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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 |
| 5654885 |
Valve position controller |
Aug. 5, 1997 |
| 5642278 |
Method and apparatus for temperature and pressure compensation of pneumatic manifolds |
Jun. 24, 1997 |
| 5635626 |
Measurement of a gas characteristic |
Jun. 3, 1997 |
| 5628896 |
Apparatus for operating a filter arrangement |
May. 13, 1997 |
| 5616824 |
Instrument for detecting potential future failures of valves in critical control systems |
Apr. 1, 1997 |
| 5608647 |
Method for releasing controlled amount of aerosol medication |
Mar. 4, 1997 |
| 5608650 |
Systems and methods for testing pump flow rates |
Mar. 4, 1997 |
| 5583790 |
Computerized liquid flow-valve monitoring and control unit |
Dec. 10, 1996 |
| 5582235 |
Temperature regulator for burn-in board components |
Dec. 10, 1996 |
| 5559720 |
Spa control system |
Sep. 24, 1996 |
| 5532922 |
Non-linear control system for a single input single output process |
Jul. 2, 1996 |
| 5521824 |
Method and apparatus for controlling an engine test apparatus using lead-lag control |
May. 28, 1996 |
| 5519638 |
Automatic system for monitoring and replenishing hazardous liquids in tanks |
May. 21, 1996 |
| 5519636 |
Electronic control device for a valve range of modular design |
May. 21, 1996 |
| 5503064 |
Apparatus and method for controlling a pasteurizing system |
Apr. 2, 1996 |
| 5504693 |
Flow control system |
Apr. 2, 1996 |
| 5497316 |
Process gas distribution system and method |
Mar. 5, 1996 |
| 5491631 |
Fault diagnostic system for vehicles using identification and program codes |
Feb. 13, 1996 |
| 5464504 |
Inferential correction of composition for a distillation analyzer |
Nov. 7, 1995 |
| 5455772 |
Method of and apparatus for testing an engine or a compressor |
Oct. 3, 1995 |
| 5455781 |
Apparatus and method for determining the measurement accuracy of electronic gas meters |
Oct. 3, 1995 |
| 5452234 |
Process environment monitoring system |
Sep. 19, 1995 |
| 5448893 |
Process for maximizing the recovery of argon from an air separation system at high argon recovery rates |
Sep. 12, 1995 |
| 5440477 |
Modular bottle-mounted gas management system |
Aug. 8, 1995 |
| 5431023 |
Process for the recovery of oxygen from a cryogenic air separation system |
Jul. 11, 1995 |
| 5421188 |
Proving means and method |
Jun. 6, 1995 |
| 5417649 |
Fluid transfusing device and method of control therefor |
May. 23, 1995 |
| 5392645 |
Method and apparatus for flow rate measurement |
Feb. 28, 1995 |
| 5385056 |
Pump station flowmeter |
Jan. 31, 1995 |
| 5384714 |
Pump controller program |
Jan. 24, 1995 |
| 5384709 |
Miniature fluorescent lamp processing apparatus |
Jan. 24, 1995 |
| 5384712 |
Energy monitoring system for a plurality of local stations with snapshot polling from a central station |
Jan. 24, 1995 |
| 5375454 |
Programmable pump controller |
Dec. 27, 1994 |
| 5373454 |
Problem diagnosis system in pressure device control apparatus |
Dec. 13, 1994 |
| 5351374 |
Method and an apparatus for the continuous crimping of thermoplastic threads |
Oct. 4, 1994 |
| 5349852 |
Pump controller using acoustic spectral analysis |
Sep. 27, 1994 |
| 5351199 |
Programmable water treatment controller for progressive flow systems |
Sep. 27, 1994 |
| 5347467 |
Load sharing method and apparatus for controlling a main gas parameter of a compressor station with multiple dynamic compressors |
Sep. 13, 1994 |
| 5343384 |
Method and apparatus for controlling a system of compressors to achieve load sharing |
Aug. 30, 1994 |
| 5341311 |
Method and apparatus for limiting the capacity of a hydrostatic machine |
Aug. 23, 1994 |
| 5335185 |
Automatic level control system and method |
Aug. 2, 1994 |
| 5333511 |
Portable controlled air sampler |
Aug. 2, 1994 |
| 5329462 |
Expansion valve control |
Jul. 12, 1994 |
| 5320760 |
Method of determining filter pluggage by measuring pressures |
Jun. 14, 1994 |
| 5315530 |
Real-time control of complex fluid systems using generic fluid transfer model |
May. 24, 1994 |
| 5307288 |
Unitary fluid flow production and control system |
Apr. 26, 1994 |
| 5295083 |
Device for dynamically measuring bubble content of flowing liquid |
Mar. 15, 1994 |
| 5279263 |
Cascaded steam temperature control applied to a universal pressure boiler |
Jan. 18, 1994 |
| 5272647 |
Valve diagnostic apparatus and method |
Dec. 21, 1993 |
| 5260865 |
Nonlinear model based distillation control |
Nov. 9, 1993 |
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