity is located below the top rail, is located above the lower region of the crown, and is defined at least in part by the upper and lower regions of the crown. The cavity comprises a top wall, a back wall, a bottom incline, a back cavity angle measured between the top and back walls of the cavity and at least one channel.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: November 21, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Martin R. Jertson, Eric J. Morales, Cory S. Bacon, Calvin Wang, Xiaojian Chen
  • Publication number: 20230356045
    Abstract: Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, a top rail and an inflection point. The inflection point provides increase bending of the strikeface thereby providing performance enhancement over clubs without an inflection point.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 9, 2023
    Inventors: Calvin S. Wang, Ryan M. Stokke, Martin R. Jertson
  • Publication number: 20230347215
    Abstract: Embodiments of a golf club head with a plurality of energy storage features are presented herein. In some embodiments, a golf club head comprises a body comprising a strike face, a heel region, a toe region opposite the heel region, a sole, a crown, an S-shaped channel, a chamfer spanning between a strike face and the crown, and an internal radius transition feature from the strike face to at least one of the sole or the crown.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Inventors: Cory S. Bacon, Eric J. Morales, Ryan M. Stokke, Calvin S. Wang, Xiaojian Chen, Travis D. Milleman, Martin R. Jertson
  • Publication number: 20230338792
    Abstract: Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, a top rail and an inflection point. The inflection point provides increase bending of the strikeface thereby providing performance enhancement over clubs without an inflection point.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 26, 2023
    Inventors: Martin R. Jertson, Eric J. Morales, Cory S. Bacon, Calvin Wang, Xiaojian Chen, Travis D. Milleman, Evan R. Greer, Murphy R. Alexander
  • Publication number: 20230302333
    Abstract: A hollow golf club head includes a metallic front body coupled with a composite rear body. The front body includes a strike face and a surrounding frame that extends rearward from a perimeter of the strikeface. The rear body includes a crown member coupled with a sole member. The sole member has a structural layer formed from a filled thermoplastic material, while the resilient layer is bonded to the external surface of the structural layer and is formed from a fiber-reinforced thermoplastic composite material. The resilient layer has an opening through which a metallic weight pad at least partially extends. The weight pad is bonded to the structural layer and includes an aperture for attaching a metallic weight. The golf club head can also have one or more structural members that are upright and connect the weight pad to the crown member.
    Type: Application
    Filed: May 30, 2023
    Publication date: September 28, 2023
    Inventors: Travis D. Milleman, Ryan M. Stokke, Eric J. Morales, Martin R. Jertson, Tyler A. Shaw
  • Patent number: 11766595
    Abstract: Embodiments of golf club weight attachment mechanisms are described herein. In some embodiments, a golf club head comprises a head body with an interior cavity, a shell portion, and a bracket with a weight member coupled to the bracket. In one embodiment, the bracket and the weight member can be configured to be fully contained within the interior cavity. Other examples and related methods are also described herein.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: September 26, 2023
    Assignee: Karsten Manufacturing Corporation
    Inventors: Eric J. Morales, Martin R. Jertson, John A. Solheim