Enhanced Electronic Vapor Provision Device with Adaptive Absorbent Element

Publication ID: 24-11857721_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Electronic Vapor Provision Device with Adaptive Absorbent Element,” Published Technical Disclosure No. 24-11857721_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857721_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. 11,857,721.

Summary of the Inventive Concept

An improved electronic vapor provision device featuring an adaptive absorbent element to enhance liquid management, safety, and efficiency.

Background and Problem Solved

The original patent, 'Electronic vapor provision device with absorbent element', addressed the issue of liquid leakage in e-cigarettes. However, the existing design had limitations in terms of liquid management, safety, and efficiency. The new inventive concept builds upon the original patent by introducing an adaptive absorbent element that dynamically adjusts to accommodate varying levels of escaped liquid, ensuring optimal device performance and safety.

Detailed Description of the Inventive Concept

The enhanced electronic vapor provision device comprises a reservoir, an atomizer, and an adaptive absorbent element positioned to intercept and absorb escaped liquid. The absorbent element can be modified to accommodate varying levels of escaped liquid, ensuring optimal device performance and safety. The device also features a sensor for detecting escaped liquid, triggering an alert or shutdown mechanism when a predetermined amount is detected. Additionally, the absorbent element can be utilized to supplement the device's vapor generation process, increasing device efficiency and reducing waste.

Novelty and Inventive Step

The new claims introduce an adaptive absorbent element that dynamically adjusts to accommodate varying levels of escaped liquid, ensuring optimal device performance and safety. This innovation provides a significant improvement over the original patent, which lacked this adaptive feature. The new claims also introduce a sensor for detecting escaped liquid, triggering an alert or shutdown mechanism, which enhances device safety and prevents accidents.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include different materials or designs for the adaptive absorbent element, varying sensor types or detection mechanisms, and different alert or shutdown mechanisms. Additionally, the inventive concept could be applied to other types of vapor provision devices or aerosol systems.

Potential Commercial Applications and Market

The enhanced electronic vapor provision device has significant commercial potential in the e-cigarette and vaping industries, where safety and efficiency are critical concerns. The device's adaptive absorbent element and sensor-based safety features could provide a competitive advantage in the market, appealing to consumers seeking reliable and safe vaping products.

CPC Classifications

SectionClassGroup
A A61 A61M15/06
A A24 A24F40/40
A A61 A61M11/042
H H05 H05B1/0297
H H05 H05B3/46
A A24 A24B15/167
A A24 A24F40/10
A A61 A61M2016/0021
A A61 A61M2205/3331
A A61 A61M2205/3653
A A61 A61M2205/7527
A A61 A61M2205/8206

Field of Art

Electronic vapor provision devices, specifically focusing on liquid management, atomization systems, and safety mechanisms for e-cigarette and vaping technologies

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with expertise in electronic device design, fluid dynamics, materials science, and electrical engineering, typically holding a bachelor's or master's degree with 3-5 years of experience in electronic vapor device development

Obviousness Rationale

A person having ordinary skill in the art would recognize that the PTD's adaptive absorbent element and liquid detection mechanisms represent predictable engineering solutions to known challenges in electronic vapor provision devices. The proposed variations systematically address liquid leakage and device safety using standard design techniques and components already understood in the field. These modifications represent incremental improvements that would be apparent to a skilled practitioner seeking to enhance device performance and reliability.

Obvious Combinations & Variations

Source Patent Element
Absorbent element positioned between atomizer and electrical power supply
PTD Variation
Dynamically adjustable absorbent element that can modify its absorption capacity
Obviousness Reasoning
A PHOSITA would recognize that modifying material properties or incorporating adjustable absorption mechanisms represents a predictable design optimization for liquid management
Source Patent Element
Component for inhibiting escaped liquid from reaching electrical power supply
PTD Variation
Integrated sensor for detecting escaped liquid and triggering shutdown mechanism
Obviousness Reasoning
Adding safety monitoring represents a known technique for improving device reliability using standard electronic sensing technologies
Source Patent Element
Basic absorbent element for liquid interception
PTD Variation
Utilizing absorbed liquid to supplement vapor generation process
Obviousness Reasoning
Repurposing absorbed liquid demonstrates a logical efficiency improvement that would be obvious to a skilled practitioner seeking to minimize waste
Source Patent Element
Electronic vapor provision device with liquid reservoir and atomizer
PTD Variation
Modular component with detachable absorbent element for easy replacement
Obviousness Reasoning
Implementing modular design for maintenance represents a standard engineering approach to improving device serviceability
Source Patent Element
Basic liquid management strategy
PTD Variation
Adaptive absorbent element with multiple material configurations
Obviousness Reasoning
Exploring alternative material compositions for improved performance constitutes a routine design optimization within the field
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857721 and the disclosed technical variations, a person having ordinary skill in the art would find the claimed innovations obvious and lacking non-obvious inventive merit. The proposed adaptive absorbent element, sensor integration, and modular design represent predictable engineering solutions that would be readily conceived by a skilled practitioner seeking to improve electronic vapor provision device performance and safety.

Original Patent Information

Patent NumberUS 11,857,721
TitleElectronic vapor provision device with absorbent element
Assignee(s)NICOVENTURES TRADING LIMITED