Patents by Inventor Patrik Jägenstedt

Patrik Jägenstedt 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: 20230373326
    Abstract: A robotic work tool system, comprising a charging station and a robotic work tool, said robotic work tool comprising two charging connectors arranged on an upper side of the robotic work tool and said charging station comprising two charging connectors and a supporting structure arranged to carry said charging connectors and to extend over and above said robotic work tool as the robotic work tool enters the charging station for establishing electrical contact between the charging connectors of the robotic work tool and the charging connectors of the charging station from above, wherein said supporting structure is arranged to allow the robotic work tool exit the charging station by driving through the charging station without reversing.
    Type: Application
    Filed: June 19, 2023
    Publication date: November 23, 2023
    Inventors: Mats Svensson, Patrik Jägenstedt, Magnus Öhrlund
  • Patent number: 11701979
    Abstract: A robotic work tool system, comprising a charging station and a robotic work tool, said robotic work tool comprising two charging connectors arranged on an upper side of the robotic work tool and said charging station comprising two charging connectors and a supporting structure arranged to carry said charging connectors and to extend over and above said robotic work tool as the robotic work tool enters the charging station for establishing electrical contact between the charging connectors of the robotic work tool and the charging connectors of the charging station from above, wherein said supporting structure is arranged to allow the robotic work tool exit the charging station by driving through the charging station without reversing.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: July 18, 2023
    Assignee: HUSQVARNA AB
    Inventors: Mats Svensson, Patrik Jägenstedt, Magnus Öhrlund
  • Patent number: 11666010
    Abstract: Some example embodiments may provide a capability for intelligent control or management of a number of assets in connection with yard maintenance with the assistance or inclusion of a management unit having distributed properties. Thus, for example, sensor equipment and task performance equipment operation may be coordinated between local management and remote management entities for efficient monitoring and maintaining of lawn wellness.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: June 6, 2023
    Assignee: HUSQVARNA AB
    Inventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
  • Publication number: 20220295696
    Abstract: A robotic work tool system comprising at least one robotic work tool arranged to operate in a work area, the robotic work tool comprising at least one sensor and a communication interface, the robotic work tool being configured to establish a connection to a cloud service through said communication interface; receive data gathered by the at least one sensor and transmit the gathered data to the cloud service causing the cloud service to analyze the gathered data; receive operating data from the cloud service; and to operate at least one robotic work tool based on the operating data received from the cloud service.
    Type: Application
    Filed: August 17, 2020
    Publication date: September 22, 2022
    Inventors: Jonas Holgersson, Marcus Liljedahl, Jonas Rangsjö, Andreas Peterson, Patrik Jägenstedt, Mattias Kamfors
  • Patent number: 11134609
    Abstract: A robotic work tool comprising a work tool (160), a tool damage detector (162) and a controller (110) for controlling the operation of the robotic work tool (100), the robotic work tool (100) being configured to detect that the work tool (100) is damaged or lost by detecting an irregularity utilizing the tool damage detector (162) and thereby determining that the work tool (160) is damaged or lost.
    Type: Grant
    Filed: November 26, 2015
    Date of Patent: October 5, 2021
    Assignee: HUSQVARNA AB
    Inventors: Mikael Willgert, Patrik Jägenstedt, Olle Markusson, Fredrik Kallström
  • Patent number: 11117204
    Abstract: A power tool (100), such as a chainsaw, comprising means (230) for driving said power tool (100) and a controller (210). The power tool comprises a movement sensor (220) and the controller (210) is configured to receive a signal from said movement sensor (220), determine if said signal is a signal indicating a movement, determine a time wherein no signal indicating a movement is received, determine if said time exceeds a time period, and if so, disable said driving means (230).
