Patents by Inventor Eric D. Norquist

Eric D. Norquist 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).

  • Patent number: 12618485
    Abstract: A valve is for controlling flow of a pressurized fluid to a tool. The valve has a manifold, a poppet biased into an unseated position in which the pressurized fluid may flow from the manifold via a tank outlet, a piston configured to move the poppet into a seated position when the pressurized fluid flows into the manifold via the manifold inlet at a first fluid pressure, and a check valve biased into a closed position in which the pressurized fluid is prevented from flowing from the manifold via the tool outlet. A retainer retains the poppet relative to the piston and is configured so that when the poppet is in the seated position, the piston is independently movable relative to the poppet and thus permits the poppet to remain in the seated position upon variations in fluid pressure in the manifold.
    Type: Grant
    Filed: October 9, 2024
    Date of Patent: May 5, 2026
    Assignee: Enerpac Tool Group Corp.
    Inventors: Nathaniel Olbrich, Eric D. Norquist, Arnold Decker
  • Publication number: 20250345917
    Abstract: A power tool includes a tool body defining a first end and a second end opposite the first end, a head positioned at the first end of the tool body, an indicator light positioned at the second end of the tool body, a first actuator that is actuated to cause the head to perform a work operation, and a controller that monitors a predetermined criterion based on comparing a characteristic of the head to a threshold value. The controller causes the indicator light to emit a first light emission when the predetermined criterion is satisfied and causes the indicator light to emit a second light emission when the predetermined criterion is not satisfied. The second light emission is different from the first light emission.
    Type: Application
    Filed: July 22, 2025
    Publication date: November 13, 2025
    Inventors: Brian J. Hyde, Nathan J. Krause, Eric D. Norquist, Amanda M. Kachar
  • Patent number: 12384011
    Abstract: A hydraulic tool includes a head at a first end of the hydraulic tool, where the head is configured to apply a mechanical force to a work piece; a body including a first surface; a back portion including: a second surface at a second end of the hydraulic tool that is opposite the first end; a third surface that is between the first surface and the second surface, where the third surface is inclined with respect to the first surface and the second surface; an indicator light; and a window, at least a portion of which is positioned on the third surface, where the window covers the indicator light; and a grip that extends from the body away from the first surface.
    Type: Grant
    Filed: May 15, 2024
    Date of Patent: August 12, 2025
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Brian J. Hyde, Nathan J. Krause, Eric D. Norquist, Amanda M. Kachar
  • Publication number: 20250224042
    Abstract: A valve is for controlling flow of a pressurized fluid to a tool. The valve has a manifold, a poppet biased into an unseated position in which the pressurized fluid may flow from the manifold via a tank outlet, a piston configured to move the poppet into a seated position when the pressurized fluid flows into the manifold via the manifold inlet at a first fluid pressure, and a check valve biased into a closed position in which the pressurized fluid is prevented from flowing from the manifold via the tool outlet. A retainer retains the poppet relative to the piston and is configured so that when the poppet is in the seated position, the piston is independently movable relative to the poppet and thus permits the poppet to remain in the seated position upon variations in fluid pressure in the manifold.
    Type: Application
    Filed: October 9, 2024
    Publication date: July 10, 2025
    Applicant: Enerpac Tool Group Corp.
    Inventors: Nathaniel Olbrich, Eric D. Norquist, Arnold Decker
  • Publication number: 20250196307
    Abstract: A hydraulic tool for working on a workpiece. A housing is configured for holding. A motor is positioned in the housing. A battery is supported by the housing and operable to supply power to the motor. A drive mechanism is supported by the housing and includes a cylinder, a piston moveably supported in the cylinder, and a pump powered by the motor and operable to supply hydraulic fluid to the cylinder to move the piston relative to the cylinder. A head is supported by the housing and has an opening for receiving the workpiece therein. A spindle is operatively coupled to the drive mechanism such that operating the drive mechanism moves the spindle towards the workpiece within the opening in the head to work on the workpiece.
    Type: Application
    Filed: February 27, 2025
    Publication date: June 19, 2025
    Applicant: Enerpac Tool Group Corp.
