Published Technical Disclosure Archive

Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858266_0007_PTD
Published: October 29, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Enhanced New Applications & Use Cases Technical Implementation,” Published Technical Disclosure No. 24-11858266_0007_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858266_0007_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 new applications & use cases that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but new applications & use cases presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements new applications & use cases 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 new applications & use cases 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 new applications & use cases 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 printing technologies involving fluid circulation, maintenance, and viscosity management mechanisms

Person of Ordinary Skill (PHOSITA) Profile

An engineer with advanced mechanical and fluid dynamics expertise, familiar with printer design, fluid circulation systems, and ink management technologies, typically holding a Bachelor's or Master's degree in mechanical or electrical engineering

Obviousness Rationale

A skilled practitioner would recognize that the PTD's disclosed variations represent predictable technical extensions of the source patent's fundamental liquid ejection apparatus architecture. The proposed enhancements leverage known design principles and standard engineering problem-solving approaches within fluid management systems. By applying standard combinatorial techniques and incremental innovation strategies, a PHOSITA could readily implement the PTD's proposed modifications without requiring inventive insight.

Obvious Combinations & Variations

Source Patent Element
Circulation flow path with supply and return paths for liquid management
PTD Variation
Enhanced flow path configurations supporting multiple application use cases
Obviousness Reasoning
Modifying flow path geometries represents a routine design optimization within fluid system engineering, involving predictable modifications to achieve specific performance characteristics
Source Patent Element
Viscosity estimation and flow rate control mechanisms
PTD Variation
Advanced viscosity detection algorithms with expanded parameter ranges
Obviousness Reasoning
Refining viscosity detection techniques constitutes a standard engineering improvement using known signal processing and sensor integration methods
Source Patent Element
Degassing mechanism with vacuum degree control
PTD Variation
Extended degassing strategies targeting specific liquid property management
Obviousness Reasoning
Implementing alternative degassing approaches represents a predictable variation using known fluid management principles and established engineering techniques
Source Patent Element
Liquid ejection section with nozzle-based fluid delivery
PTD Variation
Expanded nozzle configuration and fluid delivery optimization strategies
Obviousness Reasoning
Modifying nozzle geometries and delivery mechanisms constitutes a standard design iteration process within precision fluid ejection technologies
Source Patent Element
Controller managing liquid circulation parameters
PTD Variation
Enhanced control algorithms supporting broader operational scenarios
Obviousness Reasoning
Developing more sophisticated control strategies represents a routine software and systems engineering approach to expanding technological capabilities
35 U.S.C. § 103 Summary: Based on the comprehensive teachings of US Patent 11858266 and the technical variations disclosed herein, a Person Having Ordinary Skill In The Art would find the proposed technical implementations obvious and lacking inventive step, thereby rendering potential derivative claims unpatentable under 35 U.S.C. Section 103 as anticipated prior art.

Original Patent Information

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