Patents by Inventor Greg Mackall

Greg Mackall 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: 20250214681
    Abstract: A wakeboard tower assembly includes a base assembly operably supporting a towing assembly between a lowered storage position and a raised in-use position, and a cylinder assembly configured to bias the towing assembly from the lowered storage position toward the raised in-use position, a closed loop fluid circuit that includes a fluid-receiving first chamber including first and second portions and a return passage, and a gas-receiving second chamber including first and second portions in fluid connection with one another, a shaft telescopingly received within the cylinder between retracted and extended positions, and a controllable valve operable between closed and open positions that prevents or allows fluid flow through the return passage and fluid communication between the first and second chambers of the first chamber thereby preventing or allowing the towing assembly from moving between the lowered storage and raised in-use positions.
    Type: Application
    Filed: March 21, 2025
    Publication date: July 3, 2025
    Inventors: Jim Schulz, Greg Mackall, Doug Erdman
  • Patent number: 12280856
    Abstract: A wakeboard tower assembly includes a base assembly operably supporting a towing assembly between a lowered storage position and a raised in-use position, and a cylinder assembly configured to bias the towing assembly from the lowered storage position toward the raised in-use position, a closed loop fluid circuit that includes a fluid-receiving first chamber including first and second portions and a return passage, and a gas-receiving second chamber including first and second portions in fluid connection with one another, a shaft telescopingly received within the cylinder between retracted and extended positions, and a controllable valve operable between closed and open positions that prevents or allows fluid flow through the return passage and fluid communication between the first and second chambers of the first chamber thereby preventing or allowing the towing assembly from moving between the lowered storage and raised in-use positions.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: April 22, 2025
    Assignee: Geremarie Corporation
    Inventors: Jim Schultz, Greg Mackall, Doug Erdman
  • Publication number: 20220371693
    Abstract: A wakeboard tower assembly includes a base assembly operably supporting a towing assembly between a lowered storage position and a raised in-use position, and a cylinder assembly configured to bias the towing assembly from the lowered storage position toward the raised in-use position, a closed loop fluid circuit that includes a fluid-receiving first chamber including first and second portions and a return passage, and a gas-receiving second chamber including first and second portions in fluid connection with one another, a shaft telescopingly received within the cylinder between retracted and extended positions, and a controllable valve operable between closed and open positions that prevents or allows fluid flow through the return passage and fluid communication between the first and second chambers of the first chamber thereby preventing or allowing the towing assembly from moving between the lowered storage and raised in-use positions.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 24, 2022
    Applicant: Geremarie Corporation
    Inventors: Jim Schultz, Greg Mackall, Doug Erdman