Recirculating Fluid Circuit Technology for Advanced Analytics

Publication ID: 24-11857712_0007_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Recirculating Fluid Circuit Technology for Advanced Analytics,” Published Technical Disclosure No. 24-11857712_0007_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857712_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. 11,857,712.

Summary of the Inventive Concept

A versatile recirculating fluid circuit technology for measuring chemical changes in various industries, leveraging the core principles of the original patent to expand into new applications and use cases.

Background and Problem Solved

The original patent focused on utilizing a sorbent cartridge and quantifying chemistry changes to determine solute concentrations in dialysate during dialysis therapy. However, this technology has broader implications and can be applied to various industries, such as agriculture, industrial process water management, industrial waste analysis, aquarium water quality monitoring, and air pollution detection. The new inventive concept addresses the limitations of the original patent by expanding its scope to tackle diverse problems in these industries.

Detailed Description of the Inventive Concept

The new inventive concept revolves around a recirculating fluid circuit with a sorbent cartridge, which enables the measurement of chemical changes in various fluid types. This technology can be applied to monitor soil health by detecting nutrient levels in agricultural runoff, detect contaminants in industrial process water, analyze chemical composition of industrial waste, monitor water quality in aquariums, and detect pollutants in air. The system comprises a sensor to detect changes in fluid chemistry as it passes through the sorbent cartridge, and a processor programmed to quantify the desired parameters based on the detected changes.

Novelty and Inventive Step

The new inventive concept introduces a novel application of the recirculating fluid circuit technology, expanding its scope beyond dialysis therapy to tackle diverse problems in various industries. The inventive step lies in the adaptation of the core technology to address specific challenges in these industries, providing a versatile solution for advanced analytics.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include modifications to the sorbent cartridge, sensor, or processor to optimize performance for specific industries. Variations could also involve integrating the recirculating fluid circuit with existing systems or equipment in these industries.

Potential Commercial Applications and Market

The new inventive concept has significant commercial potential in various industries, including agriculture, industrial process water management, industrial waste analysis, aquarium water quality monitoring, and air pollution detection. The target market includes companies and organizations operating in these industries, as well as research institutions and government agencies seeking advanced analytics solutions.

CPC Classifications

SectionClassGroup
A A61 A61M1/1696
A A61 A61M1/14
A A61 A61M1/165
A A61 A61M1/1605
A A61 A61M1/1609
A A61 A61M1/1613
A A61 A61M1/1619
A A61 A61M1/1694
A A61 A61M1/28
A A61 A61M1/3406
A A61 A61M1/3472
A A61 A61M1/3486
A A61 A61M2202/0498
A A61 A61M2205/05
A A61 A61M2205/3317
A A61 A61M2205/3324
A A61 A61M2205/3334
B B01 B01D15/08
B B01 B01D15/362

Field of Art

Medical and analytical fluid processing systems, specifically involving recirculating fluid circuits with sorbent cartridges and sensor-based chemical analysis across medical, environmental, and industrial applications

Person of Ordinary Skill (PHOSITA) Profile

A professional with expertise in fluid dynamics, sensor technologies, chemical analysis, and system design, typically holding a graduate degree in chemical engineering, biomedical engineering, or related field with experience in fluid processing and sensor integration

Obviousness Rationale

A PHOSITA would recognize that the core technical principles of the source patent's recirculating fluid circuit with sensor-based chemical analysis are fundamentally transferable across different domains. The disclosed variations represent predictable applications of the core technology by substituting the fluid medium and adapting the sensor configuration to detect different chemical parameters. The fundamental mechanism of passing fluid through a sorbent cartridge and quantifying chemical changes remains consistent across the proposed applications.

Obvious Combinations & Variations

Source Patent Element
Recirculating flow path with sensor measuring fluid characteristics
PTD Variation
Applying the recirculating circuit to agricultural runoff for nutrient detection
Obviousness Reasoning
Known technique of adapting sensor-based fluid analysis to different chemical detection contexts, with predictable results of quantifying specific chemical parameters
Source Patent Element
Processor programmed to determine solute levels based on sensor data
PTD Variation
Extending processor logic to detect industrial process water contaminants
Obviousness Reasoning
Straightforward algorithmic adaptation of existing data processing methodology to alternative chemical detection scenarios
Source Patent Element
Sorbent cartridge for capturing and analyzing chemical changes
PTD Variation
Modifying sorbent cartridge composition to detect air pollutants
Obviousness Reasoning
Predictable engineering variation involving material selection and sensor calibration within known design parameters
Source Patent Element
Fluid circuit with integrated sensor and processing system
PTD Variation
Implementing recirculating circuit for aquarium water quality monitoring
Obviousness Reasoning
Routine application of established fluid analysis technology to alternative monitoring contexts with minimal inventive complexity
Source Patent Element
Dynamic fluid chemistry measurement system
PTD Variation
Analyzing chemical composition of industrial waste streams
Obviousness Reasoning
Obvious extension of existing measurement principles to alternative fluid analysis scenarios using standard engineering modifications
35 U.S.C. § 103 Summary: Based on US Patent 11857712's disclosure of a recirculating fluid circuit with sensor-based chemical analysis, the present publication demonstrates that the core technological principles are readily adaptable across multiple domains through routine engineering modifications. A person having ordinary skill in the art would find the proposed variations obvious and predictable extensions of the existing technological framework, thereby rendering potential derivative claims non-patentable under standard obviousness analysis.

Original Patent Information

Patent NumberUS 11,857,712
TitleRecirculating dialysate fluid circuit for measurement of blood solute species
Assignee(s)MOZARC MEDICAL US LLC