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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 |
| 4573114 |
Valve control unit and system for use therewith |
Feb. 25, 1986 |
| 4568417 |
Control system for prilling towers |
Feb. 4, 1986 |
| 4569012 |
Method and system for controlling fluid transportation in a pipe network |
Feb. 4, 1986 |
| 4567559 |
Apparatus for regulating a parameter by admitting an additive into a medium |
Jan. 28, 1986 |
| 4565220 |
Liquid metering and fluidic transducer for electronic computers |
Jan. 21, 1986 |
| 4560442 |
Fractional distillation process control |
Dec. 24, 1985 |
| 4559610 |
Gas pumping system analog |
Dec. 17, 1985 |
| 4558423 |
Utilization of an ASTM end point temperature for controlling a fractional distillation process |
Dec. 10, 1985 |
| 4557806 |
Fractional distillation process control |
Dec. 10, 1985 |
| 4555309 |
Control of a fractional distillation process |
Nov. 26, 1985 |
| 4551796 |
Liquid level control system for vapor generator |
Nov. 5, 1985 |
| 4544452 |
Control of a fractional distillation process |
Oct. 1, 1985 |
| 4545009 |
Fuel combustion control system |
Oct. 1, 1985 |
| 4534005 |
Chain saw |
Aug. 6, 1985 |
| 4526657 |
Control of a fractional distillation process |
Jul. 2, 1985 |
| 4506334 |
Fractional distillation column control |
Mar. 19, 1985 |
| 4504286 |
Automatic drying tower switching system |
Mar. 12, 1985 |
| 4498916 |
Control of a fractional distillation process |
Feb. 12, 1985 |
| 4495560 |
Fluctuating drive system |
Jan. 22, 1985 |
| 4490249 |
Microcomputer controlled demand/scheduled water softener |
Dec. 25, 1984 |
| 4485070 |
Control apparatus for an ammonia manufacturing process |
Nov. 27, 1984 |
| 4478783 |
Nuclear power plant feedwater controller design |
Oct. 23, 1984 |
| 4473443 |
Control of a fractional distillation process |
Sep. 25, 1984 |
| 4473442 |
Acid regenerator control |
Sep. 25, 1984 |
| 4470911 |
Microcomputer controlled demand/scheduled water softener with variable capacity |
Sep. 11, 1984 |
| 4469602 |
Microcomputer controlled demand/scheduled water softener having automatic resin bed sensing |
Sep. 4, 1984 |
| 4459098 |
Method and apparatus for controlling secondary air distribution to a multiple fuel combustor |
Jul. 10, 1984 |
| 4451893 |
Control method and control system for hydrostatic drive system |
May. 29, 1984 |
| 4450574 |
Control circuit for liquid chromatograph |
May. 22, 1984 |
| 4446523 |
Mass air flow meter |
May. 1, 1984 |
| 4440239 |
Method and apparatus for controlling the flow of drilling fluid in a wellbore |
Apr. 3, 1984 |
| 4438499 |
Fractional distillation process control |
Mar. 20, 1984 |
| 4426294 |
Microcomputer controlled demand/scheduled water softener |
Jan. 17, 1984 |
| 4420008 |
Method for transporting viscous crude oils |
Dec. 13, 1983 |
| 4418391 |
Method of inspecting operation of driving system including a main machine and a plurality of auxiliary machines, and driving system incorporating inspection apparatus for carrying out the insp |
Nov. 29, 1983 |
| 4417312 |
Electronic controller for valve actuators |
Nov. 22, 1983 |
| 4400239 |
Constraint control of a fractional distillation process |
Aug. 23, 1983 |
| 4392417 |
Variable dead band pressure control system |
Jul. 12, 1983 |
| 4392849 |
Infusion pump controller |
Jul. 12, 1983 |
| 4385357 |
Water treatment system and control therefor |
May. 24, 1983 |
| 4380317 |
Furnace control |
Apr. 19, 1983 |
| 4371944 |
Ethylene process control |
Feb. 1, 1983 |
| 4367654 |
Device for measuring the flow velocity of fluids |
Jan. 11, 1983 |
| 4364413 |
Molar gas-flow controller |
Dec. 21, 1982 |
| 4363441 |
Thermal energy usage meter for multiple unit building |
Dec. 14, 1982 |
| 4364111 |
Electronically controlled valve actuator |
Dec. 14, 1982 |
| 4358821 |
Method and apparatus for the incorporation of varying flow in the control of process quantities |
Nov. 9, 1982 |
| 4354957 |
Regenerator temperature control |
Oct. 19, 1982 |
| 4349885 |
Set pressure measuring system |
Sep. 14, 1982 |
| 4348259 |
Control of sidedraw on distillation column |
Sep. 7, 1982 |
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