Adaptable Rack-Based Cleaning and Disinfecting System

Publication ID: 24-11857135_0002_PTD
Published: November 07, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Adaptable Rack-Based Cleaning and Disinfecting System,” Published Technical Disclosure No. 24-11857135_0002_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857135_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. 11,857,135.

Summary of the Inventive Concept

This inventive concept extends the core technology of a dishwasher with a rack to various industries, enabling efficient cleaning, disinfecting, and refurbishing of diverse items, from medical instruments to pet accessories and sporting goods.

Background and Problem Solved

The original patent disclosed a dishwasher with a rack, limited to household dishwashing applications. However, this concept recognizes the potential of adapting the rack-based technology to address specific cleaning challenges in distinct industries, such as hospitals, fitness centers, pet care, and sports equipment maintenance. The inventive concept solves the problem of inadequate or inefficient cleaning methods in these industries.

Detailed Description of the Inventive Concept

The adaptable rack-based cleaning and disinfecting system comprises a tub and at least one rack designed to hold specific items, such as medical instruments, gym equipment, pet accessories, or sporting goods. The system is configured to operate with various cleaning cycles, including sterilization, sanitizing, deodorizing, and refurbishing, tailored to the specific industry's requirements. The rack's design allows for easy loading and unloading of items, ensuring efficient cleaning and minimizing manual labor.

Novelty and Inventive Step

The new claims introduce an inventive step by applying the core technology of the original patent to entirely different industries and use cases, leveraging the rack-based design to provide innovative cleaning solutions. The novelty lies in the adaptation of the dishwasher technology to address specific challenges in various industries, resulting in a system that is both effective and efficient.

Alternative Embodiments and Variations

Alternative embodiments may include adjustable rack configurations, specialized cleaning agents, or integrated sensors for monitoring cleaning efficacy. Variations could also involve modular tub designs, enabling the system to be easily scaled up or down depending on the industry's needs.

Potential Commercial Applications and Market

The adaptable rack-based cleaning and disinfecting system has significant commercial potential in various industries, including healthcare, fitness, pet care, and sports equipment. The system's ability to provide efficient, effective, and customized cleaning solutions can help businesses reduce costs, improve hygiene, and enhance customer satisfaction.

CPC Classifications

SectionClassGroup
A A47 A47L15/504
A A47 A47L15/18
A A47 A47L15/4278
A A47 A47L15/503

Field of Art

Cleaning and Disinfecting Systems, specifically automated rack-based cleaning technologies for household and industrial applications, involving mechanical design, fluid dynamics, and process engineering

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or industrial design professional with expertise in cleaning system design, familiar with rack configurations, fluid circulation methods, and adaptable cleaning technologies across multiple domains

Obviousness Rationale

A PHOSITA would recognize the fundamental rack-based cleaning architecture from the source dishwasher patent can be readily adapted to alternative cleaning scenarios by modifying rack geometry, cleaning agents, and cycle parameters while maintaining core mechanical principles. The core technological concept of a tub-based cleaning system with configurable racks represents a transferable design paradigm across multiple industries. The variations disclosed in the PTD represent predictable extensions of known cleaning system technologies.

Obvious Combinations & Variations

Source Patent Element
Dishwasher tub with multiple rack configurations for supporting dishes
PTD Variation
Adapting rack design to hold medical instruments, gym equipment, pet accessories, and musical instruments
Obviousness Reasoning
A PHOSITA would recognize that rack geometry can be modified to accommodate different item shapes while maintaining fundamental structural principles, representing a routine design adaptation
Source Patent Element
Spray system for re-circulating wash liquid
PTD Variation
Implementing specialized cleaning cycles with industry-specific sanitizing and sterilization agents
Obviousness Reasoning
Modifying liquid circulation and chemical composition represents a predictable variation within known cleaning system design parameters
Source Patent Element
Controller implementing multiple operational cycles
PTD Variation
Developing customized cleaning cycles for different industries with specific performance requirements
Obviousness Reasoning
Programming alternative cleaning sequences is a standard engineering practice involving known control system techniques
Source Patent Element
Multiple wire-based rack configurations with pivot connections
PTD Variation
Creating adjustable and modular rack designs for different item types and sizes
Obviousness Reasoning
Rack adaptability represents a predictable design evolution using known mechanical connection techniques
Source Patent Element
Tub-based cleaning environment with integrated rack system
PTD Variation
Extending cleaning system to non-kitchen applications like medical, fitness, and recreational equipment
Obviousness Reasoning
Transferring a proven technological architecture to adjacent domains represents a standard engineering problem-solving approach
35 U.S.C. § 103 Summary: Based on US Patent 11857135's fundamental rack-based cleaning system architecture, the present publication demonstrates that variations in rack configuration, cleaning agents, and target items represent obvious technological extensions obvious to a Person Having Ordinary Skill In The Art, thereby establishing prior art that would render analogous patent claims non-patentable under standard obviousness analysis.

Original Patent Information

Patent NumberUS 11,857,135
TitleDishwasher with rack
Assignee(s)Whirlpool Corporation