Whirlpool has been granted a patent for a dishwasher with a unique drain assembly. The dishwasher includes a structural element with a socket for receiving a drain line, allowing for efficient water drainage. The design ensures a secure fit within the dishwasher’s tub, optimizing space and functionality. GlobalData’s report on Whirlpool 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 Whirlpool, Smart home appliances was a key innovation area identified from patents. Whirlpool's grant share as of January 2024 was 67%. Grant share is based on the ratio of number of grants to total number of patents.

Drain assembly for dishwasher with water tank

Source: United States Patent and Trademark Office (USPTO). Credit: Whirlpool Corp

A recently granted patent (Publication Number: US11882978B2) discloses a drain assembly designed for a dishwasher with a water tank. The assembly includes a structural element with a socket that can be attached to the dishwasher's frame, accommodating a drain line extending between an inlet and an outlet. The unique design allows the water tank to fit snugly along a sidewall of the dishwasher's tub, ensuring efficient drainage during operation. The structural element is made of injection-molded plastic, providing durability and reliability to the assembly.

Furthermore, the patent also covers a dishwasher equipped with the aforementioned drain assembly. The dishwasher features a chassis supporting a tub for treating dishes, with the structural element extending along the tub to define a socket for the drain line. The design includes a P-shaped configuration formed by the first and second vertical portions of the socket, along with a top portion that incorporates a cut-out for a check valve. Additionally, an air hose is fluidly coupled to the check valve, allowing for proper ventilation during the dishwasher's cycle of operation. The structural element's tabs ensure the secure placement of the drain line, enhancing the overall functionality of the dishwasher.

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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.