Naval Group’s patented underwater craft features a vehicle-launching tube connected to a water distribution tank for launching underwater vehicles using water pressure. The piston, associated with a linear electric actuator, allows for precise movement. The craft includes telescopic actuator stages for enhanced functionality. GlobalData’s report on Naval Group 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 Naval Group, Hydrogen fuel cells was a key innovation area identified from patents. Naval Group's grant share as of February 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.

Underwater craft with electric actuator for launching underwater vehicles

Source: United States Patent and Trademark Office (USPTO). Credit: Naval Group

A recently granted patent (Publication Number: US11892269B2) discloses an underwater craft designed with a unique vehicle-launching system utilizing water pressure. The craft features a vehicle-launching tube connected to a water distribution tank, with a piston positioned in a water tube to push and eject the underwater vehicle. The piston is operated by a linear electric actuator with telescopic stages for precise movement control.

Additionally, the underwater craft includes multiple vehicle-launching tubes connected to the water distribution tank, each with mechanisms for isolating and connecting to the tank. The patent also highlights the presence of control means for managing the electrical supply to the actuator, enabling control over the ejection features, deceleration, and acoustic signature of the launch process. This innovative design aims to enhance the efficiency and performance of underwater vehicle deployment, showcasing advancements in underwater craft technology.

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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.