Enhanced Drip Filter Coffee Maker with Advanced Features

Publication ID: 24-11857102_0001_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Drip Filter Coffee Maker with Advanced Features,” Published Technical Disclosure No. 24-11857102_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857102_0001_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. 11,857,102.

Summary of the Inventive Concept

An advanced drip filter coffee maker incorporating innovative improvements, such as an improved hinge assembly, self-cleaning showerhead, automatic scale detection, personalized brewing parameters, and an integrated coffee bean grinder, enhancing user experience, efficiency, and coffee quality.

Background and Problem Solved

The original drip filter coffee maker patent had limitations in terms of filter basket removal, showerhead cleaning, and lack of automation. The new inventive concept addresses these limitations by introducing novel features that make the coffee-making process easier, faster, and more efficient.

Detailed Description of the Inventive Concept

The enhanced drip filter coffee maker comprises a removable filter basket with an improved hinge assembly, allowing for effortless opening and closing of the lid. A mechanical push button actuator deactivates the lock or latch, facilitating filter basket removal. Additionally, a self-cleaning showerhead with adjustable water flow enables efficient cleaning and improved coffee flavor. An integrated sensor in the water reservoir detects scale buildup, alerting users through a notification module connected to the user interface, preventing damage to the appliance. A machine learning algorithm optimizes coffee brewing parameters based on user preferences, adjusting brewing time, water temperature, and coffee-to-water ratio for a personalized coffee experience. Furthermore, a compact coffee bean grinder is located within the removable filter basket, allowing for freshly ground coffee beans with each brew cycle.

Novelty and Inventive Step

The new inventive concept introduces novel features, such as the improved hinge assembly, self-cleaning showerhead, automatic scale detection, personalized brewing parameters, and integrated coffee bean grinder, which are not obvious from the original patent. These features provide a significant improvement over the prior art, making the coffee-making process more efficient, convenient, and enjoyable.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include varying the design of the hinge assembly, incorporating different types of sensors for scale detection, or using alternative machine learning algorithms for personalized brewing parameters. Additionally, the integrated coffee bean grinder could be replaced with a separate grinder unit or a manual grinding mechanism.

Potential Commercial Applications and Market

The enhanced drip filter coffee maker has significant commercial potential in the coffee machine market, targeting consumers seeking advanced features, convenience, and high-quality coffee. The inventive concept could be integrated into various product lines, including premium, mid-range, and budget-friendly coffee makers, catering to a wide range of customers and market segments.

CPC Classifications

SectionClassGroup
A A47 A47J31/02
A A47 A47J31/0573
A A47 A47J31/061
A A47 A47J31/0605
A A47 A47J31/106
A A47 A47J31/36
A A47 A47J31/44
A A47 A47J31/4403
A A47 A47J31/4407
A A47 A47J31/4457
A A47 A47J31/4482
A A47 A47J31/52
A A47 A47J31/521
A A47 A47J31/525
A A47 A47J31/4492

Field of Art

Electromechanical kitchen appliances, specifically coffee brewing devices, involving mechanical design, fluid handling systems, user interface technologies, and advanced control mechanisms

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or electromechanical designer with expertise in kitchen appliance design, familiar with brewing technologies, sensor integration, and user experience optimization, typically holding a bachelor's degree with 3-5 years of industry experience

Obviousness Rationale

A PHOSITA would recognize that the published technical disclosure represents predictable variations and incremental improvements to the source patent's coffee maker design. The proposed modifications leverage known techniques in sensor integration, mechanical design, and user interface technologies that are readily combinable within the coffee maker domain. The variations represent logical extensions of existing coffee maker functionality that would be apparent to a skilled practitioner seeking to enhance user experience and appliance performance.

Obvious Combinations & Variations

Source Patent Element
Removable filter basket supported below a lid
PTD Variation
Improved hinge assembly with mechanical push button actuator for easier filter basket removal
Obviousness Reasoning
A PHOSITA would find it obvious to enhance filter basket accessibility using standard mechanical release mechanisms, as user convenience is a predictable design optimization in kitchen appliances
Source Patent Element
Water dispensing showerhead fixed to the main body
PTD Variation
Self-cleaning showerhead with adjustable water flow
Obviousness Reasoning
Implementing self-cleaning features for brewing components is a known technique to address maintenance challenges, representing a predictable solution to cleaning difficulties inherent in coffee maker designs
Source Patent Element
Water reservoir attached to the upright body
PTD Variation
Integrated sensor for scale buildup detection with notification system
Obviousness Reasoning
Incorporating diagnostic sensors into fluid-handling appliances is a standard engineering approach for preventative maintenance, representing a finite and predictable solution to equipment longevity challenges
Source Patent Element
Basic drip coffee brewing mechanism
PTD Variation
Machine learning algorithm for personalizing brewing parameters
Obviousness Reasoning
Applying adaptive control algorithms to optimize user experience is a known technique in modern appliance design, representing an obvious extension of existing brewing control technologies
Source Patent Element
Coffee maker with removable filter basket
PTD Variation
Integrated compact coffee bean grinder within filter basket assembly
Obviousness Reasoning
Combining grinding and brewing functions in a single appliance represents a logical design optimization using known mechanical integration techniques
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857102 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations obvious, as they represent predictable combinations of known techniques in coffee maker design. The proposed modifications constitute routine engineering solutions that would be apparent to a skilled practitioner seeking to enhance coffee maker functionality and user experience.

Original Patent Information

Patent NumberUS 11,857,102
TitleAdvanced drip filter coffee maker
Assignee(s)BREVILLE PTY LIMITED