Enhanced Direct Improvements & Enhancements Technical Implementation

Publication ID: 24-11858272_0001_PTD

Published: October 29, 2025

Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Direct Improvements & Enhancements Technical Implementation,” Published Technical Disclosure No. 24-11858272_0001_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858272_0001_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. 11,858,272.

Summary of the Inventive Concept

An improved approach to direct improvements & enhancements that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but direct improvements & enhancements presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements direct improvements & enhancements enhancements while maintaining compatibility with the original patent's architecture. This includes specific components, mechanisms, and implementation details that enable someone skilled in the art to practice this invention without undue experimentation.

Novelty and Inventive Step

Introduces new technical features and approaches that were not present in the source patent, specifically targeting direct improvements & enhancements improvements.

Alternative Embodiments and Variations

Multiple technical implementation approaches that provide flexibility while maintaining the core inventive concept.

Potential Commercial Applications and Market

Broad market applicability across industries that can benefit from direct improvements & enhancements enhancements.

CPC Classifications

Section	Class	Group
B	B41	B41J2/17513
B	B41	B41J2/17553
B	B41	B41J2/19

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Printer ink circulation systems and fluid management technologies, specifically involving ink delivery, pressure control, and valve mechanisms in printing equipment

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with expertise in fluid systems design, printer technology, and ink management, possessing knowledge of fluid dynamics, valve control mechanisms, and printer component integration

Obviousness Rationale

A person skilled in the art would recognize that the PTD's disclosed improvements represent predictable variations of the source patent's ink circulation system, utilizing standard engineering design techniques to enhance fluid management and component interactions. The variations demonstrate incremental technical modifications that would be apparent to a skilled practitioner familiar with printer ink system design. The proposed enhancements leverage known techniques and design principles inherent in the original patent's technical framework.

Obvious Combinations & Variations

Source Patent Element

Ink cartridge with output pipeline and valve mechanism

PTD Variation

Enhanced valve control system with additional pressure sensing and dynamic flow management

Obviousness Reasoning

Implementing refined valve control represents a predictable optimization using known fluid system design principles, involving standard pressure sensing and flow regulation techniques

Source Patent Element

Ink circulation modes including filling, printing, and removal

PTD Variation

Extended operational modes with more granular pressure and flow control parameters

Obviousness Reasoning

Expanding operational modes through incremental parameter adjustments constitutes a routine design enhancement that would be obvious to a skilled engineer

Source Patent Element

Positive-negative pressure assembly for ink management

PTD Variation

Advanced pressure modulation techniques with improved sensor integration and dynamic response

Obviousness Reasoning

Refining pressure control mechanisms using known sensor and feedback technologies represents a standard engineering approach to system optimization

Source Patent Element

Ink tank and cartridge interconnection system

PTD Variation

Improved fluid pathway design with enhanced compatibility and reduced potential for contamination

Obviousness Reasoning

Modifying fluid pathway configurations to improve system performance is a predictable design iteration within standard printer technology development

Source Patent Element

Ink circulation system with multiple valve configurations

PTD Variation

Extended valve control logic with more sophisticated state management and diagnostic capabilities

Obviousness Reasoning

Implementing more complex valve control logic represents a straightforward engineering enhancement using known control system design principles

35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. § 103, the technical variations disclosed herein would have been obvious to a person having ordinary skill in the art at the time of invention, as they represent predictable extensions of the foundational teachings in US Patent 11858272, utilizing standard engineering design techniques and demonstrating no more than routine optimization of known printer ink circulation system technologies.

Original Patent Information

Patent Number	US 11,858,272
Title	Ink circulation system
Assignee(s)	KINPO ELECTRONICS, INC.