Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
US Patent 6810308 - Apparatus and method for mass flow controller with network access to diagnostics
US Patent Issued on October 26, 2004
Estimated Patent Expiration Date:
June 24, 2022Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
June 24, 2022Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA mass flow controller includes a network interface port and interface software that provide direct access to the mass flow controller. The mass flow controller also includes diagnostic software that permits a technician to execute diagnostics through the network interface port.Other References
| InventorsAssigneeApplicationNo. 10178884 filed on 06/24/2002US Classes:700/282, Flow control (e.g., valve or pump control)700/275, Mechanical control system700/281, Control of fluid level or volume137/599.05Having digital flow controllerField of Search700/1, GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS700/281, Control of fluid level or volume700/275, Mechanical control system700/282, Flow control (e.g., valve or pump control)700/301, Specific application of pressure responsive control system137/599.04, Having digital flow controller137/599.05, Having digital flow controller137/486, Responsive to change in rate of fluid flow137/487.5, Electrically actuated valve702/45Flow meteringExaminersPrimary: Gandhi, Jayprakash N.Attorney, Agent or FirmUS Patent References5062446, Intelligent mass flow controllerIssued on: 11/05/1991 Inventor: Anderson5263369, Flow sensor system and method Issued on: 11/23/1993 Inventor: Cutler5660207, Flow controller, parts of flow controller, and related method Issued on: 08/26/1997 Inventor: Mudd5765283, Method of making a flow controller Issued on: 06/16/1998 Inventor: Mudd5805442, Distributed interface architecture for programmable industrial control systems Issued on: 09/08/1998 Inventor: Crater, et al.5850850, Flow controller, parts of flow controller, and related method Issued on: 12/22/1998 Inventor: Mudd5911238, Thermal mass flowmeter and mass flow controller, flowmetering system and method Issued on: 06/15/1999 Inventor: Bump, et al.5944048, Method and apparatus for detecting and controlling mass flow Issued on: 08/31/1999 Inventor: Bump, et al.6061603, System for remotely accessing an industrial control system over a commercial communications network Issued on: 05/09/2000 Inventor: Papadopoulos, et al.6119047, Transmitter with software for determining when to initiate diagnostics Issued on: 09/12/2000 Inventor: Eryurek, et al.6151625, Internet web interface including programmable logic controller for controlling output devices based on status of input devices Issued on: 11/21/2000 Inventor: Swales, et al.6192281, Network accessible interface for a process control network Issued on: 02/20/2001 Inventor: Brown, et al.6216726, Wide range gas flow system with real time flow measurement and correction Issued on: 04/17/2001 Inventor: Brown, et al.6321272, Apparatus for controlling internetwork communications Issued on: 11/20/2001 Inventor: Swales6332348, Gas flow calibration of mass flow controllers Issued on: 12/25/2001 Inventor: Yelverton, et al.6333272, Gas distribution apparatus for semiconductor processing Issued on: 12/25/2001 Inventor: McMillin, et al.6343617, System and method of operation of a digital mass flow controller Issued on: 02/05/2002 Inventor: Tinsley, et al.6370448, Communication technique for field devices in industrial processes Issued on: 04/09/2002 Inventor: Eryurek6450190, Method of detecting abnormalities in flow rate in pressure-type flow controller Issued on: 09/17/2002 Inventor: Ohmi, et al.6539968, Fluid flow controller and method of operation Issued on: 04/01/2003 Inventor: White, et al.6619258, System for controllably disabling cylinders in an internal combustion engine Issued on: 09/16/2003 Inventor: McKay , et al.6640140PLC executive with integrated web server Issued on: 10/28/2003 Inventor: Lindner , et al. Foreign Patent References
International ClassesF17D 300G05D 700 |
