Specialized Drip Filter Coffee Makers for Unique Environments

Publication ID: 24-11857102_0004_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Drip Filter Coffee Makers for Unique Environments,” Published Technical Disclosure No. 24-11857102_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857102_0004_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

The inventive concept adapts the advanced drip filter coffee maker for specific, narrow markets or unique operational environments, such as high-security needs, disaster relief, extreme weather conditions, high-altitude environments, and marine environments.

Background and Problem Solved

The original patent's advanced drip filter coffee maker has limitations in terms of security, portability, and adaptability to diverse environmental conditions. The new inventive concept addresses these limitations by incorporating specialized features and designs to cater to specific markets and environments.

Detailed Description of the Inventive Concept

The new inventive concept comprises five specialized drip filter coffee makers, each tailored to a specific environment or market. The high-security coffee maker features a tamper-evident water reservoir, secure pump and heater system, and a water dispenser with anti-contamination features. The disaster relief coffee maker is portable, uses a water purification system, and operates on a portable power source. The extreme weather coffee maker has a weather-resistant main body, insulated water reservoir, and a pump and heater system with freeze protection. The high-altitude coffee maker incorporates a pressure-regulation system, altitude-compensation features, and a reinforced structure for high-pressure operation. The marine environment coffee maker features a corrosion-resistant main body, desalination system, saltwater-resistant components, and a splash-resistant design.

Novelty and Inventive Step

The new inventive concept's novelty lies in its adaptation of the advanced drip filter coffee maker to specific, narrow markets or unique operational environments, incorporating specialized features and designs that are non-obvious and unexpected in the art.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include coffee makers for other specialized environments, such as space exploration, medical facilities, or outdoor recreational activities. Variations could also include different materials, sizes, or shapes to accommodate diverse user needs and preferences.

Potential Commercial Applications and Market

The specialized drip filter coffee makers have significant commercial potential in various industries, including government, disaster relief, outdoor recreation, and marine services. The market for these coffee makers is expected to be substantial, driven by the growing demand for customized and adaptable products that cater to specific needs and environments.

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

Coffee making appliances and electromechanical beverage preparation systems, with expertise in thermal fluid handling, mechanical design of brewing apparatus, and environmental adaptation of consumer electronic devices

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or industrial designer with 3-5 years experience in kitchen appliance design, familiar with thermal systems, fluid dynamics, and modular product engineering, capable of adapting standard designs to specialized environments

Obviousness Rationale

A PHOSITA would recognize that the fundamental coffee maker architecture from US 11857102 can be systematically modified to address specific environmental challenges by applying standard engineering adaptation techniques. The core brewing mechanism remains consistent across variations, with incremental modifications to materials, components, and system design. These specialized variants represent predictable extensions of the base coffee maker design using known engineering problem-solving approaches.

Obvious Combinations & Variations

Source Patent Element
Removable water reservoir attached to upright body
PTD Variation
Tamper-evident water reservoir with secure attachment for high-security environments
Obviousness Reasoning
Adding security features to a standard removable component represents a predictable design modification using known anti-tampering techniques
Source Patent Element
Pump and heater system located in upright body
PTD Variation
Pump and heater system with altitude-compensation and pressure-regulation features
Obviousness Reasoning
Modifying thermal and fluid systems to accommodate environmental variations is a standard engineering approach with well-understood compensation techniques
Source Patent Element
Water dispensing showerhead configuration
PTD Variation
Water dispenser with wind-resistant design and splash-resistant configuration for extreme/marine environments
Obviousness Reasoning
Adapting fluid distribution mechanisms to specific environmental conditions represents a routine engineering design optimization
Source Patent Element
Basic drip filter coffee maker structure with removable filter basket
PTD Variation
Portable coffee maker with integrated water purification system for disaster relief scenarios
Obviousness Reasoning
Incorporating additional filtration and power systems into a standard coffee maker architecture is an obvious extension using known modular design principles
Source Patent Element
Main body with standard thermal and fluid handling components
PTD Variation
Corrosion-resistant main body with desalination capabilities for marine environments
Obviousness Reasoning
Selecting alternative materials and adding environmental protection features represents a predictable design choice for adapting standard appliances
35 U.S.C. § 103 Summary: Based on the teachings of US 11857102, a Person Having Ordinary Skill In The Art would find the specialized coffee maker variations disclosed herein to be obvious modifications of the base coffee maker design. The incremental adaptations to environmental challenges represent predictable engineering solutions that would be readily conceived by a skilled practitioner without requiring inventive insight, thus rendering potential claims to such variations unpatentable under 35 U.S.C. ยง 103.

Original Patent Information

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