Benteler International has been granted a patent for an electric heating device in an exhaust gas system. The device features a rib structure within a circular housing that can be heated by an electric current. The ribs are arranged in parallel rows and connected electrically, with holding rods securing them in place. GlobalData’s report on Benteler International gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Benteler International, Stabiliser bar type suspensions was a key innovation area identified from patents. Benteler International's grant share as of January 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.

Electric heating device for exhaust gas system

Source: United States Patent and Trademark Office (USPTO). Credit: Benteler International AG

A recently granted patent (Publication Number: US11885530B2) discloses an electric heating device designed for use in an exhaust gas system. The device comprises an outer circumferential housing and a rib structure that can be heated in response to an electric current. The rib structure consists of multiple rib rows arranged parallel to each other within the housing, with each row containing several ribs. These rib rows are electrically connected to each other either in series or in parallel. Additionally, the device includes holding rods that pass through the rib rows to secure them in place within the housing, with widened regions in each row allowing for the passage of these holding elements.

Furthermore, the patent details various configurations and components of the electric heating device, such as electrically conductive connecting elements and insulating spacers located at the end regions of the rib rows. The width of each rib row can vary along the exhaust gas flow direction, and the holding elements are described as plug-in sleeves coupled together. The housing of the device may be circular, and the rib structure is positioned at an angle greater than 1 degree with respect to the longitudinal axis of an exhaust gas post-treatment component in the exhaust gas flow direction. These features aim to enhance the efficiency and performance of the electric heating device within the exhaust gas system, providing a novel solution for heating applications in such systems.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.