Modular Portable Toilet Systems for Specialized Environments

Publication ID: 24-11857122_0004_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Modular Portable Toilet Systems for Specialized Environments,” Published Technical Disclosure No. 24-11857122_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857122_0004_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. 11,857,122.

Summary of the Inventive Concept

A family of modular portable toilet systems designed for specific, high-demand environments, such as high-security facilities, disaster relief, extreme weather conditions, remote off-grid locations, and medical facilities, providing enhanced safety, sanitation, and reliability.

Background and Problem Solved

The original modular portable toilet with rotary agitator patent addresses the need for effective waste management in portable toilet devices. However, it has limitations in terms of adaptability to specific, demanding environments. The new inventive concept addresses these limitations by introducing specialized variations of the portable toilet system, tailored to the unique requirements of high-security facilities, disaster relief, extreme weather conditions, remote off-grid locations, and medical facilities.

Detailed Description of the Inventive Concept

The inventive concept comprises a range of modular portable toilet systems, each designed for a specific environment. The high-security facility variant features a secure waste containment unit, an agitator mechanism with enhanced tamper-evident features, and a power unit with redundant backup power sources. The disaster relief variant includes a compact, lightweight frame unit, a toilet unit with a self-sanitizing bowl, and an agitator mechanism with a removable, disposable reagent cartridge. The extreme weather conditions variant features a weather-resistant, insulated frame unit, a toilet unit with a heated bowl, and an agitator mechanism with a cold-weather adapted reagent material. The remote, off-grid locations variant includes a solar-powered power unit, a toilet unit with a composting waste management system, and an agitator mechanism with a manually operated, non-electric reagent mixing feature. The medical facilities variant comprises a toilet unit with a sterile, autoclavable bowl, an agitator mechanism with a UV-C light disinfection feature, and a power unit with a redundant, hospital-grade power supply. Each variant incorporates the rotary agitator mechanism, ensuring efficient waste management and sanitation.

Novelty and Inventive Step

The new inventive concept introduces novel combinations of features and adaptations that address the specific challenges of high-demand environments, providing enhanced safety, sanitation, and reliability. The inventive step lies in the tailored design of each variant, which integrates the rotary agitator mechanism with specialized components and features to meet the unique requirements of each environment.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include additional variants for other specialized environments, such as military operations, remote construction sites, or recreational vehicles. Variations could also include different materials, dimensions, or power sources to further adapt the portable toilet systems to specific use cases.

Potential Commercial Applications and Market

The modular portable toilet systems for specialized environments have significant commercial potential in various industries, including government, healthcare, disaster relief, construction, and recreation. The target market includes organizations and entities operating in high-demand environments, seeking reliable, efficient, and safe waste management solutions.

CPC Classifications

SectionClassGroup
A A47 A47K11/02
B B01 B01F31/31
B B01 B01F35/511
A A47 A47K11/03
B B01 B01F2101/305

Field of Art

Sanitation engineering and portable waste management systems, with expertise in mechanical design of waste processing equipment, fluid mixing mechanisms, and modular environmental adaptation technologies

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with 5-7 years experience in portable sanitation design, familiar with rotary agitation mechanisms, waste containment technologies, and environmental adaptation strategies for portable facilities

Obviousness Rationale

A person of ordinary skill would recognize that the source patent's fundamental rotary agitation mechanism provides a versatile platform for environmental adaptation. The PTD's variations represent predictable engineering modifications that address specific use case requirements by integrating known techniques in power management, material selection, and waste processing technologies. These adaptations would be considered routine design optimization within the technical capabilities of a skilled practitioner.

Obvious Combinations & Variations

Source Patent Element
Rotary agitator mechanism for mixing waste and reagent in a portable toilet system
PTD Variation
Adapting the agitator mechanism with specialized features like UV-C disinfection, manual non-electric operation, and removable reagent cartridges
Obviousness Reasoning
Modifying the core agitation mechanism with alternative power sources and supplemental sanitization techniques represents a predictable engineering solution using known technologies
Source Patent Element
Flexible waste receiving bowl with memory properties
PTD Variation
Developing environment-specific bowl designs including heated, sterile, and composting-compatible configurations
Obviousness Reasoning
Selecting specialized bowl materials and thermal/structural properties is a standard design approach for adapting portable toilet systems to different environmental conditions
Source Patent Element
Vertical shaft-mounted rotary agitator
PTD Variation
Integrating alternative power sources like solar and redundant backup power systems for the agitation mechanism
Obviousness Reasoning
Substituting power delivery methods while maintaining core mechanical functionality represents a routine engineering modification with predictable results
Source Patent Element
Waste mixing system with reagent interaction
PTD Variation
Developing specialized reagent cartridges and cold-weather adapted mixing materials
Obviousness Reasoning
Modifying chemical reagent composition and delivery mechanisms is a standard approach to extending equipment performance across different environmental conditions
Source Patent Element
Portable toilet system with mechanical waste processing
PTD Variation
Creating modular variants for high-security, medical, disaster relief, and off-grid environments
Obviousness Reasoning
Tailoring a fundamental waste management technology to specific use cases through targeted feature integration is a predictable engineering design strategy
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857122 and the disclosed technical variations, a person of ordinary skill in the art would find the proposed portable toilet system modifications obvious and lacking inventive step. The systematic adaptation of the source patent's rotary agitation mechanism to specialized environmental contexts represents routine engineering optimization that would be apparent to a skilled practitioner without requiring extraordinary innovation.

Original Patent Information

Patent NumberUS 11,857,122
TitleModular portable toilet with rotary agitator
Assignee(s)Coversan, LLC