Patents by Inventor David Kultala

David Kultala 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).

  • ADJUSTABLE LENGTH SHAFT AND AN ADJUSTABLE MASS FOR A GOLF CLUB
    Publication number: 20220111274
    Abstract: A golf club has a first shaft coupled to a club head, a second shaft configured to slidably engage a portion of the first shaft, a grip coupled to the second shaft, and an adjustable length shaft assembly received by the second shaft and configured to allow a portion of the first shaft to slide in relation to the second shaft in a first configuration, and to restrict a portion of the first shaft from sliding in relation to the second shaft in a second configuration. The grip is restricted from rotation about the first shaft or the second shaft as the first shaft slides in relation to the second shaft.
    Type: Application
    Filed: December 21, 2021
    Publication date: April 14, 2022
    Inventors: Travis Milleman, Tony Serrano, Eric Cole, David Kultala, David Petersen, Tom Morris
  • Adjustable length shaft and an adjustable mass for a golf club
    Patent number: 11224786
    Abstract: A golf club has a first shaft coupled to a club head, a second shaft configured to slidably engage a portion of the first shaft, a grip coupled to the second shaft, and an adjustable length shaft assembly received by the second shaft and configured to allow a portion of the first shaft to slide in relation to the second shaft in a first configuration, and to restrict a portion of the first shaft from sliding in relation to the second shaft in a second configuration. The grip is restricted from rotation about the first shaft or the second shaft as the first shaft slides in relation to the second shaft.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: January 18, 2022
    Assignee: Karsten Manufacturing Corporation
    Inventors: Travis Milleman, Tony Serrano, Eric Cole, David Kultala, David Petersen, Toby Stapleton, Tom Morris
  • Method of manufacturing a system of golf clubs
    Patent number: 10940376
    Abstract: Described herein is a system of golf clubs having shafts with ascending weights (shaft weights that increase as shaft lengths decrease). The system of golf clubs can be manufactured by implementing a method called “stepping”, which allows the system of golf clubs with ascending weights to be manufactured with reduced quantity of inventory.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: March 9, 2021
    Assignee: Karsten Manufacturing Corporation
    Inventors: David Kultala, Martin Jertson
  • ADJUSTABLE LENGTH SHAFT AND AN ADJUSTABLE MASS FOR A GOLF CLUB
    Publication number: 20200269104
    Abstract: A golf club has a first shaft coupled to a club head, a second shaft configured to slidably engage a portion of the first shaft, a grip coupled to the second shaft, and an adjustable length shaft assembly received by the second shaft and configured to allow a portion of the first shaft to slide in relation to the second shaft in a first configuration, and to restrict a portion of the first shaft from sliding in relation to the second shaft in a second configuration. The grip is restricted from rotation about the first shaft or the second shaft as the first shaft slides in relation to the second shaft.
    Type: Application
    Filed: May 13, 2020
    Publication date: August 27, 2020
    Inventors: Travis Milleman, Tony Serrano, Eric Cole, David Kultala, David Petersen, Toby Stapleton, Tom Morris
  • Adjustable length shaft and an adjustable mass for a golf club
    Patent number: 10675521
    Abstract: A golf club has a first shaft coupled to a club head, a second shaft configured to slidably engage a portion of the first shaft, a grip coupled to the second shaft, and an adjustable length shaft assembly received by the second shaft and configured to allow a portion of the first shaft to slide in relation to the second shaft in a first configuration, and to restrict a portion of the first shaft from sliding in relation to the second shaft in a second configuration. The grip is restricted from rotation about the first shaft or the second shaft as the first shaft slides in relation to the second shaft.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: June 9, 2020
    Assignee: Karsten Manufacturing Corporation
    Inventors: Travis Milleman, Tony Serrano, Eric Cole, David Kultala, David Petersen, Toby Stapleton, Tom Morris
  • ASCENDING WEIGHT IRON SHAFT SYSTEM
    Publication number: 20190038945
    Abstract: Described herein is a system of golf clubs having shafts with ascending weights (shaft weights that increase as shaft lengths decrease). The system of golf clubs can be manufactured by implementing a method called “stepping”, which allows the system of golf clubs with ascending weights to be manufactured with reduced quantity of inventory.
    Type: Application
    Filed: October 5, 2018
    Publication date: February 7, 2019
    Inventors: David Kultala, Martin Jertson
  • Ascending weight iron shaft system
    Patent number: 10112086
    Abstract: Described herein is a system of golf clubs having shafts with ascending weights (shaft weights that increase as shaft lengths decrease). The system of golf clubs can be manufactured by implementing a method called “stepping”, which allows the system of golf clubs with ascending weights to be manufactured with reduced quantity of inventory.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: October 30, 2018
    Assignee: Karsten Manufacturing Corporation
    Inventors: David Kultala, Martin Jertson
  • ASCENDING WEIGHT IRON SHAFT SYSTEM
    Publication number: 20170065860
    Abstract: Described herein is a system of golf clubs having shafts with ascending weights (shaft weights that increase as shaft lengths decrease). The system of golf clubs can be manufactured by implementing a method called “stepping”, which allows the system of golf clubs with ascending weights to be manufactured with reduced quantity of inventory.
    Type: Application
    Filed: March 14, 2016
    Publication date: March 9, 2017
    Inventors: David Kultala, Martin Jertson
  • ADJUSTABLE LENGTH SHAFT AND AN ADJUSTABLE MASS FOR A GOLF CLUB
    Publication number: 20170021250
    Abstract: A golf club has a first shaft coupled to a club head, a second shaft configured to slidably engage a portion of the first shaft, a grip coupled to the second shaft, and an adjustable length shaft assembly received by the second shaft and configured to allow a portion of the first shaft to slide in relation to the second shaft in a first configuration, and to restrict a portion of the first shaft from sliding in relation to the second shaft in a second configuration. The grip is restricted from rotation about the first shaft or the second shaft as the first shaft slides in relation to the second shaft.
    Type: Application
    Filed: May 26, 2016
    Publication date: January 26, 2017
    Inventors: Travis Milleman, Tony Serrano, Eric Cole, David Kultala, David Petersen, Toby Stapleton, Tom Morris