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: September 14, 2021
    Assignee: HUSQVARNA AB
    Inventor: Patrik Jägenstedt
  • Patent number: 11112532
    Abstract: A robotic vehicle may be configured to incorporate multiple sensors to make the robotic vehicle capable of collecting, feeding, and uploading weather data into an aggregation agent to form a geospatial map or weather service. In this regard, in some cases, the robotic vehicle may include an onboard vehicle positioning module and sensor network to give the robotic vehicle a collective understanding of its environment, and enable it to autonomously collect and upload weather data to an aggregation agent for corresponding locations.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: September 7, 2021
    Assignee: HUSQVARNA AB
    Inventors: Patrik Jägenstedt, Tom Soberg, Magnus Öhrlund, Andreas Källming, Fredrik Kallström, Jonas Holgersson, Mattias Kamfors, Stefan Grufman
  • Patent number: 11089732
    Abstract: A robotic work tool comprising a motor for driving at least one wheel, an inclination sensor and a controller for controlling the operation of the robotic work tool, the controller being configured to; receive a signal indicating a collision; determine if the signal indicating a collision is above a collision threshold level and, if so, determine that a collision has been detected, the robotic work tool being characterized in that the controller is further configured to: receive an indication of an inclination; and to adapt the collision threshold accordingly based on said indication of an inclination.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: August 17, 2021
    Assignee: HUSQVARNA AB
    Inventors: Patrik Jägenstedt, Fredrik Kallström, Johan Ståhl
  • Patent number: 11072255
    Abstract: A robotic work tool system, comprising a charging station and a robotic work tool, said robotic work tool comprising two charging connectors arranged on an upper side of the robotic work tool and said charging station comprising two charging connectors and a supporting structure arranged to carry said charging connectors and to extend over and above said robotic work tool as the robotic work tool enters the charging station for establishing electrical contact between the charging connectors of the robotic work tool and the charging connectors of the charging station from above, wherein said supporting structure is arranged to allow the robotic work tool exit the charging station by driving through the charging station without reversing.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: July 27, 2021
    Assignee: HUSQVARNA AB
    Inventors: Mats Svensson, Patrik Jägenstedt, Magnus Öhrlund
  • Publication number: 20210200228
    Abstract: A robotic work tool system (200) for defining a working area (205) in which a robotic work tool (100) is subsequently intended to operate. The robotic work tool system (200) comprises a robotic work tool (100), at least one controller (210) and at least one memory (220). The robotic work tool (100) comprises at least one sensor unit (170) configured to collect sensed input datawhile the robotic work tool (100) is driven around the working area (205) to preliminarily define a perimeter around the working area (205). The at least one controller (210) is configured to establish a preliminary working area perimeter (250). The at least one memory (220) is configured to store a perimeter adjustment function and instructions that cause the at least one controller (210) to adjust the perimeter of the working area (205) by applying the stored perimeter adjustment function to the established preliminary working area perimeter (250)and thereby produce an adjusted working area perimeter (260).
    Type: Application
    Filed: June 4, 2019
    Publication date: July 1, 2021
    Inventors: Stefan Grufman, Björn Mannefred, Fredrik Kallström, Patrik Jägenstedt, Jonas Agerhall, Kent Askenmalm, Göran Calás
  • Publication number: 20210092912
    Abstract: Some example embodiments may provide a capability for intelligent control or management of a number of assets in connection with yard maintenance with the assistance or inclusion of a management unit having distributed properties. Thus, for example, sensor equipment and task performance equipment operation may be coordinated between local management and remote management entities for efficient monitoring and maintaining of lawn wellness.
    Type: Application
    Filed: December 11, 2020
    Publication date: April 1, 2021
    Inventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
  • Patent number: 10869432
    Abstract: Some example embodiments may provide a capability for intelligent control or management of a number of assets in connection with yard maintenance with the assistance or inclusion of a management unit having distributed properties. Thus, for example, sensor equipment and task performance equipment operation may be coordinated between local management and remote management entities for efficient monitoring and maintaining of lawn wellness.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: December 22, 2020
    Assignee: HUSQVARNA AB
    Inventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
  • Patent number: 10858041
    Abstract: A robotic vehicle may include a first chassis platform including a first wheel assembly, a second chassis platform including a second wheel assembly where the first and second chassis platforms are spaced apart from each other, and a combination linkage operably coupling the first and second chassis platforms. The combination linkage may be operably coupled to the first chassis platform via a first link and is operably coupled to the second chassis platform via a second link. The combination linkage employs at least two different coupling features to operably couple the first and second chassis platforms. The at least two different coupling features include at least any two among a fixed attachment, an attachment that enables rotation about a turning axis, and an attachment that enables pivoting about a pivot axis that is substantially perpendicular to the turning axis.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: December 8, 2020
    Assignee: HUSQVARNA AB
    Inventors: Patrik Jägenstedt, Fredrik Kallström, Magnus Bergenholm, Mats Svensson, Magnus Öhrlund, Mattias Kamfors
  • Patent number: 10842074
    Abstract: A robotic work tool system (200) comprising further comprising a charging station (210) and a robotic work tool (100), the robotic work tool system (200) being configured to determine a change in weather and to take preservation action. The robotic work tool may detect the change in weather by detecting an electrical charge buildup in the boundary wire. The robotic work tool may take the preservative action by the robotic work tool (100) distancing itself from the charging station (210).
