Patents by Inventor Karl J. Grajkowski
Karl J. Grajkowski 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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Publication number: 20220415102Abstract: A diagnostic system of a vehicle for diagnosing a drive belt of a continuously variable transmission. A diagnostic circuit detects or predicts a fault of the drive belt based on an operating parameter received from a sensor associated with the vehicle during a predetermined diagnostic period.Type: ApplicationFiled: August 26, 2022Publication date: December 29, 2022Inventors: Jonathon P. Graus, Bruce E. Herrala, Amery D. Kuhl, Karl J. Grajkowski
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Publication number: 20220306070Abstract: A vehicle control system is disclosed for modifying vehicle operation and includes an engine control unit having at least one processor. A vehicle network is provided as well as a first handheld wireless device having a GPS module, a local wireless communication module, and a distance wireless communication module. A gauge has a wireless communication module operable to communicate with the first handheld wireless device and at least one display for communicating information to a user regarding vehicle operating parameters. Memory accessible by the processor and memory having software stored thereon are provided, the software being configured for execution by the processor and including instructions for providing a boundary map within which the vehicle may operate under normal operating conditions. The vehicle is placed in a degraded operating mode if the vehicle moves outside of the boundary.Type: ApplicationFiled: June 15, 2022Publication date: September 29, 2022Inventors: Brian E. Brandt, Scott D. Taylor, Karl J. Grajkowski, Russell G. Olsen, David G. Hille, Trevor J. LaJoye
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Patent number: 11390262Abstract: A vehicle control system is disclosed for modifying vehicle operation and includes an engine control unit having at least one processor. A vehicle network is provided as well as a first handheld wireless device having a GPS module, a local wireless communication module, and a distance wireless communication module. A gauge has a wireless communication module operable to communicate with the first handheld wireless device and at least one display for communicating information to a user regarding vehicle operating parameters. Memory accessible by the processor and memory having software stored thereon are provided, the software being configured for execution by the processor and including instructions for providing a boundary map within which the vehicle may operate under normal operating conditions. The vehicle is placed in a degraded operating mode if the vehicle moves outside of the boundary.Type: GrantFiled: December 8, 2017Date of Patent: July 19, 2022Assignee: Polaris Industries Inc.Inventors: Brian E. Brandt, Scott D. Taylor, Karl J. Grajkowski, Russell G. Olsen, David G. Hille, Trevor J. LaJoye
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Publication number: 20210206263Abstract: A recreational vehicle includes a seatbelt sensor configured to detect when a seatbelt is in an engaged position or a disengaged position and an engine control module in communication with the seatbelt sensor to automatically limit a maximum speed of the vehicle to a reduced maximum speed limit upon detection of the seatbelt is in the disengaged position.Type: ApplicationFiled: January 26, 2021Publication date: July 8, 2021Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
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Patent number: 10933744Abstract: A recreational vehicle includes a seatbelt sensor configured to detect when a seatbelt is in an engaged position or a disengaged position and an engine control module in communication with the seatbelt sensor to automatically limit a maximum speed of the vehicle to a reduced maximum speed limit upon detection of the seatbelt is in the disengaged position.Type: GrantFiled: August 24, 2018Date of Patent: March 2, 2021Assignee: Polaris Industries Inc.Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
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Publication number: 20200250904Abstract: A diagnostic system of a vehicle for diagnosing a drive belt of a continuously variable transmission. A diagnostic circuit detects or predicts a fault of the drive belt based on an operating parameter received from a sensor associated with the vehicle during a predetermined diagnostic period.Type: ApplicationFiled: April 2, 2020Publication date: August 6, 2020Inventors: Ryan D. Carlson, Brian R. Gillingham, Amery D. Kuhl, John F. Kallis, Bruce E. Herrala, Karl J. Grajkowski, Jonathon P. Oakden-Graus, Stephen L. Nelson
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Patent number: 10672207Abstract: A diagnostic system of a vehicle for diagnosing a drive belt of a continuously variable transmission. A diagnostic circuit detects or predicts a fault of the drive belt based on an operating parameter received from a sensor associated with the vehicle during a predetermined diagnostic period.Type: GrantFiled: January 22, 2018Date of Patent: June 2, 2020Assignee: Polaris Industries Inc.Inventors: Ryan D. Carlson, Brian R. Gillingham, Amery D. Kuhl, John F. Kallis, Bruce E. Herrala, Karl J. Grajkowski, Jonathon P. Oakden-Graus, Stephen L. Nelson
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Patent number: 10614638Abstract: A diagnostic system of a vehicle for diagnosing a drive belt of a continuously variable transmission. A diagnostic circuit detects or predicts a fault of the drive belt based on an operating parameter received from a sensor associated with the vehicle during a predetermined diagnostic period.Type: GrantFiled: January 22, 2018Date of Patent: April 7, 2020Assignee: Polaris Industries Inc.Inventors: Ryan D. Carlson, Brian R. Gillingham, Amery D. Kuhl, John F. Kallis, Bruce E. Herrala, Karl J. Grajkowski, Jonathon P. Oakden-Graus, Stephen L. Nelson
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Publication number: 20180361853Abstract: A recreational vehicle includes a seatbelt sensor configured to detect when a seatbelt is in an engaged position or a disengaged position and an engine control module in communication with the seatbelt sensor to automatically limit a maximum speed of the vehicle to a reduced maximum speed limit upon detection of the seatbelt is in the disengaged position.Type: ApplicationFiled: August 24, 2018Publication date: December 20, 2018Applicant: Polaris Industries Inc.Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
