MUMBAI, India, March 14 -- Intellectual Property India has published a patent application (202517133159 A) filed by CB&I STS Delaware Llc, The Woodlands, U.S.A., on Dec. 29, 2025, for 'cryopumping-resistant lh2 storage vessel.'
Inventor(s) include Creech, David; Van Doorne, Cas; Fesmire, James; Jacobson, John Andrew; Meacham, Elizabeth; Cihlar, Steve; Butts, Mark; Rajagiri, Neeharika; Holgate, Edmund; Zhang, Kun; and Ratnakar, Ram.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "A method and apparatus for storing liquid gases, such as liquid hydrogen, is provided. The liquid gas container includes multiple layers of insulation to enable non vacuum insulation to be utilized while reducing cryopumping. An inner insulation layer is formed of a material which as a closed-cell structure and is thick enough such that the temperature at an outer surface of the inner insulation layer is greater than the boiling point of a gas within the outer insulation layer. The outer insulation layer may have an open-cell structure for the insulation material."
The patent application was internationally filed on June 21, 2024, under International application No.PCT/US2024/034964.
Disclaimer: Curated by HT Syndication.
