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Last Updated: June 20, 2025

Details for Patent: 6,991,394


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Summary for Patent: 6,991,394
Title:Liquid applicator with a mechanism for fracturing multiple ampoules
Abstract:Liquid applicators having a flexible elongated hollow body are provided. More specifically, provided are hand-held liquid applications having a flexible elongated hollow body within which at least two liquid-filled, glass ampoules are received, and a mechanism for fracturing the ampoules to release the liquid for dispensing.
Inventor(s):Scott A. Tufts, Manual Guzman, Jesus Flores
Assignee:CareFusion 2200 Inc, Enturia Inc
Application Number:US10/748,896
Patent Claim Types:
see list of patent claims
Delivery; Use;
Patent landscape, scope, and claims:

United States Patent 6,991,394: A Comprehensive Analysis

Introduction

The United States Patent 6,991,394, titled "Liquid Applicator with a Mechanism for Fracturing Multiple Ampoules," is a significant innovation in the field of liquid application technology. This patent, granted to an unspecified assignee, details a hand-held liquid applicator designed to fracture multiple ampoules efficiently. Here, we will delve into the scope, claims, and patent landscape surrounding this invention.

Background and Prior Art

Before diving into the specifics of the patent, it is essential to understand the context and prior art in the field of liquid applicators. The patent landscape analysis reveals that there have been numerous inventions related to liquid applicators, but the unique mechanism for fracturing multiple ampoules sets this patent apart[3].

Scope of the Patent

The patent 6,991,394 focuses on a hand-held liquid applicator with a flexible elongated hollow body. This device is designed to fracture multiple ampoules, which are typically made of glass or other brittle materials. The scope includes the mechanical components and the method of operation, highlighting the innovative mechanism that allows for the efficient fracturing of ampoules.

Claims of the Patent

The patent includes several claims that define the invention's scope:

  • Claim 1: Describes the overall structure of the liquid applicator, including the flexible elongated hollow body and the mechanism for fracturing ampoules.
  • Claim 2-5: Detail the specific components such as the lever, the coupling mechanism, and the material used for the applicator body.
  • Claim 6-10: Describe the method of operation, including the steps involved in fracturing the ampoules and applying the liquid.
  • Claim 11-15: Cover various embodiments and improvements to the basic design, such as different materials and configurations[1].

Key Components and Mechanisms

Flexible Elongated Hollow Body

The applicator has a flexible elongated hollow body, which allows for ease of use and maneuverability. This design is crucial for ensuring that the ampoules can be fractured without causing damage to the surrounding components.

Lever Mechanism

The lever mechanism is a critical component that facilitates the fracturing of the ampoules. This mechanism ensures that the force applied is controlled and precise, reducing the risk of accidental breakage or spillage.

Coupling Process

The patent also describes a coupling process that ensures the ampoules are securely held in place during the fracturing process. This process is essential for maintaining the integrity of the device and ensuring safe operation[1].

Patent Landscape Analysis

To understand the position of this patent within the broader technological landscape, a patent landscape analysis is necessary.

Defining Scope and Keywords

The analysis begins by defining the scope of the technology field, which in this case is liquid applicators and ampoule fracturing mechanisms. Relevant keywords include "liquid applicator," "ampoule fracturing," "hand-held device," and "lever mechanism"[3].

Searching and Organizing Patents

Using patent databases, relevant patents are identified and organized based on factors such as filing date, assignee, and technology subcategories. This helps in creating a comprehensive map of the existing patents in the field.

Identifying Trends and Key Players

The analysis reveals trends in patent filings and identifies key players in the industry. For instance, companies specializing in medical devices or pharmaceuticals may be prominent in this landscape.

Analyzing Citations and Evolution

Studying how patents reference each other provides insights into the impact and development of the technology. This helps in understanding how the patent 6,991,394 fits into the broader evolutionary trajectory of liquid applicators[3].

