Embodiments of a solar powered portable power station configured to be powered by a solar element and/or alternate energy source and method thereof are provided. The solar powered portable power station includes a portable cart structure with an upper support structure configured to support and position components being powered by the portable power station. The upper support structure of the portable cart structure configured to support and position an electric device, such as a portable cooking station or other appliance or a power tool, each of which may be powered by the portable power station.

An induction heating device is disclosed. The induction heating device includes a working coil for creating a magnetic field for induction of eddy currents in cooking equipment so as to heat the cooking equipment, a power supply unit for providing induction voltage to operate the working coil, and a case for accommodating the power supply unit and the working coil. The case includes a first case and a second case, and the first case and the second case define therebetween an insertion space into which a plate is fitted.

Present embodiments relate to a courier delivery box for transporting food, configured to be removably attached to a motorized and/or human-powered vehicle or bicycle, the courier delivery box comprising a housing, an interior for storing the food, and a door for providing access to the interior of the courier delivery box, wherein the courier delivery box further comprises one or more removably inserted shelfs, at least two shelf positioning structures for providing optional positions for the shelfs in the interior of the courier delivery box, such that the interior of the courier delivery box can be variably subdivided into two or more compartments by selectively inserting each of the one or more shelfs into the shelf positioning structures, heating means for heating at least one of the compartments, and one or more functional units arranged at a side of the courier delivery box, wherein the one or more functional units comprise an electronics unit 6 including power supply means.

Present embodiments relate to a courier delivery box for transporting food, configured to be removably attached to a motorized and/or human-powered vehicle or bicycle, the courier delivery box comprising a housing, an interior for storing the food, and a door for providing access to the interior of the courier delivery box, wherein the courier delivery box further comprises one or more removably inserted shelfs, at least two shelf positioning structures for providing optional positions for the shelfs in the interior of the courier delivery box, such that the interior of the courier delivery box can be variably subdivided into two or more compartments by selectively inserting each of the one or more shelfs into the shelf positioning structures, heating means for heating at least one of the compartments, and one or more functional units arranged at a side of the courier delivery box, wherein the one or more functional units comprise an electronics unit 6 including power supply means.

The present invention is directed to a multi-heat source fire pit apparatus. The fire pit apparatus is configured to provide ambient heating with both convection heat transfer and radiation heat transfer. The multi-heat source fire pit apparatus comprises an infrared emitter for generating infrared radiation. The multi-heat source fire pit comprises a shielding member between a heat source for the convection heat transfer and another heat source for radiation heat transfer.

An industrial high temperature reformer and the reforming method in which a temperature of the reforming furnace is maintained at 1000 C. or higher by burning the coke, and a temperature of at least an upper half of the reforming furnace is maintained at 1200 C. or higher by burning the syngas, thereby producing syngas at a capacity of 500 m.sup.3/hour or more by reforming all carbonaceous feedstock which is supplied to the reforming furnace.

An industrial high temperature reformer and the reforming method in which a temperature of the reforming furnace is maintained at 1000 C. or higher by burning the coke, and a temperature of at least an upper half of the reforming furnace is maintained at 1200 C. or higher by burning the syngas, thereby producing syngas at a capacity of 500 m.sup.3/hour or more by reforming all carbonaceous feedstock which is supplied to the reforming furnace.

An unmanned vehicle for cooking and delivering food may include a housing. The housing may include an oven having at least one heating element, a conveyor inside the oven. The conveyor may be configured to support food. A tambour door may be coupled between the oven and a delivery area of the housing. A delivery door may be configured to seal the delivery area from an area outside of the housing. The oven may be configured to cook food during a delivery time of the drone and the drone may be configured to deliver the food to a delivery location. The process from ordering to delivery of the food item may be tracked using blockchains.

In one embodiment, a portable combination cooking apparatus that has a collapsible unit with at least four walls, a top, and a bottom that are all mechanically coupled together. The top includes a groove for draining undesirable elements such as grease from a cooking surface. Other embodiments are also disclosed.

A portable base and grill assembly with few parts, that is collapsible, robust, and easily portable and storable is provided. The base includes two parts: a collapsible frame for containing combustion and an insert for holding combustible material including wood and charcoal. The portable grill includes two parts: a collapsible stand and a cooking surface. The cooking surface is a rollable grill that can support cookware or be used to cook food directly. The height of the stand may be adjusted to raise or lower the cooking surface above a heat source. The portable base, portable grill and cooking surface may each be used as a standalone apparatus or combined and used together as in the assembly. The base and grill assembly may be constructed wholly of stainless steel for durability.