Eco-Friendly Waste Management Solutions for Outdoor Environments

Publication ID: 24-11857479_0002_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Eco-Friendly Waste Management Solutions for Outdoor Environments,” Published Technical Disclosure No. 24-11857479_0002_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857479_0002_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. 11,857,479.

Summary of the Inventive Concept

This inventive concept leverages the core technology of the bedpan liner with drawstring to create innovative waste management solutions for outdoor recreational areas, public parks, and disaster relief situations, promoting eco-friendliness and reducing environmental impact.

Background and Problem Solved

The original patent's bedpan liner with drawstring addressed the need for easy waste disposal in healthcare settings. However, outdoor environments, such as recreational areas, public parks, and disaster relief situations, face unique challenges in managing waste effectively. Current solutions are often inadequate, leading to environmental pollution and health hazards. The new inventive concept tackles these issues by adapting the core technology to these novel applications.

Detailed Description of the Inventive Concept

The inventive concept encompasses a range of eco-friendly waste management solutions, including portable, biodegradable liner assemblies with drawstrings, designed to fit within portable toilets, public waste receptacles, or other containers. These liners securely contain waste for easy disposal, reducing the risk of environmental contamination. The system can be integrated with waste collection mechanisms, ensuring proper disposal and minimizing waste accumulation. The biodegradable material and drawstring design enable easy deployment, use, and disposal, making it an ideal solution for outdoor environments.

Novelty and Inventive Step

The new claims introduce the novel application of the bedpan liner technology to outdoor environments, providing a non-obvious solution to the specific problems faced in these settings. The inventive step lies in the adaptation of the core technology to address the unique challenges of waste management in outdoor recreational areas, public parks, and disaster relief situations.

Alternative Embodiments and Variations

Alternative embodiments may include variations in liner material, drawstring design, and waste collection mechanisms. For instance, the liner material could be modified to be compostable or incorporate antimicrobial properties. The drawstring design could be optimized for easier use or incorporate additional features, such as a built-in waste indicator. The waste collection mechanism could be integrated with IoT sensors for real-time monitoring and optimized waste collection routes.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the outdoor recreation, public park management, and disaster relief industries. The eco-friendly waste management solutions can be marketed as a premium offering, appealing to environmentally conscious consumers and organizations. Potential customers include outdoor recreation equipment manufacturers, public park authorities, disaster relief organizations, and eco-tourism operators.

CPC Classifications

SectionClassGroup
A A61 A61G9/003

Field of Art

Medical waste management and sanitary disposal systems, with expertise in containment technologies, liner design, and waste handling mechanisms for portable and medical environments

Person of Ordinary Skill (PHOSITA) Profile

A professional with engineering or biomedical background, familiar with waste containment technologies, material science, and design optimization for sanitary disposal systems, typically holding a bachelor's or master's degree in relevant engineering disciplines

Obviousness Rationale

A PHOSITA would recognize the fundamental transferability of the bedpan liner's core technological principles to broader waste management contexts. The drawstring closure mechanism and conforming liner design represent generalizable solutions that can be readily adapted to different environmental waste containment scenarios. The PTD's extension to outdoor and disaster relief settings represents a predictable application of known waste management technologies.

Obvious Combinations & Variations

Source Patent Element
Bedpan liner with drawstring closure system
PTD Variation
Portable toilet and outdoor waste management liner with identical drawstring closure mechanism
Obviousness Reasoning
Transferring a proven containment mechanism to similar waste management contexts represents a standard design adaptation with predictable results
Source Patent Element
Liner configured to conform to container shape
PTD Variation
Biodegradable liner designed to fit portable toilets and public waste receptacles
Obviousness Reasoning
Shape-conforming liner technology is a known technique that can be easily modified across different container types using standard design principles
Source Patent Element
Waste containment system with secure disposal features
PTD Variation
Integrated waste collection mechanism for outdoor and disaster relief environments
Obviousness Reasoning
Extending waste management technologies to new contexts represents a logical and predictable engineering solution using known containment strategies
Source Patent Element
Single-use liner with specific dimensional characteristics
PTD Variation
Biodegradable liner with alternative material compositions and integrated antimicrobial properties
Obviousness Reasoning
Material selection and functional enhancement represent standard design iterations within waste management technologies
Source Patent Element
Drawstring closure for secure waste containment
PTD Variation
Drawstring design with potential IoT sensor integration for waste monitoring
Obviousness Reasoning
Incorporating sensor technologies into existing mechanical systems represents a predictable technological evolution with known design methodologies
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857479 and the published technical disclosure, a person of ordinary skill in the art would find the claimed waste management system variations obvious and non-patentable. The fundamental technological principles of the source patent's bedpan liner can be readily extended to outdoor, portable, and disaster relief waste management contexts through standard engineering design adaptations that would be apparent to a skilled practitioner in the field.

Original Patent Information

Patent NumberUS 11,857,479
TitleBedpan liner with drawstring