Patents by Inventor Jimmy KÄMÄRÄINEN BERGSTRAND

Jimmy KÄMÄRÄINEN BERGSTRAND 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).

  • Patent number: 10352023
    Abstract: A power connection device is provided for transmitting electric power from an external power source to a working machine). The working machine has an undercarriage and a superstructure, and the undercarriage and the superstructure are pivotable relative to each other about a substantially vertical pivot axis. The power connection device includes a first power conductor member which is adapted to be pivotally arranged relative to the undercarriage and the superstructure about the substantially vertical pivot axis.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: July 16, 2019
    Assignee: Volvo Construction Equipment AB
    Inventors: Bobbie Frank, Joacim Holmqvist, Jimmy Kämäräinen Bergstrand
  • Publication number: 20170121937
    Abstract: A power connection device is provided for transmitting electric power from an external power source to a working machine). The working machine has an undercarriage and a superstructure, and the undercarriage and the superstructure are pivotable relative to each other about a substantially vertical pivot axis. The power connection device includes a first power conductor member which is adapted to be pivotally arranged relative to the undercarriage and the superstructure about the substantially vertical pivot axis.
    Type: Application
    Filed: June 17, 2014
    Publication date: May 4, 2017
    Applicant: VOLVO CONSTRUCTION EQUIPMENT AB
    Inventors: Bobbie FRANK, Joacim HOLMQVIST, Jimmy KÄMÄRÄINEN BERGSTRAND