Published Technical Disclosure Archive

Advanced Hyperthermia Headgear Cooling Liner Technology

Publication ID: 24-11857019_0006_PTD
Published: October 27, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Hyperthermia Headgear Cooling Liner Technology,” Published Technical Disclosure No. 24-11857019_0006_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857019_0006_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 patent addressed the critical issue of overheating in safety headgear. However, it had limitations in terms of temperature sensing, airflow, and maintenance. The present invention builds upon the original concept by introducing a temperature-sensing module, breathable mesh layer, removable and washable design, adjustable fit system, and cooling components to provide a more efficient, comfortable, and safe solution for users.

Novelty and Inventive Step

The present invention's novelty lies in the integration of a temperature-sensing module, breathable mesh layer, removable and washable design, adjustable fit system, and cooling components, which collectively provide a more efficient, comfortable, and safe solution for users. These features are non-obvious improvements over the original patent, as they address specific limitations and provide a more comprehensive solution to the problem of hyperthermia in safety headgear.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include the use of different materials, such as advanced phase change materials or moisture-wicking fabrics, to enhance the liner's performance. Variations could also include the integration of additional features, such as sensors to monitor other vital signs or communication systems to alert users of potential heat stress.

Potential Commercial Applications and Market

The enhanced hyperthermia headgear liner system has significant commercial potential in various industries, including industrial safety, sports, and military. The invention's ability to provide a safer, more comfortable, and high-performance solution for users makes it an attractive option for manufacturers and consumers alike.

CPC Classifications

SectionClassGroup
A A42 A42B3/10
A A42 A42B3/0406

Field of Art

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

Person of Ordinary Skill (PHOSITA) Profile

An engineer with expertise in protective equipment design, materials engineering, and thermal management, possessing knowledge of phase change materials, textile technologies, and human physiological responses to heat stress

Obviousness Rationale

A person of ordinary skill would recognize that the PTD's variations represent predictable engineering improvements to the source patent's hyperthermia headgear liner, utilizing known techniques in thermal management, sensor integration, and ergonomic design to address inherent limitations in the original invention.

Obvious Combinations & Variations

Source Patent Element
Inner shell with flexible stretch material configured to closely fit user's head
PTD Variation
Adding an adjustable fit system to customize liner contour
Obviousness Reasoning
A PHOSITA would find it obvious to incorporate adjustability to improve fit and comfort, as variability in head sizes is a known challenge in protective equipment design
Source Patent Element
Phase change material with specific temperature activation range
PTD Variation
Integrating a temperature-sensing module to actively monitor and respond to body temperature
Obviousness Reasoning
Combining temperature monitoring with existing thermal regulation is a predictable solution using known sensor technologies to enhance the liner's protective capabilities
Source Patent Element
Headgear liner designed for various safety applications
PTD Variation
Adding breathable mesh layer and moisture-wicking capabilities
Obviousness Reasoning
Improving thermal comfort through enhanced ventilation is an obvious design optimization using well-established textile engineering principles
Source Patent Element
Hard shell safety headwear with integrated liner
PTD Variation
Creating a removable and washable liner system
Obviousness Reasoning
Implementing modular, cleanable design is a standard engineering approach to improve hygiene and maintenance of protective equipment
Source Patent Element
Insulative component with specific thickness parameters
PTD Variation
Incorporating additional cooling components like ventilation channels
Obviousness Reasoning
Enhancing heat dissipation through structural modifications represents a predictable solution within the known design space for thermal management
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 technical variations disclosed herein to be obvious extensions of the prior art, representing routine engineering improvements that would be apparent to a skilled practitioner seeking to optimize hyperthermia prevention in safety headgear design.

Original Patent Information

Patent NumberUS 11,857,019
TitleHeadgear hyperthermia liner