Specialized Cooking Devices for Extreme Environments

Publication ID: 24-11857111_0004_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Cooking Devices for Extreme Environments,” Published Technical Disclosure No. 24-11857111_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857111_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. 11,857,111.

Summary of the Inventive Concept

This inventive concept adapts the original cooking device to operate in specific, niche environments, including high-altitude, extreme weather, high-security, disaster relief, and extreme cold weather conditions.

Background and Problem Solved

The original patent for a cooking device and method of cooking food item based on predicting food core temperature has limitations in terms of its applicability to unique operational environments. This new inventive concept addresses these limitations by providing specialized cooking devices tailored to specific extreme environments.

Detailed Description of the Inventive Concept

The new claims describe five specialized cooking devices, each designed for a specific extreme environment. The high-altitude cooking device features a heating chamber adapted for operation at elevations above 8,000 feet and a temperature sensor calibrated to account for atmospheric pressure changes. The extreme weather cooking device has a sealed heating chamber to prevent moisture and air infiltration, with a temperature sensor protected from environmental factors. The high-security cooking device features secure access control and encrypted temperature sensor data. The disaster relief cooking device is portable, powered by a renewable energy source, and designed for use in remote or emergency situations. The extreme cold weather cooking device has an insulated heating chamber to maintain a minimum temperature of -20°C, with a temperature sensor designed to operate accurately at extremely low temperatures.

Novelty and Inventive Step

The new claims introduce novel and non-obvious adaptations to the original cooking device, including specialized heating chambers, sensors, and control systems tailored to specific extreme environments. These adaptations provide a unique solution to the problem of cooking in these environments, distinguishing the new inventive concept from the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include cooking devices designed for other niche environments, such as underwater or space-based cooking. Variations could include different types of heating elements, sensors, or control systems, or the integration of additional features, such as automated food preparation or advanced user interfaces.

Potential Commercial Applications and Market

The specialized cooking devices have significant commercial potential in various industries, including aerospace, defense, disaster relief, and outdoor recreation. They could also be marketed to individuals or organizations operating in extreme environments, providing a unique solution to their cooking needs.

CPC Classifications

SectionClassGroup
A A47 A47J37/1266
A A47 A47J36/32
F F24 F24C7/085
G G05 G05D23/1917
G G05 G05D23/1928

Field of Art

Culinary technology and intelligent cooking systems, focusing on temperature-controlled food preparation devices with integrated sensor technologies for monitoring and controlling cooking processes

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with expertise in thermal engineering, sensor design, embedded control systems, and food preparation technologies, typically holding a bachelor's or master's degree in mechanical engineering, electrical engineering, or food science

Obviousness Rationale

A person having ordinary skill in the art would recognize that the specialized cooking devices represent predictable variations of the source patent's core technological framework, applying known engineering adaptation techniques to extend the cooking device's functionality across different environmental contexts by modifying sensor calibration, chamber design, and control systems.

Obvious Combinations & Variations

Source Patent Element
Temperature sensor configured to monitor cooking medium temperature over time
PTD Variation
Temperature sensor calibrated for high-altitude atmospheric pressure changes or designed to operate at extremely low temperatures
Obviousness Reasoning
Sensor calibration for specific environmental conditions is a routine engineering design choice involving predictable modifications to sensor sensitivity and compensation algorithms
Source Patent Element
Heating chamber with heating element for cooking medium
PTD Variation
Sealed heating chamber preventing moisture and air infiltration or insulated chamber maintaining minimum temperature
Obviousness Reasoning
Modifying chamber design to withstand specific environmental conditions represents a standard engineering approach to extending device functionality through predictable structural adaptations
Source Patent Element
Controller performing cooking process based on sensor information
PTD Variation
Secure access control with encrypted temperature sensor data or renewable energy power source
Obviousness Reasoning
Implementing additional security and power management features represents a known technique for adapting control systems to specialized use cases using standard cybersecurity and power engineering principles
Source Patent Element
Mass sensor and temperature sensor for monitoring food item characteristics
PTD Variation
Specialized sensors for extreme environments like disaster relief or high-security contexts
Obviousness Reasoning
Adapting sensor technologies to specific use cases by modifying sensing parameters and integration is a predictable engineering solution within the domain of intelligent cooking systems
Source Patent Element
Cooking device with multiple sensor inputs for process control
PTD Variation
Cooking devices tailored for specific environmental contexts like high-altitude, extreme cold, or disaster relief
Obviousness Reasoning
Developing context-specific cooking devices by reconfiguring standard technological components represents a routine design optimization approach within culinary technology engineering
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857111, a person having ordinary skill in the art would find the claimed variations in the published technical disclosure obvious, as they represent predictable adaptations of known cooking device technologies through routine engineering modifications to sensor calibration, chamber design, and control systems, thereby rendering subsequent claims involving similar specialized cooking device configurations unpatentable under 35 U.S.C. § 103.

Original Patent Information

Patent NumberUS 11,857,111
TitleCooking device and method of cooking food item based on predicting food core temperature
Assignee(s)Koninklijke Philips N.V.