Enhanced Direct Improvements & Enhancements Technical Implementation

Publication ID: 24-11858192_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. 24-11858192_0006_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858192_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. 11,858,192.

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	B29	B29C48/254
B	B29	B29C48/2522
B	B33	B33Y80/00

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Mechanical sealing systems and additive manufacturing technologies, with expertise in shaft sealing devices, precision engineering, and advanced manufacturing techniques

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with advanced knowledge of sealing technologies, 3D printing methods, and industrial shaft sealing design, capable of understanding complex mechanical interfaces and manufacturing innovations

Obviousness Rationale

A PHOSITA would recognize that the published technical disclosure represents predictable variations and extensions of the source patent's core sealing device technology. The disclosed improvements leverage known design modification techniques and manufacturing approaches that are consistent with standard engineering problem-solving methodologies. The variations demonstrate incremental enhancements that would be apparent to a skilled practitioner familiar with shaft sealing systems and advanced manufacturing techniques.

Obvious Combinations & Variations

Source Patent Element

Plate-shaped sealing body with opening extending through front and rear sides

PTD Variation

Enhanced geometric configurations and alternative opening geometries that maintain core structural principles

Obviousness Reasoning

Routine design optimization using known geometric modification techniques, representing predictable variations within established mechanical design parameters

Source Patent Element

Additive manufacturing method for producing first body

PTD Variation

Advanced 3D printing techniques with enhanced material compositions and precision manufacturing approaches

Obviousness Reasoning

Incremental improvements in additive manufacturing are expected by a PHOSITA as technology continuously evolves, representing known techniques for enhancing manufacturing processes

Source Patent Element

Sealing means configured as stuffing box

PTD Variation

Alternative sealing configurations that maintain functional equivalence and interface compatibility

Obviousness Reasoning

Finite set of known sealing techniques that would be obvious to implement based on specific performance requirements and design constraints

Source Patent Element

Shaft and housing sealing interface

PTD Variation

Enhanced material selections and surface treatments for improved performance characteristics

Obviousness Reasoning

Routine materials engineering approach for optimizing mechanical interfaces, representing predictable engineering modifications

Source Patent Element

Plate-shaped bodies with interconnectable configurations

PTD Variation

Modular design approaches enabling enhanced adaptability and customization of sealing systems

Obviousness Reasoning

Standard engineering practice of creating flexible, reconfigurable mechanical systems using known design principles

35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. § 103, the published technical disclosure constitutes prior art that would render obvious any patent claims covering substantially similar sealing device technologies as disclosed in US 11858192, by demonstrating that the claimed variations represent predictable extensions of existing technological approaches within the mechanical sealing arts, achievable through routine engineering skill and known design modification techniques.

Original Patent Information

Patent Number	US 11,858,192
Title	Sealing device
Assignee(s)	KRAUSSMAFFEI EXTRUSION GMBH