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).

  • Publication number: 20220415102
    Abstract: 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: Application
    Filed: August 26, 2022
    Publication date: December 29, 2022
    Inventors: Jonathon P. Graus, Bruce E. Herrala, Amery D. Kuhl, Karl J. Grajkowski
  • Publication number: 20220306070
    Abstract: 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: Application
    Filed: June 15, 2022
    Publication date: September 29, 2022
    Inventors: Brian E. Brandt, Scott D. Taylor, Karl J. Grajkowski, Russell G. Olsen, David G. Hille, Trevor J. LaJoye
  • Patent number: 11390262
    Abstract: 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: Grant
    Filed: December 8, 2017
    Date of Patent: July 19, 2022
    Assignee: Polaris Industries Inc.
    Inventors: Brian E. Brandt, Scott D. Taylor, Karl J. Grajkowski, Russell G. Olsen, David G. Hille, Trevor J. LaJoye
  • Publication number: 20210206263
    Abstract: 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: Application
    Filed: January 26, 2021
    Publication date: July 8, 2021
    Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
  • Patent number: 10933744
    Abstract: 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: Grant
    Filed: August 24, 2018
    Date of Patent: March 2, 2021
    Assignee: Polaris Industries Inc.
    Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
  • Publication number: 20200250904
    Abstract: 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: Application
    Filed: April 2, 2020
    Publication date: August 6, 2020
    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
  • Patent number: 10672207
    Abstract: 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: Grant
    Filed: January 22, 2018
    Date of Patent: June 2, 2020
    Assignee: 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
  • Patent number: 10614638
    Abstract: 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: Grant
    Filed: January 22, 2018
    Date of Patent: April 7, 2020
    Assignee: 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
  • Publication number: 20180361853
    Abstract: 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: Application
    Filed: August 24, 2018
    Publication date: December 20, 2018
    Applicant: Polaris Industries Inc.
    Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
  • Patent number: 10086698
    Abstract: 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: Grant
    Filed: December 16, 2014
    Date of Patent: October 2, 2018
    Assignee: Polaris Industries Inc.
    Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
  • Publication number: 20180211454
    Abstract: 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: Application
    Filed: January 22, 2018
    Publication date: July 26, 2018
    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
  • Patent number: 9429235
    Abstract: 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: Grant
    Filed: October 15, 2012
    Date of Patent: August 30, 2016
    Assignee: 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
  • Patent number: 9381810
    Abstract: 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: Grant
    Filed: June 3, 2011
    Date of Patent: July 5, 2016
    Assignee: Polaris Industries Inc.
    Inventors: Stephen L Nelson, Karl J Grajkowski, Scott P Sandstrom
  • Patent number: 9162573
    Abstract: 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: Grant
    Filed: June 3, 2011
    Date of Patent: October 20, 2015
    Assignee: Polaris Industries Inc.
    Inventors: Karl J Grajkowski, Eric P Nault, Steve C Erickson, David J Koenig
  • Patent number: 9151384
    Abstract: 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: Grant
    Filed: October 15, 2012
    Date of Patent: October 6, 2015
    Assignee: 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
  • Publication number: 20150096819
    Abstract: 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: Application
    Filed: December 16, 2014
    Publication date: April 9, 2015
    Inventors: Karl J. Grajkowski, Amber P. Malone, Eric P. Nault, Steven C. Erickson, Brian R. Gillingham, Ryan D. Carlson
  • Patent number: 8682550
    Abstract: 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: Grant
    Filed: October 15, 2012
    Date of Patent: March 25, 2014
    Assignee: 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
  • Patent number: 8534397
    Abstract: 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: Grant
    Filed: June 3, 2011
    Date of Patent: September 17, 2013
    Assignee: Polaris Industries Inc.
    Inventors: Karl J Grajkowski, David J Koenig, Brian R. Gillingham, Ryan D Carlson, Amber P Malone, Stephen L Nelson
  • Publication number: 20110301824
    Abstract: 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: Application
    Filed: June 3, 2011
    Publication date: December 8, 2011
    Applicant: POLARIS INDUSTRIES INC.
    Inventors: Stephen L. Nelson, Karl J. Grajkowski, Scott P. Sandstrom
  • Publication number: 20110301825
    Abstract: 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: Application
    Filed: June 3, 2011
    Publication date: December 8, 2011
    Applicant: POLARIS INDUSTRIES INC.
    Inventors: Karl J. Grajkowski, Eric P. Nault, Steve C. Erickson, David J. Koenig