Published Technical Disclosure Archive

Enhanced Direct Improvements & Enhancements Technical Implementation

Publication ID: 24-11858266_0006_PTD
Published: October 29, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Direct Improvements & Enhancements Technical Implementation,” Published Technical Disclosure No. 24-11858266_0006_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858266_0006_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. 11,858,266.

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

SectionClassGroup
B B41 B41J2/04563
B B41 B41J2/04508
B B41 B41J2/04571
B B41 B41J2/04581
B B41 B41J2/18
B B41 B41J2/19

Field of Art

Liquid ejection systems, specifically inkjet printer technologies involving fluid circulation, maintenance, and viscosity management in printing apparatus

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with specialized expertise in fluid handling systems, printer design, and fluid dynamics, possessing knowledge of inkjet printing technologies, fluid circulation mechanisms, and maintenance strategies

Obviousness Rationale

A person having ordinary skill in the art would recognize that the published technical disclosure represents predictable variations and extensions of the source patent's core liquid ejection apparatus concepts. The PTD's enhancements demonstrate standard engineering problem-solving approaches that would be apparent to a skilled practitioner familiar with liquid ejection system design. The modifications represent incremental improvements that leverage known techniques within the established technological framework of the original patent.

Obvious Combinations & Variations

Source Patent Element
Circulation flow path with supply and return paths for liquid management
PTD Variation
Enhanced flow path configurations with additional routing and optimization strategies
Obviousness Reasoning
Routine design optimization using known fluid dynamics principles and standard engineering design choices
Source Patent Element
Viscosity estimation and flow rate control mechanisms
PTD Variation
Advanced viscosity detection and adaptive flow management techniques
Obviousness Reasoning
Predictable extension of existing viscosity management strategies using known sensor and control technologies
Source Patent Element
Degassing mechanism with vacuum-based liquid processing
PTD Variation
Improved degassing module with enhanced vacuum and fluid processing capabilities
Obviousness Reasoning
Incremental technical improvement using standard engineering techniques for fluid system optimization
Source Patent Element
Liquid ejection section with nozzle-based fluid delivery
PTD Variation
Enhanced nozzle design and fluid delivery mechanisms with improved performance characteristics
Obviousness Reasoning
Obvious variation using known printer technology design principles and performance optimization strategies
Source Patent Element
Controller managing liquid flow and viscosity parameters
PTD Variation
Advanced control algorithms with more sophisticated fluid management logic
Obviousness Reasoning
Predictable software and control system enhancement using standard programming and system design approaches
35 U.S.C. § 103 Summary: Based on a comprehensive analysis of US Patent 11858266 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations obvious and anticipated by the existing prior art. The disclosed technical improvements represent standard engineering design choices that would be readily apparent to a skilled practitioner in liquid ejection system technologies, thereby rendering potential derivative claims non-patentable under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,858,266
TitleLiquid ejecting apparatus and maintenance method of liquid ejecting apparatus
Assignee(s)Seiko Epson Corporation