IP Library › Granted Patent US 1,107,629
Granted Patent S1
US 1,107,629 · App. 35/520,425 · Granted Dec 30, 2025

Cooling device for a rocket engine nozzle

Inventors: Landon Thomas Kamps (Sapporo, JP); Shota Hirai (Sapporo, JP)
Assignee: Letara Ltd.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 1,107,629
App. No.
35/520,425
Granted
Dec 30, 2025
Kind
S1
Claims (1)

The ornamental design for a cooling device for a rocket engine nozzle as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 10, 2025
From: KAMPS, LANDON THOMAS; HIRAI, SHOTA
To: LETARA LTD.
Reel/Frame 072840/0154 →
Priority Claims (1)
JP 2024-000928 D · Jan 19, 2024 · national
References Cited (13)
US 10697393B2 · Becker · 2020 [cited by examiner]
US 10808646B2 · Subramanya · 2020 [cited by examiner]
US 12092023B1 · Kramer · 2024 [cited by examiner]
US 12371319B2 · Wall, II · 2025 [cited by examiner]
US 20150377178A1 · Bussieres · 2015 [cited by examiner]
US 20160201544A1 · MacKenzie · 2016 [cited by examiner]
US 20160265773A1 · Moura · 2016 [cited by examiner]
US 20250033957A1 · Wall, II · 2025 [cited by examiner]
US 20250230784A1 · Kamps · 2025 [cited by examiner]
“Engine Cooling—Why Rocket Engines Don't Melt” everydayastronaut.com, post Published Jan. 13, 2022. Retrieved Dec. 13, 2024. Available online at URL:https://everydayastronaut.com/engine-cooling-methodes/ (Year: 2022). [cited by examiner]
“Liquid Rocket Engines” ultramet.com, post Published: Unavailable. Retrieved Dec. 13, 2024. Available online at URL:https://ultramet.com/propulsion-system-components/liquid-rocket-engines/ (Year: 2024). [cited by examiner]
Kojima, H. et al.; Regenerative Cooling of Graphite Nozzles for Throat Erosion Suppression, AIAA SciTech Forum, Jan. 23-27, 2023, National Harbor, MD & Online. (10 pages). [cited by applicant]
Gallo, G. et al.; One-dimensional Modelling of the Nozzle Cooling with Cryogenic Oxygen Flowing through Helical Channels in a Hybrid Rocket, Acta Astronautica 210 (2023) 176-196. (21 pages). [cited by applicant]