| |
 |
|
Class Information
Number: 700/282
Name: Data processing: generic control systems or specific applications > Specific application, apparatus or process > Mechanical control system > Flow control (e.g., valve or pump control)
Description: Subject matter comprising means for regulating (e.g., diversion, cutoff, modulation) the passage or the flow capacity of a fluid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6671583 |
Vacuum system information network |
Dec. 30, 2003 |
| 6671584 |
Mass flow rate-measuring method and mass flow rate control apparatus |
Dec. 30, 2003 |
| 6668214 |
Control system for throttle valve actuating device |
Dec. 23, 2003 |
| 6662821 |
System and method for closing an existing valve in response to a detected leak |
Dec. 16, 2003 |
| 6655408 |
Tunable ramp rate circuit for a mass flow controller |
Dec. 2, 2003 |
| 6647321 |
Method of controlling cooling system for a personal computer and personal computer |
Nov. 11, 2003 |
| 6644332 |
Method and apparatus for multiple-input-multiple-output control of a valve/actuator plant |
Nov. 11, 2003 |
| 6646404 |
Method for controlling robot and robot controller using the method |
Nov. 11, 2003 |
| 6640163 |
Operating system for a programmable controller of a hydraulic system |
Oct. 28, 2003 |
| 6636783 |
Control system for throttle valve actuating device |
Oct. 21, 2003 |
| 6636151 |
Water dispensing station with communication system |
Oct. 21, 2003 |
| 6636782 |
Method of driving and controlling a solenoid-operated valve |
Oct. 21, 2003 |
| 6629020 |
Control device for the position of a valve slide |
Sep. 30, 2003 |
| 6625519 |
Pump controller for submersible turbine pumps |
Sep. 23, 2003 |
| 6612331 |
Pressure controller and method |
Sep. 2, 2003 |
| 6598617 |
Cascaded variable bias feedforward and feedback flow and level control system |
Jul. 29, 2003 |
| 6591201 |
Fluid energy pulse test system |
Jul. 8, 2003 |
| 6571151 |
Wireless nozzle interface for a fuel dispenser |
May. 27, 2003 |
| 6567710 |
Program-controlled fluid supply system and controller therefor |
May. 20, 2003 |
| 6564824 |
Mass flow meter systems and methods |
May. 20, 2003 |
| 6564825 |
Mass flow meter systems and methods |
May. 20, 2003 |
| 6564172 |
Method and apparatus for onboard locomotive fuel usage indicator |
May. 13, 2003 |
| 6549827 |
Fire prevention automation commanding control system using satellite-location/geography-information |
Apr. 15, 2003 |
| 6542790 |
3D normalized proportional reverse interpolation error correction control |
Apr. 1, 2003 |
| 6539267 |
Device in a process system for determining statistical parameter |
Mar. 25, 2003 |
| 6539286 |
Fluid level sensor |
Mar. 25, 2003 |
| 6522947 |
Dispenser system for preventing unauthorized fueling |
Feb. 18, 2003 |
| 6519508 |
Valve positioner and current-to-pneumatic converter |
Feb. 11, 2003 |
| 6516249 |
Fluid control system with autonomously controlled pump |
Feb. 4, 2003 |
| 6510368 |
Performance-based control system |
Jan. 21, 2003 |
| 6466893 |
Statistical determination of estimates of process control loop parameters |
Oct. 15, 2002 |
| 6456902 |
Web-based system and method for enhancing fluid and gas recovery as well as remote on demand control of fluid flow in a well |
Sep. 24, 2002 |
| 6445980 |
System and method for a variable gain proportional-integral (PI) controller |
Sep. 3, 2002 |
| 6427718 |
Automated farm turnout |
Aug. 6, 2002 |
| 6422264 |
Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply appar |
Jul. 23, 2002 |
| 6422263 |
Nested and cascaded variable bias feedfoward and feedback flow and level control system |
Jul. 23, 2002 |
| 6382257 |
Fluid control system |
May. 7, 2002 |
| 6371157 |
Method, system and computer program product for self-draining plumbing for liquid-cooled devices |
Apr. 16, 2002 |
| 6370448 |
Communication technique for field devices in industrial processes |
Apr. 9, 2002 |
| 6356811 |
Control system for pneumatic actuators |
Mar. 12, 2002 |
| 6352591 |
Methods and apparatus for shallow trench isolation |
Mar. 5, 2002 |
| 6351691 |
I/O signaling circuit |
Feb. 26, 2002 |
| 6348099 |
Methods and apparatus for depositing premetal dielectric layer at sub-atmospheric and high temperature conditions |
Feb. 19, 2002 |
| 6317656 |
Rate monitor for a displacement system utilizing the power demand of the prime mover of the system to provide the flow rate data of the material being displaced |
Nov. 13, 2001 |
| 6315755 |
Method of controlling a liquefracture handpiece |
Nov. 13, 2001 |
| 6302129 |
Pulse sensing feedback control system |
Oct. 16, 2001 |
| 6289258 |
Drain flowrate measurement |
Sep. 11, 2001 |
| 6289266 |
Method of operating a boiler |
Sep. 11, 2001 |
| 6285922 |
Device for controlling a gas-air mixture for a gas flame treatment |
Sep. 4, 2001 |
| 6273129 |
Device for distributing a working gas and installation for supplying a working gas that is equipped with such a device |
Aug. 14, 2001 |
|
|
|