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Patent number: 10086698Abstract: A recreational vehicle includes a seatbelt sensor configured to detect when a seatbelt is in an engaged position or a disengaged position and an engine control module in communication with the seatbelt sensor to automatically limit a maximum speed of the vehicle to a reduced maximum speed limit upon detection of the seatbelt is in the disengaged position.Type: GrantFiled: December 16, 2014Date of Patent: October 2, 2018Assignee: Polaris Industries Inc.Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
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Publication number: 20180211454Abstract: A diagnostic system of a vehicle for diagnosing a drive belt of a continuously variable transmission. A diagnostic circuit detects or predicts a fault of the drive belt based on an operating parameter received from a sensor associated with the vehicle during a predetermined diagnostic period.Type: ApplicationFiled: January 22, 2018Publication date: July 26, 2018Inventors: Ryan D. Carlson, Brian R. Gillingham, Amery D. Kuhl, John F. Kallis, Bruce E. Herrala, Karl J. Grajkowski, Jonathon P. Oakden-Graus, Stephen L. Nelson
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Patent number: 9429235Abstract: A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by at least one control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator controls movement of the second sheave.Type: GrantFiled: October 15, 2012Date of Patent: August 30, 2016Assignee: Polaris Industries Inc.Inventors: Brian D. Krosschell, Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Donovan L. Fredrickson, Karl J. Grajkowski, Philipp Meyer, Donald E. Frost, Beat R. Kohler, Ronald Zurbruegg, Peter J. Erasmus, Jeffrey I. Peterman
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Patent number: 9381810Abstract: An electronic throttle control (ETC) system is disclosed for use on a recreational or a utility vehicle. The ETC system includes a drive mode selection device for selecting between a plurality of drive modes. The ETC system provides an adjustable engine idle speed and an engine power limiting feature.Type: GrantFiled: June 3, 2011Date of Patent: July 5, 2016Assignee: Polaris Industries Inc.Inventors: Stephen L Nelson, Karl J Grajkowski, Scott P Sandstrom
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Patent number: 9162573Abstract: An electronic throttle control (ETC) system is disclosed for use on a recreational or a utility vehicle. The ETC system includes a drive mode selection device for selecting between a plurality of drive modes. The ETC system provides an adjustable engine idle speed and an engine power limiting feature.Type: GrantFiled: June 3, 2011Date of Patent: October 20, 2015Assignee: Polaris Industries Inc.Inventors: Karl J Grajkowski, Eric P Nault, Steve C Erickson, David J Koenig
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Patent number: 9151384Abstract: A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by at least one control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator controls movement of the second sheave.Type: GrantFiled: October 15, 2012Date of Patent: October 6, 2015Assignee: Polaris Industries Inc.Inventors: Beat R. Kohler, Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Donovan L. Fredrickson, Brian D. Krosschell, Karl J. Grajkowski, Philipp Meyer, Donald E. Frost, Ronald Zurbruegg, Peter J. Erasmus
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Publication number: 20150096819Abstract: A recreational vehicle includes a seatbelt sensor configured to detect when a seatbelt is in an engaged position or a disengaged position and an engine control module in communication with the seatbelt sensor to automatically limit a maximum speed of the vehicle to a reduced maximum speed limit upon detection of the seatbelt is in the disengaged position.Type: ApplicationFiled: December 16, 2014Publication date: April 9, 2015Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
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Patent number: 8682550Abstract: A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by at least one control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator controls movement of the second sheave.Type: GrantFiled: October 15, 2012Date of Patent: March 25, 2014Assignee: Polaris Industries Inc.Inventors: Stephen L. Nelson, Brian R. Gillingham, Urs Wenger, Donovan L. Fredrickson, Brian D. Krosschell, Karl J. Grajkowski, Philipp Meyer, Donald E. Frost, Beat R. Kohler, Ronald Zurbruegg, Peter J. Erasmus
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Patent number: 8534397Abstract: An electronic throttle control (ETC) system is disclosed for use on a recreational or a utility vehicle. The ETC system includes a drive mode selection device for selecting between a plurality of drive modes. The ETC system provides an adjustable engine idle speed and an engine power limiting feature.Type: GrantFiled: June 3, 2011Date of Patent: September 17, 2013Assignee: Polaris Industries Inc.Inventors: Karl J Grajkowski, David J Koenig, Brian R. Gillingham, Ryan D Carlson, Amber P Malone, Stephen L Nelson
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Publication number: 20110301824Abstract: An electronic throttle control (ETC) system is disclosed for use on a recreational or a utility vehicle. The ETC system includes a drive mode selection device for selecting between a plurality of drive modes. The ETC system provides an adjustable engine idle speed and an engine power limiting feature.Type: ApplicationFiled: June 3, 2011Publication date: December 8, 2011Applicant: POLARIS INDUSTRIES INC.Inventors: Stephen L. Nelson, Karl J. Grajkowski, Scott P. Sandstrom
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Publication number: 20110301825Abstract: An electronic throttle control (ETC) system is disclosed for use on a recreational or a utility vehicle. The ETC system includes a drive mode selection device for selecting between a plurality of drive modes. The ETC system provides an adjustable engine idle speed and an engine power limiting feature.Type: ApplicationFiled: June 3, 2011Publication date: December 8, 2011Applicant: POLARIS INDUSTRIES INC.Inventors: Karl J. Grajkowski, Eric P. Nault, Steve C. Erickson, David J. Koenig