Patent No. US7328842 (titled "Networked waste processing apparatus") on Feb 24, 2004. The application was issued on Feb 12, 2008.
’842 is related to the field of automated waste management and logistics. Specifically, it addresses the inefficiencies of traditional trash and recycling collection by utilizing networked disposal units that monitor their own status and coordinate pickups based on individualized user requirements and real-time data.
The underlying idea behind ’842 is the transformation of a passive trash receptacle into an active node within a logistics network. By combining fill-level sensing with a rules-based engine, the system shifts waste management from a fixed-schedule service to a dynamic, demand-driven model that optimizes collection timing and provider selection.
The claims of ’842 focus on a networked system that evaluates user-defined pickup rules against the current status of a disposal unit. The independent claims specifically protect the mechanism of iteratively checking these rules over predetermined periods and triggering a pickup request to a specific entity chosen through user preferences or competitive bidding processes.
In practice, the invention functions by monitoring a fullness sensor and comparing the data to a stored profile, such as a rule to trigger a pickup only when the bin is three-quarters full or at a specific time interval. A critical aspect of the implementation is the selection of the service provider, which can be determined by a bidding process where entities compete for the waste based on the value of the recyclables contained within the unit.
This approach differentiates itself from prior art by moving away from static municipal schedules and toward a market-based logistics system. By providing the waste pickup entity with visibility into the unit's contents, the system enables a remuneration model where users may receive credit or payments for their waste, effectively turning household refuse into a tradable commodity.
In the early 2000s when ’842 was filed, waste management and household inventory replenishment were typically implemented using manual observation and physical logistics planning. At a time when residential waste disposal was characterized by fixed, periodic collection schedules, systems commonly relied on human intervention to identify when containers reached capacity or when household consumables required replacement. Because wide-area networking for domestic appliances was in its infancy, hardware and software constraints made the real-time synchronization of physical disposal status with automated supply chain or municipal service responses non-trivial, often resulting in inefficient collection routes and reactive, rather than proactive, consumer purchasing.
The disclosed invention represents a technical advancement through the integration of networked sensing and rule-based logic to automate the waste lifecycle and replenishment process. By transitioning from static disposal to a dynamic, data-driven architecture, the system enables a waste disposal unit to function as a network node that triggers external logistics actions based on real-time status information. This architectural shift overcomes the technical constraint of information latency between the point of consumption and the service provider. The advancement is achieved through a multi-instruction processing framework that evaluates user-defined rules against sensor data to autonomously initiate waste pickup or item reordering, thereby optimizing municipal resource allocation and inventory management without requiring manual oversight.
This patent contains 60 claims, with claims 1, 12, 24, 36, and 48 being independent. The independent claims focus on systems and methods for managing waste pickup by utilizing network interfaces to monitor waste unit status, applying user-specified rules and preferences to determine when a pickup is required, and selecting a waste pickup entity based on user preferences, bids, or remuneration offers. The dependent claims serve to further define the system by specifying various rule criteria such as fill levels and time intervals, detailing the use of sensors and identification tags like barcodes or RFID, and incorporating additional functionalities such as bid processing, user overrides, and waste content reporting.
Definitions of key terms used in the patent claims.
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