    Inventors: Eric D. Norquist, Ben Gall, Celia Sánchez Santero, Daniel Escudero Alonso, Elizabeth M. Neelsen, Kyle M. Harvey, Nathaniel Olbrich
  • Publication number: 20250144781
    Abstract: An example hydraulic tool includes: a fluid reservoir; a pump; an electric motor; a cylinder; a piston; a first trigger button; a second trigger button; and a controller configured to perform operations comprising: receiving a first signal when the first trigger button is triggered, responsively, causing the electric motor to rotate in a first rotational direction, thereby: (i) causing the pump to provide fluid to the cylinder, and (ii) causing the piston to move in a first linear direction, thereafter, receiving a second signal when the second trigger button is triggered, and responsively to the second signal, causing the electric motor to rotate in a second rotational direction opposite the first rotational direction, thereby: (i) opening a fluid path from the cylinder to the fluid reservoir, and (ii) causing the piston to move in a second linear direction opposite the first linear direction.
    Type: Application
    Filed: January 13, 2025
    Publication date: May 8, 2025
    Inventors: Eric D. Norquist, James G. Ballard, Kris J. Kanack, Luke J. Skinner, Robert Jensen, Marc S. D'Antuono, Peter Davies
  • Patent number: 12263570
    Abstract: A hydraulic tool for working on a workpiece. A housing is configured for holding. A motor is positioned in the housing. A battery is supported by the housing and operable to supply power to the motor. A drive mechanism is supported by the housing and includes a cylinder, a piston moveably supported in the cylinder, and a pump powered by the motor and operable to supply hydraulic fluid to the cylinder to move the piston relative to the cylinder. A jaw member is supported by the housing and configured to engage with the workpiece. A spindle is operatively coupled to the drive mechanism such that operating the drive mechanism moves the spindle relative to the jaw member to work on the workpiece.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: April 1, 2025
    Inventors: Eric D. Norquist, Ben Gall, Celia Sánchez Santero, Daniel Escudero Alonso, Elizabeth M. Neelsen, Kyle M. Harvey, Nathaniel Olbrich
  • Patent number: 12214478
    Abstract: An example hydraulic tool includes: a fluid reservoir; a pump; an electric motor; a cylinder; a piston; a first trigger button; a second trigger button; and a controller configured to perform operations comprising: receiving a first signal when the first trigger button is triggered, responsively, causing the electric motor to rotate in a first rotational direction, thereby: (i) causing the pump to provide fluid to the cylinder, and (ii) causing the piston to move in a first linear direction, thereafter, receiving a second signal when the second trigger button is triggered, and responsively to the second signal, causing the electric motor to rotate in a second rotational direction opposite the first rotational direction, thereby: (i) opening a fluid path from the cylinder to the fluid reservoir, and (ii) causing the piston to move in a second linear direction opposite the first linear direction.
    Type: Grant
    Filed: November 28, 2023
    Date of Patent: February 4, 2025
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Eric D. Norquist, James G. Ballard, Kris J. Kanack, Luke J. Skinner, Robert Jensen, Marc S. D'Antuono, Peter Davies
  • Publication number: 20240300083
    Abstract: A hydraulic tool includes a head at a first end of the hydraulic tool, where the head is configured to apply a mechanical force to a work piece; a body including a first surface; a back portion including: a second surface at a second end of the hydraulic tool that is opposite the first end; a third surface that is between the first surface and the second surface, where the third surface is inclined with respect to the first surface and the second surface; an indicator light; and a window, at least a portion of which is positioned on the third surface, where the window covers the indicator light; and a grip that extends from the body away from the first surface.
