Patents by Inventor Fredrik Östberg

Fredrik Östberg 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).

  • Articulated riding lawn mower including distributed battery system
    Patent number: 9699965
    Abstract: A riding lawn mower may include a first frame portion, a second frame portion, an articulated joint and a battery system. The articulated joint may couple the first frame portion to the second frame portion. The battery system may include a first battery and a second battery. The first and second batteries may be electrically connected in series and collectively coupled to a load. The first battery may be mounted to the first frame portion and the second battery may be mounted to the second frame portion.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: July 11, 2017
    Assignee: HUSQVARNA AB
    Inventors: Sebastian Schygge, Fredrik Östberg, Pasi Viskari
  • Riding lawn mower including battery powered cutting system
    Patent number: 9210839
    Abstract: A drive system of a battery powered riding lawn mower is provided. The drive system may include a battery system mountable to a frame, an electric drive motor and a cutting deck. The electric drive motor may be powered by the battery system and coupled with an axle and a wheel such that when the electric drive motor is powered, the electric drive motor is configured to provide rotation force to the wheel. The cutting deck maybe attached to the frame and powered by the battery system. The cutting deck may include at least one electric blade motor separate from the electric drive motor and configured to rotate at least one cutting blade rotatably mounted in the cutting deck.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: December 15, 2015
    Assignee: HUSQVARNA AB
    Inventors: Sebastian Schygge, Fredrik Östberg
  • Riding Lawn Mower Including Battery Powered Drive System
    Publication number: 20140165524
    Abstract: A drive system of a battery powered riding lawn mower is provided. The drive system may include a battery system mountable to a frame, an axle, a drive motor and a differential. The axle may have a wheel on connected to each end of the axle. The drive motor may be mounted to the axle and may be electrically connected to the battery system so that the drive motor is powered by the battery system. The differential may be operatively mounted to the axle and coupled with the drive motor so that when the drive motor is powered, rotational forces are distributed to the axle, thereby rotating each wheel.
    Type: Application
    Filed: July 14, 2011
    Publication date: June 19, 2014
    Applicant: HUSQVARNA AB
    Inventors: Sebastian Schygge, Fredrik Östberg
  • Riding Lawn Mower Including Battery Powered Cutting System
    Publication number: 20140144117
    Abstract: A drive system of a battery powered riding lawn mower is provided. The drive system may include a battery system mountable to a frame, an electric drive motor and a cutting deck. The electric drive motor may be powered by the battery system and coupled with an axle and a wheel such that when the electric drive motor is powered, the electric drive motor is configured to provide rotation force to the wheel. The cutting deck maybe attached to the frame and powered by the battery system. The cutting deck may include at least one electric blade motor separate from the electric drive motor and configured to rotate at least one cutting blade rotatably mounted in the cutting deck.
    Type: Application
    Filed: July 14, 2011
    Publication date: May 29, 2014
    Applicant: HUSQVARNA AB
    Inventors: Sebastian Schygge, Fredrik Östberg
  • Riding Lawn Mower Including Distributed Battery System
    Publication number: 20140137528
    Abstract: A riding lawn mower may include a first frame portion, a second frame portion, an articulated joint and a battery system. The articulated joint may couple the first frame portion to the second frame portion. The battery system may include a first battery and a second battery. The first and second batteries may be electrically connected in series and collectively coupled to a load. The first battery may be mounted to the first frame portion and the second battery may be mounted to the second frame portion.
    Type: Application
    Filed: July 14, 2011
    Publication date: May 22, 2014
    Applicant: HUSQVARNA AB
    Inventors: Sebastian Schygge, Fredrik Östberg, Pasi Viskari