A system for process control comprises a server digital data processor and a client digital data processor that are coupled by a network, such as the Internet or an Intranet. The server digital data processor, which is additionally coupled to a control/sensing device and any associated interface equipment...http://www.google.com.au/patents/US6799195?utm_source=gb-gplus-sharePatent US6799195 - Method and apparatus for remote process control using applets
