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.ca/patents/US20090259751?utm_source=gb-gplus-sharePatent US20090259751 - METHODS AND APPARATUS FOR MONITORING AND/OR CONTROL OF PROCESS CONTROL APPARATUS
