Published Technical Disclosure Archive

Adaptive Temperature Regulation for Headgear Hyperthermia Liner

Publication ID: 24-11857019_0001_PTD
Published: October 27, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Adaptive Temperature Regulation for Headgear Hyperthermia Liner,” Published Technical Disclosure No. 24-11857019_0001_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857019_0001_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,019.

Background and Problem Solved

The original Headgear Hyperthermia Liner patent (background) had limitations in maintaining a wearer's body temperature, particularly in extreme environments. The new invention addresses these limitations by introducing an adaptive temperature regulation system, which dynamically adjusts the liner's thermal properties in response to changes in the wearer's body temperature.

Novelty and Inventive Step

The new claims introduce an adaptive temperature regulation system, wearable sensors, and integrated cooling systems, which are not present in the original patent. These features provide a novel and non-obvious solution to the problem of maintaining a wearer's body temperature in extreme environments.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include different types of wearable sensors, such as thermocouples or infrared sensors, or alternative cooling systems, such as evaporative cooling or heat pipes. Variations of the invention could also include different materials or designs for the moisture-wicking fabric and ventilation system.

Potential Commercial Applications and Market

The enhanced hyperthermia headgear liner has significant commercial potential in various industries, including industrial safety, sports, military, and consumer markets. The invention's ability to maintain a wearer's body temperature in extreme environments makes it an attractive solution for workers, athletes, and individuals in high-risk professions.

CPC Classifications

SectionClassGroup
A A42 A42B3/10
A A42 A42B3/0406

Field of Art

Personal protective equipment, specifically headgear with thermal management systems, involving materials science, thermal engineering, and ergonomic design for safety equipment

Person of Ordinary Skill (PHOSITA) Profile

An engineer with expertise in materials engineering, thermal regulation technologies, and protective equipment design, typically holding a bachelor's or master's degree with 3-5 years of experience in sports, industrial, or military protective gear development

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable extensions of the source patent's core thermal management concept, utilizing known engineering techniques to enhance temperature regulation in protective headgear. The disclosed adaptive systems and sensor-based temperature control are logical progressions from the original phase change material approach, applying standard engineering problem-solving to improve thermal performance. These variations represent incremental improvements that would be obvious to a skilled practitioner seeking to optimize headgear thermal management.

Obvious Combinations & Variations

Source Patent Element
Phase change material with specific activation temperature range (28°F to 58°F)
PTD Variation
Adaptive temperature regulation system that dynamically adjusts thermal properties
Obviousness Reasoning
A PHOSITA would find it obvious to add active temperature sensing and adaptive material response as a predictable enhancement to passive phase change material technology
Source Patent Element
Flexible stretch material forming inner shell of headgear liner
PTD Variation
Moisture-wicking fabric with integrated ventilation system
Obviousness Reasoning
Modifying material properties to improve thermal and moisture management represents a standard design optimization approach in protective equipment engineering
Source Patent Element
Headgear liner designed for multiple safety applications
PTD Variation
Integrated cooling system with micro-channels and heat exchanger
Obviousness Reasoning
Implementing active cooling mechanisms is a known technique for improving thermal regulation, representing an obvious solution to temperature management challenges
Source Patent Element
Inner shell configured to closely fit user's head contour
PTD Variation
Wearable sensor system for real-time body temperature monitoring
Obviousness Reasoning
Adding sensor technology to monitor physiological parameters is a predictable advancement in protective equipment design, leveraging standard instrumentation techniques
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857019 and the disclosed technical variations, a person having ordinary skill in the art would find the claimed innovations obvious and therefore unpatentable. The proposed technical extensions represent predictable combinations of known thermal management techniques, applying standard engineering problem-solving approaches to enhance protective headgear thermal performance.

Original Patent Information

Patent NumberUS 11,857,019
TitleHeadgear hyperthermia liner