    Type: Application
    Filed: May 15, 2024
    Publication date: September 12, 2024
    Inventors: Brian J. Hyde, Nathan J. Krause, Eric D. Norquist, Amanda M. Kachar
  • Patent number: 11999043
    Abstract: A hydraulic tool includes a head at a first end of the hydraulic tool, where the head is configured to apply a mechanical force to a work piece; a body including a first surface; a back portion including: a second surface at a second end of the hydraulic tool that is opposite the first end; a third surface that is between the first surface and the second surface, where the third surface is inclined with respect to the first surface and the second surface; an indicator light; and a window, at least a portion of which is positioned on the third surface, where the window covers the indicator light; and a grip that extends from the body away from the first surface.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: June 4, 2024
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Brian J. Hyde, Nathan J. Krause, Eric D. Norquist, Amanda M. Kachar
  • Publication number: 20240091924
    Abstract: An example hydraulic tool includes: a fluid reservoir; a pump; an electric motor; a cylinder; a piston; a first trigger button; a second trigger button; and a controller configured to perform operations comprising: receiving a first signal when the first trigger button is triggered, responsively, causing the electric motor to rotate in a first rotational direction, thereby: (i) causing the pump to provide fluid to the cylinder, and (ii) causing the piston to move in a first linear direction, thereafter, receiving a second signal when the second trigger button is triggered, and responsively to the second signal, causing the electric motor to rotate in a second rotational direction opposite the first rotational direction, thereby: (i) opening a fluid path from the cylinder to the fluid reservoir, and (ii) causing the piston to move in a second linear direction opposite the first linear direction.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: Eric D. Norquist, James G. Ballard, Kris J. Kanack, Luke J. Skinner, Robert Jensen, Marc S. D'Antuono, Peter Davies
  • Patent number: 11878402
    Abstract: An example hydraulic tool includes: a fluid reservoir; a pump; an electric motor; a cylinder; a piston; a first trigger button; a second trigger button; and a controller configured to perform operations comprising: receiving a first signal when the first trigger button is triggered, responsively, causing the electric motor to rotate in a first rotational direction, thereby: (i) causing the pump to provide fluid to the cylinder, and (ii) causing the piston to move in a first linear direction, thereafter, receiving a second signal when the second trigger button is triggered, and responsively to the second signal, causing the electric motor to rotate in a second rotational direction opposite the first rotational direction, thereby: (i) opening a fluid path from the cylinder to the fluid reservoir, and (ii) causing the piston to move in a second linear direction opposite the first linear direction.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: January 23, 2024
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Eric D. Norquist, James G. Ballard, Kris J. Kanack, Luke J. Skinner, Robert Jensen, Marc S. D'Antuono, Peter Davies
  • Publication number: 20230390913
    Abstract: A hydraulic tool for working on a workpiece. A housing is configured for holding. A motor is positioned in the housing. A battery is supported by the housing and operable to supply power to the motor. A drive mechanism is supported by the housing and includes a cylinder, a piston moveably supported in the cylinder, and a pump powered by the motor and operable to supply hydraulic fluid to the cylinder to move the piston relative to the cylinder. A jaw member is supported by the housing and configured to engage with the workpiece. A spindle is operatively coupled to the drive mechanism such that operating the drive mechanism moves the spindle relative to the jaw member to work on the workpiece.
    Type: Application
    Filed: June 2, 2023
    Publication date: December 7, 2023
    Applicant: Enerpac Tool Group Corp.
    Inventors: Eric D. Norquist, Ben Gall, Celia Sánchez Santero, Daniel Escudero Alonso, Elizabeth M. Neelsen, Kyle M. Harvey, Nathaniel Olbrich
  • Publication number: 20210323136
    Abstract: A hydraulic tool includes a head at a first end of the hydraulic tool, where the head is configured to apply a mechanical force to a work piece; a body including a first surface; a back portion including: a second surface at a second end of the hydraulic tool that is opposite the first end; a third surface that is between the first surface and the second surface, where the third surface is inclined with respect to the first surface and the second surface; an indicator light; and a window, at least a portion of which is positioned on the third surface, where the window covers the indicator light; and a grip that extends from the body away from the first surface.
    Type: Application
    Filed: April 20, 2021
    Publication date: October 21, 2021
    Inventors: Brian J. Hyde, Nathan J. Krause, Eric D. Norquist, Amanda M. Kachar
  • Publication number: 20200298388
    Abstract: An example hydraulic tool includes: a fluid reservoir; a pump; an electric motor; a cylinder; a piston; a first trigger button; a second trigger button; and a controller configured to perform operations comprising: receiving a first signal when the first trigger button is triggered, responsively, causing the electric motor to rotate in a first rotational direction, thereby: (i) causing the pump to provide fluid to the cylinder, and (ii) causing the piston to move in a first linear direction, thereafter, receiving a second signal when the second trigger button is triggered, and responsively to the second signal, causing the electric motor to rotate in a second rotational direction opposite the first rotational direction, thereby: (i) opening a fluid path from the cylinder to the fluid reservoir, and (ii) causing the piston to move in a second linear direction opposite the first linear direction.
    Type: Application
    Filed: January 17, 2020
    Publication date: September 24, 2020
    Inventors: Eric D. Norquist, James G. Ballard, Kris J. Kanack, Luke J. Skinner, Robert Jensen, Marc S. D'Antuono, Peter Davies
  • Patent number: D972388
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: December 13, 2022
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Brian J. Hyde, Nathan J. Krause, Eric D. Norquist, Amanda M. Kachar
  • Patent number: D1002316
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: October 24, 2023
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Brian J. Hyde, Nathan J. Krause, Eric D. Norquist, Amanda M. Kachar