Company patents

CAREFUSION 303, INC.

CAREFUSION 303, INC. demonstrates a clear focus on medical devices, with Drug Delivery Devices comprising 68.3% of its portfolio. While patenting in core areas like Drug Delivery Devices and Healthcare Informatics saw a decline in 2025, it's surprising to see an emerging focus in Computer Security, which experienced a significant 66.7% year-over-year growth in patent filings so far in 2026, despite its small 2.6% share of the total portfolio.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

777 US filings (since 2023) · 12 categories · 27 themes

Closed-System Fluid Transfer

Devices and adapters that enable the sterile and secure transfer of liquids, such as medications or diluents, between containers (vials, syringes, IV bags) while minimizing exposure to contaminants or air.

Pharmacy Containers / Devices
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401since 2023
-25.3%YoY
Specialized Fluid Handling Connections

Couplings and fittings designed for specific fluid properties (e.g., cryogenic, chemical, medical, high-pressure) or requiring aseptic conditions, low-spill characteristics, or antimicrobial features to ensure safety and integrity.

Pipes & Tubing
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222since 2023
-25.3%YoY
Smart Medication Management

Systems that integrate digital technology, sensors, or connectivity to monitor, track, or automate aspects of medication administration, often providing data feedback, personalized recommendations, or secure logging.

Healthcare InformaticsPharmacy Containers / Devices
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222since 2023
-28.4%YoY
Automated Drug Dispensing

Devices or systems designed to precisely measure and deliver specific doses of medication, often incorporating automated mechanisms, dose-limiting features, or hands-free operation.

Pharmacy Containers / Devices
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191since 2023
-37.3%YoY
Automated Injector Mechanisms

Mechanical or electromechanical systems designed for precise, often self-administered, delivery of medicaments, including features for dose setting, needle insertion/retraction, and safety mechanisms to prevent premature activation.

Drug Delivery Devices
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118since 2023
+18.8%YoY
Quick Connect/Disconnect Couplings

Mechanisms allowing rapid, secure, and often sealed attachment and detachment of pipes, tubes, or hoses, frequently featuring locking, sealing, and release components for efficient assembly and maintenance.

Pipes & Tubing
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94since 2023
-2.9%YoY
Integrated Functionality in Tubing

Tubes, hoses, or ducts incorporating additional components or features beyond simple fluid conveyance, such as embedded electronics (sensors, heaters), structural reinforcement, or segregated compartments for cable routing.

Pipes & Tubing
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41since 2023
-60.0%YoY
Catheter-based Intervention Devices

Minimally invasive medical devices, typically flexible tubes, inserted into body lumens to deliver substances, remove obstructions, or perform localized treatments like ablation, dialysis, or drainage.

Drug Delivery Devices
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37since 2023
-66.7%YoY
Pressure Relief and Check Valves

Valves engineered to automatically open or close based on pressure differentials, preventing over-pressurization, controlling flow direction, or suppressing backflow in fluid systems.

Valves
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26since 2023
-70.0%YoY
Advanced Valve Actuation

Mechanisms and control systems for precisely moving valve elements, often involving electric motors, cams, solenoids, or pneumatic/hydraulic pilots, to achieve desired flow or position.

Valves
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18since 2023
-44.4%YoY
Interventional & Implantable Therapies

Design and application of devices that are inserted into the body or implanted to treat diseases, modulate physiological functions, or repair anatomical structures.

Medical Diagnostics & Surgery
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18since 2023
-25.0%YoY
Drug Preparation Aids

Devices that assist in the physical modification or mixing of medications prior to administration, such as crushing solid drugs, cutting pills, reconstituting lyophilized products, or extracting from other devices.

Pharmacy Containers / Devices
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13since 2023
+400.0%YoY
Integrated Valve Sensing & Diagnostics

Incorporating sensors and processing capabilities directly into valve systems to monitor operational state, detect malfunctions, measure flow parameters, or verify proper installation.

Valves
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9since 2023
0.0%YoY
Valves for Sanitary & HVAC Systems

Specialized valve designs for domestic and commercial applications involving water distribution, temperature control, and air conditioning, often focusing on integration, materials, and specific flow characteristics.

Valves
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8since 2023
-75.0%YoY
Digital Key & Credential Management

Methods and devices for generating, transferring, storing, and utilizing electronic or digitally encoded keys and access credentials, including physical keys with integrated digital information for enhanced security or convenience.

Locks & Keys
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7since 2023
+50.0%YoY
Hydraulic & Pneumatic Control Valves

Valves specifically designed for managing fluid power in hydraulic or pneumatic systems, including components for pressure regulation, flow direction, and system centering.

Valves
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7since 2023
-50.0%YoY
Smart Access Control Systems

Systems that manage and enforce entry or usage privileges using digital credentials, biometric identification, or remote control, often incorporating network connectivity and real-time status updates.

Time / Attendance / Access Control
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5since 2023
-33.3%YoY
Physiological Monitoring & Diagnostics

Systems and methods for non-invasive or minimally invasive collection and analysis of physiological data (e.g., blood pressure, electrolytes, genetic markers, B cell repertoire) to assess patient health status, screen for conditions, or aid in diagnosis.

Healthcare Informatics
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5since 2023
-66.7%YoY
Smart Lock Systems & Connectivity

Locks integrating electronic components for remote control, wireless communication, internet connectivity, and digital credential management, often including features for user identification and access monitoring.

Locks & Keys
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4since 2023
-66.7%YoY
Medical Dialysis Membranes

Hollow-fiber and flat-sheet membranes for blood purification, hemodialysis, hemofiltration, and related extracorporeal therapies.

Drug Delivery Devices
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3since 2023
+100.0%YoY
Interactive 3D Data Visualizationfiltered

Methods and systems for displaying complex data in three-dimensional graphical formats, allowing users to manipulate, explore, and derive insights from the data through interactive controls.

Input/Output & User Interfaces
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3since 2023
-50.0%YoY
Personalized Digital Therapeutics

Digital platforms and systems that deliver tailored therapeutic interventions, guidance, or recommendations to patients based on their individual health data, biometric feedback, and computational models (e.g., AI/ML, physiological simulations).

Healthcare Informatics
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2since 2023
0.0%YoY
AI for Medical Diagnostics

Utilizing machine learning, particularly deep learning, to analyze medical data such as images, sensor readings, or physiological signals for disease prediction, diagnosis, or treatment assessment.

Healthcare Informatics
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2since 2023
n/a
AR/VR User Interfaces

Techniques for rendering, interacting with, and managing content within augmented or virtual reality environments, including spatial tracking, gaze interaction, and dynamic multi-application display management.

Input/Output & User Interfaces
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1since 2023
new
Wearable & Mobile Interaction

Designing user interfaces and interaction methods specifically for mobile or wearable devices, enabling control of external systems, monitoring user states, or facilitating real-world transactions.

Input/Output & User Interfaces
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1since 2023
new
Vehicle Telematics & Diagnostics

Technologies for monitoring vehicle performance, detecting faults, collecting operational data, and providing remote assistance or automated control based on sensor inputs and network connectivity.

Time / Attendance / Access Control
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1since 2023
new
Respiratory Therapy Devices

Systems and devices for delivering gases, aerosols, or pressure support to the respiratory system, often including interfaces like masks and sophisticated control mechanisms for therapeutic effect or airway management.

Drug Delivery Devices
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1since 2023
n/a

Patents

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