Patent assignee · US · COMPANY

Schneider Automation Inc.

121Patents
6Active
121Granted
44Portfolio score

Filing activity: Feb 12, 1996 → Aug 20, 2008 · 6 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6061603A System for remotely accessing an industrial control system over a commercial communications network Physics 438 Expired
US6282454A Web interface to a programmable controller Physics 211 Expired
US6151625A Internet web interface including programmable logic controller for controlling output devices based on status of input devices Electricity 183 Expired
US7035898B1 System for programming a factory automation device using a web browser Electricity 157 Expired
US6732191B1 Web interface to an input/output device Electricity 156 Expired
US6801920B1 System for remote management of applications of an industrial control system Emerging Cross-Sectional Technologies 128 Expired
US6587884B1 Dual ethernet protocol stack for maximum speed access to a programmable logic controller (PLC) Electricity 97 Expired
US6484061B2 Web interface to a programmable controller Physics 92 Expired
US7058693B1 System for programming a programmable logic controller using a web browser Electricity 82 Expired
US6327511A Input/output (I/O) scanner for a control system with peer determination Emerging Cross-Sectional Technologies 82 Expired
US6016523A I/O modular terminal having a plurality of data registers and an identification register and providing for interfacing between field devices and a field master Physics 80 Expired
US6853867B1 Interface to a programmable logic controller Physics 78 Expired
US6760782B1 Apparatus for controlling internetwork communications Electricity 77 Expired
US6643555B1 Method and apparatus for generating an application for an automation control system Emerging Cross-Sectional Technologies 69 Expired
US6321272A Apparatus for controlling internetwork communications Emerging Cross-Sectional Technologies 68 Expired
US6640140B1 PLC executive with integrated web server Physics 67 Expired
US6107769A Positional-based motion controller with a bias latch Physics 64 Expired
US7146408B1 Method and system for monitoring a controller and displaying data from the controller in a format provided by the controller Emerging Cross-Sectional Technologies 61 Expired
US7159007B2 Communication system for automation equipment based on the WSDL language Electricity 60 Expired
US6963922B2 Dual protocol stack for maximum speed access to a programmable logic controller (PLC) in a factor automation system Electricity 60 Expired
US6233626A System for a modular terminal input/output interface for communicating messaging application layer over encoded ethernet to transport layer Emerging Cross-Sectional Technologies 58 Expired
US6151640A Control I/O module having the ability to interchange bus protocols for bus networks independent of the control I/O module Performing Operations; Transporting 56 Expired
US6968242B1 Method and apparatus for an active standby control system on a network Physics 53 Expired
US5991774A Method for identifying the validity of an executable file description by appending the checksum and the version ID of the file to an end thereof Emerging Cross-Sectional Technologies 45 Expired
US7162510B2 Communication system for a control system over Ethernet and IP networks Electricity 44 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.