Fresenius Medical Care patented a gear pump design with separate inflow and outflow planes, ensuring efficient liquid conveyance. The pump chamber’s strategic positioning and flushing passages enhance functionality. GlobalData’s report on Fresenius Medical Care 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 Fresenius Medical Care, Remote monitored dialysis machines was a key innovation area identified from patents. Fresenius Medical Care's grant share as of January 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.

Gear pump with separate inflow and outflow, improved flushing

Source: United States Patent and Trademark Office (USPTO). Credit: Fresenius Medical Care AG & Co KGaA

A recently granted patent (Publication Number: US11883639B2) discloses a gear pump design with unique features aimed at efficient liquid conveyance. The gear pump includes a housing with separate inflow and outflow planes, ensuring optimal fluid flow. Additionally, the pump chamber is positioned at the level of the inflow when the pump is vertical, enhancing operational effectiveness. The inclusion of flushing passages extending to bearing positions and a magnet for gear driving further enhances the pump's functionality, making it suitable for various applications.

Moreover, the patent details the use of this gear pump for conveying biological or medical fluids, particularly in dialysis solutions, showcasing its versatility in critical healthcare processes. The gear pump's application as a degassing pump and its integration into blood treatment devices, such as dialysis machines, highlight its potential impact on medical technology. The design's modular construction, with multiple layers forming the housing, adds a layer of customization and adaptability to suit different operational requirements, making it a promising innovation in the field of fluid conveyance systems.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.