    Type: Grant
    Filed: November 26, 2015
    Date of Patent: November 24, 2020
    Assignee: HUSQVARNA AB
    Inventors: Patrik Jägenstedt, Tom Söberg, Magnus Öhrlund, Andreas Källming, Fredrik Kallström, Jonas Holgersson, Mattias Kamfors, Johan Öster
  • Patent number: 10806075
    Abstract: A robotic vehicle may include one or more functional components configured to execute a lawn care function, a sensor network comprising one or more sensors configured to detect conditions proximate to the robotic vehicle, an object detection module configured to 5 detect objects proximate to the robotic vehicle using contact-less detection, a positioning module configured to determine robotic vehicle position, and a mapping module configured to generate map data regarding a parcel on which the robotic vehicle operates.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: October 20, 2020
    Assignee: HUSQVARNA AB
    Inventors: Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Johan Deimert
  • Publication number: 20200281114
    Abstract: A robotic work tool system comprising at least one input device, a robotic work tool and at least one controller. The at least one input device is configured to receive trajectory data representing a desired travel route. The trajectory data includes at least one of a distance value, a direction value and a velocity value. The robotic work tool comprises at least one motor configured to drive at least one wheel of the robotic work tool. The at least one controller is configured to receive the trajectory data and to determine a control sequence for the at least one motor. The control sequence is a sequence of different power and/or velocities which the at least one wheel is to be driven with. The at least one controller is further configured to control the at least one motor according to the determined control sequence. The at least one controller is further configured to receive and process travel data relating to the driven travel route.
    Type: Application
    Filed: April 7, 2020
    Publication date: September 10, 2020
    Inventors: Patrik Jägenstedt, Mikael Alexiusson, Stefan Grufman, Fredrik Kallström, Mattias Kamfors
  • Publication number: 20200156484
    Abstract: A robotic work tool system, comprising a charging station and a robotic work tool, said robotic work tool comprising two charging connectors arranged on an upper side of the robotic work tool and said charging station comprising two charging connectors and a supporting structure arranged to carry said charging connectors and to extend over and above said robotic work tool as the robotic work tool enters the charging station for establishing electrical contact between the charging connectors of the robotic work tool and the charging connectors of the charging station from above, wherein said supporting structure is arranged to allow the robotic work tool exit the charging station by driving through the charging station without reversing.
    Type: Application
    Filed: November 20, 2019
    Publication date: May 21, 2020
    Inventors: Mats Svensson, Patrik Jägenstedt, Magnus Öhrlund
  • Patent number: 10646997
    Abstract: A robotic work tool system, comprising a robotic work tool, said robotic work tool comprising a controller being configured to cause said robotic work tool to operate in a first operating mode, which first operating mode is based on a current position, said current position being determined based on signals received from a position determining device, such as Global Navigation Satellite System device; determine that said received signals are not reliable, and in response thereto cause said robotic work tool to operate according to second operating mode, which second operating mode is not based on a current position being determined based on said received signals.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: May 12, 2020
    Assignee: Husqvarna AB
    Inventors: Peter Reigo, Patrik Jägenstedt, Magnus Öhrlund
  • Patent number: 10518651
    Abstract: A robotic work tool system, comprising a charging station and a robotic work tool, said robotic work tool comprising two charging connectors arranged on an upper side of the robotic work tool and said charging station comprising two charging connectors and a supporting structure arranged to carry said charging connectors and to extend over and above said robotic work tool as the robotic work tool enters the charging station for establishing electrical contact between the charging connectors of the robotic work tool and the charging connectors of the charging station from above, wherein said supporting structure is arranged to allow the robotic work tool exit the charging station by driving through the charging station without reversing.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: December 31, 2019
    Assignee: Husqvarna AB
    Inventors: Mats Svensson, Patrik Jägenstedt, Magnus Öhrlund
  • Publication number: 20190387680
    Abstract: A robotic work tool comprising a motor for driving at least one wheel, an inclination sensor and a controller for controlling the operation of the robotic work tool, the controller being configured to; receive a signal indicating a collision; determine if the signal indicating a collision is above a collision threshold level and, if so, determine that a collision has been detected, the robotic work tool being characterized in that the controller is further configured to: receive an indication of an inclination; and to adapt the collision threshold accordingly based on said indication of an inclination.
    Type: Application
    Filed: December 13, 2017
    Publication date: December 26, 2019
    Inventors: Patrik Jägenstedt, Fredrik Kallström, Johan Ståhl