Patents by Inventor Charis HELLMANN

Charis HELLMANN 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: 11967844
    Abstract: A charger housing has an operating side, at least one battery charging port, which is accessible from the operating side, and a first fastening region, on the outer side of the housing, on a first fastening side which is different from the operating side. The first fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more first fastening elements. The charger housing also has a second fastening region, on the outer side of the housing, on a second fastening side which is different from the operating side and the first fastening side. The second fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more second fastening elements. Use may be as a housing of a charger for recharging battery packs for electric gardening and forestry working apparatus.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: April 23, 2024
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Michael Fuchs, Charis Hellmann
  • Publication number: 20220186974
    Abstract: A charger includes a charger housing with at least one battery-charging space accessible from the outside for positioning of a rechargeable battery unit, a charging electronics unit in the charger housing for controlling an electrical charging operation for the battery unit positioned on the battery-charging space, and a cooling-air-guiding structure configured for guiding a cooling-air flow from an air inlet structure of the charger housing via the charging electronics unit to an air outlet structure of the charger housing. The cooling-air-guiding structure has a cooling housing arranged in the interior of the charger housing and has a cooling housing air inlet structure and a cooling housing air outlet structure, and is configured for guiding the cooling-air flow through the cooling housing from the cooling housing air inlet structure to the cooling housing air outlet structure and from the latter to the air outlet structure of the charger housing.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 16, 2022
    Inventors: Michael FUCHS, Leonard MATTHEIS, Charis HELLMANN, Markus MUELLER
  • Publication number: 20220190610
    Abstract: A charger and charger housing have a water discharge structure. The charger housing includes an operating side, having at least one battery charging space, which is accessible from the operating side, and a first housing outer wall region on a first housing side. The first housing side forms, in a first use position of the charger housing, a bottom side thereof. A water discharge structure discharges water out of the charger housing, wherein the water discharge structure has at least one first water outlet opening in the first housing outer wall region. The charger includes a second housing outer wall region on a second housing side, the second housing side being non-parallel to the first housing side and forming, in a second use position of the charger housing, a bottom side thereof. The water discharge structure has at least one second water outlet opening in the second housing side.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 16, 2022
    Inventors: Michael FUCHS, Charis HELLMANN, Benedikt LANG
  • Publication number: 20220190608
    Abstract: A charger housing has an operating side, at least one battery charging port, which is accessible from the operating side, and a first fastening region, on the outer side of the housing, on a first fastening side which is different from the operating side. The first fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more first fastening elements. The charger housing also has a second fastening region, on the outer side of the housing, on a second fastening side which is different from the operating side and the first fastening side. The second fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more second fastening elements. Use may be as a housing of a charger for recharging battery packs for electric gardening and forestry working apparatus.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 16, 2022
    Inventors: Michael FUCHS, Charis Hellmann