Cleaning Device for Diverse Applications

Publication ID: 24-11857132_0002_PTD
Published: November 07, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Cleaning Device for Diverse Applications,” Published Technical Disclosure No. 24-11857132_0002_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857132_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. 11,857,132.

Summary of the Inventive Concept

This inventive concept leverages the core technology of the original cleaning device patent to develop innovative solutions for cleaning medical instruments, exercise equipment, musical instruments, industrial machinery, and sports equipment.

Background and Problem Solved

The original cleaning device patent was limited to cleaning kitchen tools. However, the need for efficient and effective cleaning solutions exists in various industries. The new inventive concept addresses this limitation by applying the core technology to diverse applications, ensuring cleanliness, sanitation, and safety across multiple domains.

Detailed Description of the Inventive Concept

The inventive concept comprises a body defining an inlet aperture, first and second infinite belt assemblies with sterilizable or scratch-resistant bristles, and a drive unit. The belt assemblies rotate in opposite directions to clean and sanitize the received instruments or equipment. The system can be adapted to accommodate various shapes and sizes of instruments or equipment, and the bristles can be made of materials suitable for specific applications.

Novelty and Inventive Step

The new claims introduce novel applications and use cases for the core cleaning device technology, demonstrating an inventive step by extending the technology beyond kitchen tools to address specific cleaning challenges in medical, exercise, musical, industrial, and sports equipment domains.

Alternative Embodiments and Variations

Alternative embodiments may include modifications to the belt assemblies, drive unit, or body design to accommodate specific cleaning requirements. Variations may also include integrating sensors, automation, or advanced cleaning solutions to enhance the system's performance and efficiency.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in multiple industries, including healthcare, fitness, music, manufacturing, and sports. The system can be marketed as a versatile, efficient, and effective cleaning solution, offering a competitive advantage in these markets.

CPC Classifications

SectionClassGroup
A A47 A47L15/39
A A46 A46B13/02
A A46 A46D1/0207
A A47 A47L15/0086
A A47 A47L15/4214
A A46 A46B2200/3033

Field of Art

Cleaning device technologies, spanning mechanical cleaning systems with multi-directional belt assemblies, applicable across industrial, medical, and consumer domains. Expertise requires understanding mechanical design, material science, and cross-domain cleaning system adaptation

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or industrial design specialist with experience in cleaning system design, familiar with belt-driven cleaning mechanisms, material compatibility, and cross-industry equipment sanitization techniques

Obviousness Rationale

The PTD demonstrates a straightforward extension of the source patent's core cleaning mechanism by applying the fundamental belt-driven cleaning technology to diverse domains. A PHOSITA would recognize that the core mechanical principles of counter-rotating bristled belt assemblies are universally applicable across different cleaning contexts. The variations primarily involve material selection and sizing adaptations, which represent predictable engineering modifications within a skilled practitioner's standard problem-solving approach.

Obvious Combinations & Variations

Source Patent Element
Infinite belt assembly with bristles for cleaning kitchen tools
PTD Variation
Adapting belt assemblies for medical instrument cleaning with sterilizable bristle materials
Obviousness Reasoning
Material substitution represents a known technique, with sterilizable materials being a predictable design choice for medical equipment cleaning
Source Patent Element
Counter-rotating belt assemblies for comprehensive cleaning
PTD Variation
Applying counter-rotation mechanism to exercise, sports, and industrial equipment cleaning
Obviousness Reasoning
Mechanical cleaning principle is transferable across domains, representing a standard engineering approach to solving cleaning challenges
Source Patent Element
Body with inlet aperture designed for kitchen tools
PTD Variation
Modifying body and aperture dimensions to accommodate different instrument sizes and shapes
Obviousness Reasoning
Dimensional scaling and aperture adaptation are routine engineering modifications within a PHOSITA's skill set
Source Patent Element
Bristles made of silicone or EPDM rubber
PTD Variation
Selecting bristle materials specific to each cleaning domain (non-scratch for musical instruments, durable for industrial machinery)
Obviousness Reasoning
Material selection based on specific use case represents a predictable design optimization technique
Source Patent Element
Water supply and solenoid valve mechanism
PTD Variation
Integrating cleaning solution or sanitizing rinse capabilities for different equipment types
Obviousness Reasoning
Fluid delivery system modifications represent standard engineering problem-solving for cleaning device adaptations
35 U.S.C. § 103 Summary: Based on US Patent 11857132's fundamental cleaning device technology, this publication demonstrates that the claimed variations represent obvious extensions readily apparent to a person having ordinary skill in mechanical cleaning system design. The disclosed adaptations constitute predictable technical variations that would be within the routine capabilities of a skilled practitioner, thereby rendering potential derivative claims obvious and unpatentable under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,132
TitleCleaning device
Assignee(s)Whirlpool Corporation