Patents by Inventor John M. Relph
John M. Relph 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).
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Patent number: 12698615Abstract: A compact work machine, such as a compact track loader and/or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.Type: GrantFiled: December 8, 2023Date of Patent: August 4, 2026Assignee: Great Plains Manufacturing, Inc.Inventors: John M. Relph, Toshihiko Takemura
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Publication number: 20260125872Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve ƒ(x)=4.641e0.34x. The value “x” represents a horizontal direction and the function ƒ(x) represents a vertical direction.Type: ApplicationFiled: December 30, 2025Publication date: May 7, 2026Inventors: Jason CARLSON, John M. RELPH, Matthew SHOBE, Jeff WELSH
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Patent number: 12516493Abstract: A work machine comprising a frame having laterally spaced sides and longitudinally spaced front and rear ends. The work machine additionally comprises at least one loader arms supported on the frame and shiftable relative to the frame between a raised position and a lowered position. The frame further comprises a pair of laterally spaced, longitudinally aligned lift eyes from which a full weight of the work machine can be suspended.Type: GrantFiled: July 26, 2023Date of Patent: January 6, 2026Assignee: Great Plains Manufacturing, Inc.Inventor: John M. Relph
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Patent number: 12466496Abstract: A compact work machine, such as a compact track loader and/or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.Type: GrantFiled: December 8, 2023Date of Patent: November 11, 2025Assignee: Great Plains Manufacturing, Inc.Inventor: John M. Relph
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Patent number: 12365401Abstract: A compact work machine, such as a compact track loader and/or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.Type: GrantFiled: December 8, 2023Date of Patent: July 22, 2025Assignee: Great Plains Manufacturing, Inc.Inventors: Cameron Roehlk, Jason Carlson, John M. Relph
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Publication number: 20250207351Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve f(x)=4.641e0.34x. The value “x” represents a horizontal direction and the function f(x) represents a vertical direction.Type: ApplicationFiled: March 12, 2025Publication date: June 26, 2025Inventors: Jason CARLSON, John M. RELPH, Matthew SHOBE, Jeff WELSH
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Patent number: 12325971Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve ƒ(x)=4.641e0.34x. The value “x” represents a horizontal direction and the function f(x) represents a vertical direction.Type: GrantFiled: March 12, 2025Date of Patent: June 10, 2025Assignee: Great Plains Manufacturing, Inc.Inventors: Jason Carlson, John M. Relph, Matthew Shobe, Jeff Welsh
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Publication number: 20250116083Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve f(x)=4.641e0.34x. The value “x” represents a horizontal direction and the function f(x) represents a vertical direction.Type: ApplicationFiled: December 17, 2024Publication date: April 10, 2025Inventors: Jason Carlson, John M. Relph, Matthew Shobe, Jeff Welsh
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Publication number: 20250092634Abstract: A compact utility loader comprising a frame, an engine, a pair of loader arms, and an attachment secured to ends of the loader arms. The compact utility loader additionally includes a first track or wheel and a second track or wheel positioned on either side of the frame. The compact utility loader additionally comprises a control interface including a graphic display configured to present operational information to an operator. The graphic display is configured to present a login screen prompting the operator for a passcode. The engine is prevented from being started until a valid passcode is entered via the control interface.Type: ApplicationFiled: December 6, 2024Publication date: March 20, 2025Inventors: Jason Carlson, Toshihiko Takemura, John M. Relph, Matthew Shobe, Jeff Welsh
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Publication number: 20250034831Abstract: A work machine comprising a frame having laterally spaced sides and longitudinally spaced front and rear ends. The work machine additionally comprises at least one loader arms supported on the frame and shiftable relative to the frame between a raised position and a lowered position. The frame further comprises a pair of laterally spaced, longitudinally aligned lift eyes from which a full weight of the work machine can be suspended.Type: ApplicationFiled: July 26, 2023Publication date: January 30, 2025Inventor: John M. Relph
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Publication number: 20250034838Abstract: A work machine comprising a frame with a pair of spaced apart side panels separated by a bottom panel. The work machine additionally comprises a drive assembly configured to propel the work machine, with the drive assembly comprising at least one drive motor. The work machine further comprises a motor mount assembly configured to support the drive motor with respect to the frame. The motor mount assembly comprises a mounting flange and a reinforcement element. Each of the mounting flange and the reinforcement element includes an opening configured to receive a portion of the drive motor. The reinforcement element is secured to an interior surface of one of the side panels of the frame. The mounting flange is secured to the reinforcement element. And the drive motor is secured to the mounting flange.Type: ApplicationFiled: July 26, 2023Publication date: January 30, 2025Inventors: Jason Carlson, John M. Relph
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Patent number: 12203236Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve ƒ(x)=4.641e0.34x. The value “x” represents a horizontal direction and the function ƒ(x) represents a vertical direction.Type: GrantFiled: September 13, 2024Date of Patent: January 21, 2025Assignee: Great Plains Manufacturing, Inc.Inventors: Jason Carlson, John M. Relph, Matthew Shobe, Jeff Welsh
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Publication number: 20250003174Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve ƒ(x)=4.641e0.34x. The value “x” represents a horizontal direction and the function f(x) represents a vertical direction.Type: ApplicationFiled: September 13, 2024Publication date: January 2, 2025Inventors: Jason Carlson, John M. Relph, Matthew Shobe, Jeff Welsh
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Publication number: 20240352703Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve f(x)=4.641e0.34x. The value “x” represents a horizontal direction and the function f(x) represents a vertical direction.Type: ApplicationFiled: June 28, 2024Publication date: October 24, 2024Inventors: Jason Carlson, John M. Relph, Matthew Shobe, Jeff Welsh
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Patent number: 12123161Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve f(x)=4.641e0.34x. The value “x” represents a horizontal direction and the function f(x) represents a vertical direction.Type: GrantFiled: June 28, 2024Date of Patent: October 22, 2024Assignee: Great Plains Manufacturing, Inc.Inventors: Jason Carlson, John M. Relph, Matthew Shobe, Jeff Welsh
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Patent number: 12104348Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve f(x)=4.641e0.34x. The value “x” represents a horizontal direction and the function f(x) represents a vertical direction.Type: GrantFiled: June 3, 2024Date of Patent: October 1, 2024Assignee: Great Plains Manufacturing, Inc.Inventors: Jason Carlson, John M. Relph, Matthew Shobe, Jeff Welsh
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Publication number: 20240318401Abstract: A compact utility loader compact utility loader comprising a frame, a first track and a second track positioned on either side of the frame, and a pair of loader arms. The loader arms are configured to couple with an attachment via a hitch plate and a hitch pin. The compact utility loader is configured such that as the loader arms are raised and lowered, the hitch pin follows a path approximately defined by a curve ƒ(x)=4.641e0.34x The value “x” represents a horizontal direction and the function ƒ(x) represents a vertical direction.Type: ApplicationFiled: June 3, 2024Publication date: September 26, 2024Inventors: Jason Carlson, John M. Relph, Matthew Shobe, Jeff Welsh
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Patent number: D1051767Type: GrantFiled: August 9, 2023Date of Patent: November 19, 2024Assignee: Great Plains Manufacturing, Inc.Inventors: John M. Relph, Jeff Welsh, Toshihiko Takemura
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Patent number: D1061334Type: GrantFiled: August 9, 2023Date of Patent: February 11, 2025Assignee: Great Plains Manufacturing, Inc.Inventor: John M. Relph
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Patent number: D1127007Type: GrantFiled: August 9, 2023Date of Patent: May 19, 2026Assignee: Great Plains Manufacturing, Inc.Inventor: John M. Relph