USPTO Patent Grant: Handheld palm cooling device

ChangeBridge: Patent Grants - Prosthetics (A61F)

Published March 24th, 2026

Detected March 24th, 2026

Summary

The USPTO has granted patent US12582547B2 for a handheld palm cooling device to Apex Cool Labs, Inc. The patent, granted on March 24, 2026, describes a device optimized for efficient heat transfer from fatigued muscles via direct contact with glabrous tissue.

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What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12582547B2 to Apex Cool Labs, Inc. for a handheld palm cooling device. The patent abstract details a device designed to cool fatigued muscles by transferring heat away from the body through direct contact with glabrous tissue, aiming to rejuvenate muscle function and extend athletic performance.

This patent grant is primarily an informational notice regarding intellectual property. It does not impose new regulatory obligations or compliance requirements on regulated entities. Companies involved in the design, manufacturing, or distribution of cooling devices or sports medicine equipment may wish to note this patent for competitive or licensing considerations.

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Handheld palm cooling device

Grant US12582547B2 Kind: B2 Mar 24, 2026

Assignee

Apex Cool Labs, Inc.

Inventors

Ariel Jeremy Paul

Abstract

Muscles held under tension undergo a chemical reaction that generates heat within the muscle, and subsequently that heat contributes to muscle fatigue. Research in the field of physiology and sports medicine has demonstrated that actively cooling an athlete's core body temperature can rapidly rejuvenate a fatigued muscle thereby allowing the athlete to extend the muscle's potential. Mammalians have several areas of glabrous tissue wherein a dense network of veins near the surface of the skin act as heat exchangers for cooling and regulating their core temperature. The process for effective cooling via glabrous tissue is optimized within a narrow range of temperatures. Presented herein is a handheld cooling device which is optimized for the efficient transfer of heat away from the fatigued muscles via direct contact with glabrous tissue.