Specialized Dishwashers for Niche Environments

Publication ID: 24-11857135_0009_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Dishwashers for Niche Environments,” Published Technical Disclosure No. 24-11857135_0009_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857135_0009_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 adapts the original dishwasher design for specific, high-security, disaster relief, extreme weather, remote, or marine environments, providing enhanced features and capabilities to meet the unique demands of these niche markets.

Background and Problem Solved

The original patent for a dishwasher with a rack addressed the needs of typical household use. However, there is a growing demand for dishwashers that can operate effectively in specialized environments, such as high-security facilities, disaster relief settings, extreme weather conditions, remote or off-grid locations, and marine environments. The original design lacks the necessary features and adaptations to meet the unique requirements of these niche markets, resulting in inadequate cleaning, compromised security, or equipment failure.

Detailed Description of the Inventive Concept

The inventive concept disclosed herein adapts the original dishwasher design to cater to specific niche environments. The high-security dishwasher features a tamper-evident tub and specialized racks designed to accommodate dishes requiring enhanced security features. The disaster relief dishwasher is equipped with a specialized wash cycle designed for cleaning dishes in emergency situations. The extreme weather dishwasher boasts a weather-resistant tub and racks adapted for dishes exposed to harsh environmental conditions. The remote or off-grid dishwasher incorporates a self-sustaining power source, enabling operation in areas without reliable access to electricity. The marine environment dishwasher features a corrosion-resistant tub and racks designed to withstand the corrosive effects of seawater. Each variation addresses the unique challenges of its respective environment, ensuring effective cleaning and reliability.

Novelty and Inventive Step

The inventive concept's novelty lies in its adaptation of the original dishwasher design to address the specific needs of niche environments, providing enhanced security, weather resistance, off-grid capabilities, and corrosion resistance. The inventive step resides in the combination of specialized features and adaptations that enable effective operation in these unique settings.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include dishwashers designed for other specialized environments, such as hospitals, laboratories, or military bases. Variations could also include different materials, designs, or configurations of the tub, racks, and wash cycles to further enhance performance and adaptability.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including high-security facilities, disaster relief organizations, extreme weather research stations, remote or off-grid communities, and marine-based operations. The market demand for specialized dishwashers is growing, driven by the need for reliable, effective, and adapted cleaning solutions in these niche environments.

CPC Classifications

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

Field of Art

Household appliance design, specifically dishwasher engineering, involving mechanical design of washing chambers, rack configurations, and specialized environmental adaptations

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with 3-5 years experience in appliance design, familiar with modular design principles, materials engineering, and adaptations for different environmental conditions

Obviousness Rationale

A PHOSITA would recognize that the disclosed niche environment dishwasher variations represent predictable modifications of the source patent's fundamental dishwasher design. The core structural elements of the two-rack configuration remain consistent, with incremental adaptations addressing specific environmental challenges. These modifications represent standard engineering problem-solving techniques applied to extend the base dishwasher design into specialized market segments.

Obvious Combinations & Variations

Source Patent Element
Modular two-rack dishwasher design with configurable wire structures
PTD Variation
High-security dishwasher with tamper-evident tub and specialized security-focused rack configurations
Obviousness Reasoning
A PHOSITA would recognize that adding security features to an existing dishwasher design represents a predictable variation using known materials and structural modifications to address specific use-case requirements
Source Patent Element
Stationary and movable wire rack configurations
PTD Variation
Extreme weather and marine environment dishwashers with specialized corrosion-resistant and weather-resistant materials
Obviousness Reasoning
Material selection for environmental resistance is a standard engineering design choice, with well-established techniques for adapting appliance materials to specific operational conditions
Source Patent Element
Basic dishwasher tub and rack structural design
PTD Variation
Off-grid dishwasher incorporating self-sustaining power source
Obviousness Reasoning
Integrating alternative power systems into existing appliance architectures represents a known technique for expanding product functionality, utilizing standard electrical and mechanical engineering design principles
Source Patent Element
Multiple rack configuration with vertical stacking
PTD Variation
Disaster relief dishwasher with specialized wash cycle for emergency environments
Obviousness Reasoning
Modifying wash cycle parameters represents a predictable software and control system adaptation that a PHOSITA would find obvious when extending an existing dishwasher design to new use cases
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857135 and the published technical disclosure, a person of ordinary skill in the art would find the disclosed specialized dishwasher variations obvious and non-inventive, representing standard engineering adaptations of a known dishwasher design to address specific environmental and operational requirements through predictable modifications to materials, power systems, and operational parameters.

Original Patent Information

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