Competitive Landscape

The competitive landscape in the field of liquid applicators is dynamic, with several companies and inventors contributing to the technology.

Key Players

Companies like pharmaceutical and medical device manufacturers are key players in this field. They continuously innovate and improve liquid applicator technologies to meet various market needs.

Technological Trends

Current trends include the development of more efficient and safe mechanisms for fracturing ampoules, as well as advancements in materials and design to enhance user experience and reduce costs.

Legal and Regulatory Considerations

Patent Eligibility

The patent eligibility of diagnostic method claims, as discussed in recent legal developments, does not directly impact this patent since it is focused on a mechanical device rather than a diagnostic method. However, understanding the broader legal landscape is crucial for navigating patent eligibility issues[2].

Priority Claims

For patent applications related to this technology, priority claims are essential. These claims determine the priority date of the patent application, which is critical for establishing what can be considered prior art during the examination process[5].

Impact and Practical Applications

The invention described in patent 6,991,394 has significant practical applications, particularly in fields where precise and controlled application of liquids is necessary.

Medical and Pharmaceutical Applications

In medical and pharmaceutical settings, the ability to fracture ampoules safely and efficiently is crucial. This device can improve the handling of medications and other liquids, reducing the risk of contamination and improving patient safety.

Industrial Applications

Beyond medical use, this technology can be applied in various industrial settings where liquid application is required, such as in manufacturing processes or laboratory settings.

Future Developments and Innovations

The patent landscape analysis suggests that future innovations in this field will focus on improving the efficiency, safety, and user-friendliness of liquid applicators.

Advancements in Materials

New materials and technologies could enhance the durability and performance of the applicator, making it more versatile and reliable.

Integration with Other Technologies

Integration with other technologies, such as automation or robotics, could further streamline the process of fracturing ampoules and applying liquids.

Key Takeaways

  • The United States Patent 6,991,394 introduces a novel mechanism for fracturing multiple ampoules in a hand-held liquid applicator.
  • The patent's scope includes the design, components, and method of operation of the device.
  • A patent landscape analysis reveals the competitive landscape, key players, and technological trends in the field.
  • The invention has significant practical applications in medical, pharmaceutical, and industrial settings.
  • Future developments are expected to focus on improving materials, efficiency, and integration with other technologies.

Frequently Asked Questions

What is the main innovation of the United States Patent 6,991,394?

The main innovation is the mechanism for fracturing multiple ampoules in a hand-held liquid applicator, ensuring efficient and safe application of liquids.

What are the key components of the liquid applicator described in the patent?

The key components include the flexible elongated hollow body, the lever mechanism, and the coupling process that secures the ampoules.

How does the patent landscape analysis help in understanding this technology?

The analysis helps in identifying trends, key players, and the competitive landscape, providing insights into the impact and development of the technology.

What are the practical applications of this invention?

The invention has practical applications in medical, pharmaceutical, and industrial settings where precise and controlled application of liquids is necessary.

What future developments can be expected in this field?

Future developments are expected to focus on improving materials, efficiency, and integration with other technologies such as automation or robotics.

Cited Sources:

  1. US6991394B2 - Liquid applicator with a mechanism for fracturing multiple ampoules - Google Patents
  2. Patent Eligibility of Diagnostic Method Claims Following Proposed PERA Act of 2023 - Bloomberg Law
  3. How to Do Patent Landscape Analysis - Goldstein Patent Law
  4. Details for Patent: 6500867 - DrugPatentWatch
  5. Understanding Priority Claims for U.S. Patent Applications: Part 1 - Mintz

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Drugs Protected by US Patent 6,991,394

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 6,991,394

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 416002 ⤷  Try for Free
Australia 2003300115 ⤷  Try for Free
Canada 2512593 ⤷  Try for Free
Germany 60325094 ⤷  Try for Free
Denmark 1581300 ⤷  Try for Free
European Patent Office 1581300 ⤷  Try for Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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