System and method for reducing toxic waste in manufacturing...

Details System and method for reducing toxic waste in manufacturing... System and method for reducing toxic waste in manufacturing...

2011-03-15

2011-03-15

Shechtman, Sean P (Department: 2121)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S036000, C705S400000, C703S002000

Reexamination Certificate

active

07908022

ABSTRACT:
A system and method of optimizing a manufacturing process so as to reduce toxic waste in the process. In an embodiment, the method includes: describing the manufacturing process using a plurality of nodes, each node representing a component or a process; connecting the plurality of nodes with directed edges to form a directed graph, the directed graph representing possible manufacturing process flows from a begin node to an end node; assigning to each edge a value representative of a cost resulting from toxic waste generated by a component or process; and determining a shortest path from the begin node to the end node in the directed graph to identify manufacturing process flow having a minimum cost.

REFERENCES:
patent: 5561790 (1996-10-01), Fusaro
patent: 5893081 (1999-04-01), Poppen
patent: 6564154 (2003-05-01), Zimmerman et al.
patent: 6996065 (2006-02-01), Kodialam et al.
patent: 7715936 (2010-05-01), Thierauf
patent: 2009/0063211 (2009-03-01), Campo et al.

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