Published Technical Disclosure Archive

Advanced Hyperthermia Headgear Liner for Extreme Environments

Publication ID: 24-11857019_0009_PTD
Published: October 27, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Advanced Hyperthermia Headgear Liner for Extreme Environments,” Published Technical Disclosure No. 24-11857019_0009_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857019_0009_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 hyperthermia headgear liner invention, while effective in general applications, had limitations in addressing the unique challenges posed by specialized operational environments. For instance, high-altitude operations require liners that can maintain a stable body temperature above 10,000 feet. Similarly, disaster relief workers need liners that can absorb and release heat in response to changing environmental conditions. The present invention addresses these limitations by providing customized hyperthermia headgear liners tailored to specific operational needs.

Novelty and Inventive Step

The new claims introduce novel and non-obvious variations of the original hyperthermia headgear liner invention, specifically tailored to address the unique challenges of specialized operational environments. The inventive step lies in the customization of the liners to meet the specific needs of each niche market, resulting in improved performance, safety, and user comfort.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include liners with adjustable insulation, liners with integrated cooling or heating systems, or liners with sensors to monitor the user's body temperature. Variations of the invention could also include liners designed for other specialized markets, such as search and rescue operations, or liners adapted for use in extreme weather conditions.

Potential Commercial Applications and Market

The invention has significant commercial potential in various industries, including military, disaster relief, high-altitude operations, and extreme weather occupations. The market for specialized hyperthermia headgear liners is expected to grow as the need for customized safety solutions increases. The invention's adaptability to specific operational environments makes it an attractive solution for industries seeking to improve worker safety and performance.

CPC Classifications

SectionClassGroup
A A42 A42B3/10
A A42 A42B3/0406

Field of Art

Personal protective equipment design, specifically thermal management systems for headgear in high-stress occupational environments, with expertise in materials science, thermal engineering, and ergonomic design

Person of Ordinary Skill (PHOSITA) Profile

A professional with advanced engineering or materials science degree, experience in protective equipment design, understanding of phase change materials, thermal regulation technologies, and customizable protective gear fabrication techniques

Obviousness Rationale

A PHOSITA would recognize that the source patent's fundamental hyperthermia liner technology provides a clear framework for specialized adaptations across different operational contexts. The core thermal management principles established in the original patent inherently suggest modular customization for specific environmental and occupational requirements. The disclosed variations represent predictable extensions of known thermal regulation strategies applied to different use cases.

Obvious Combinations & Variations

Source Patent Element
Flexible stretch material inner shell configured to closely fit user's head contour
PTD Variation
3D scanning and printing technique for creating individualized liner geometry
Obviousness Reasoning
Customization through advanced manufacturing is a predictable design optimization for ergonomic protective equipment, representing a known technique for improving individual fit and performance
Source Patent Element
Phase change material with activation temperature between 28°F and 58°F
PTD Variation
Specialized phase change material for high-altitude or extreme cold weather operations with modified temperature activation range
Obviousness Reasoning
Material property modifications represent routine engineering design choices within established thermal management principles, achievable through standard material science techniques
Source Patent Element
Insulative component with thickness greater than 2mm
PTD Variation
Built-in heating element integrated within liner's insulative structure
Obviousness Reasoning
Active thermal management represents a logical extension of passive insulation technologies, utilizing known electrical and thermal engineering principles
Source Patent Element
Liner designed for installation in various hard shell headwear
PTD Variation
Modular liner system with interchangeable components for different operational scenarios
Obviousness Reasoning
Modular design approach is a standard engineering strategy for creating adaptable protective equipment with predictable performance characteristics
Source Patent Element
Temperature regulation system for preventing hyperthermia
PTD Variation
Integrated temperature monitoring sensors within liner structure
Obviousness Reasoning
Adding sensor technologies to existing thermal management systems represents a straightforward implementation of known monitoring techniques in protective equipment design
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857019, a person having ordinary skill in the art would find the disclosed hyperthermia liner variations obvious and anticipated, as they represent predictable extensions of established thermal management principles through routine engineering design choices and known technological adaptations in protective equipment development.

Original Patent Information

Patent NumberUS 11,857,019
TitleHeadgear hyperthermia liner