ClassID:

160547

F25J2280/50 - CPC Classification

Classification description:

Control of the process or apparatus Advanced process control, e.g. adaptive or multivariable control

Recent Application in this class:
#1
20260049764
2026-02-19

Recovering Natural Gas Liquids

#2
20260043606
2026-02-12

DYNAMIC CONTROL OF REFLUX RATE IN HYDROCARBON DISTILLATION

#3
20250389480
2025-12-25

NATURAL GAS LIQUIDS RECOVERY PLANT MANAGEMENT SYSTEMS AND METHODS

#4
20250305763
2025-10-02

PLANT AND METHOD FOR PRODUCING LIQUEFIED HYDROGEN

#5
20250277618
2025-09-04

PROCESSES AND SYSTEMS FOR MONITORING AND CONTROLLING REFRIGERATION ENERGY COMSUMPTION

#6
20250146746
2025-05-08

CRYOGENIC AIR RECTIFICATION SYSTEM, CONTROL UNIT, AIR SEPARATION UNIT AND METHOD OF CRYOGENICALLY SEPARATING AIR

#7
20250075974
2025-03-06

SYSTEM AND METHOD FOR USE OF A TRAIN FEED GAS LOADING AUTOMATION OPTIMIZER

#8
20250067506
2025-02-27

TURBO-EXPANDER INTELLIGENT PERFORMANCE MONITORING SYSTEM

#9
20250060158
2025-02-20

NITROGEN GENERATING DEVICE AND NITROGEN GENERATING METHOD

#10
20240377130
2024-11-14

LIQUEFIED GAS SUPPLY SYSTEM AND AIR SEPARATION UNIT COMPRISING SAME

#11
20240353174
2024-10-24

DUAL TEMPERATURE LIQUID OXYGEN SUBCOOLING IN AN AIR SEPARATION UNIT

#12
20240219115
2024-07-04

DYNAMIC RATE LIMITER FOR LOAD SHARING APPLICATION

#13
20240019204
2024-01-18

OPERATING COMPRESSORS IN AN INDUSTRIAL FACILITY

#14
20230338889
2023-10-26

FACILITY AND METHOD FOR PRODUCING BIOMETHANE WITH LIMITED METHANE LOSS AND LIMITED CO2 EMISSIONS

#15
20230022033
2023-01-26

Process to separate nitrogen from methane by permeation and cryogenic distillation

#16
20220390170
2022-12-08

Optimized natural gas production control system with actual flow and set point tracking features

#17
20220364788
2022-11-17

Dynamic heating media conditioning for heat transfer optimization and fouling control

#18
20220333857
2022-10-20

Method and system for determining operating conditions of liquefied natural gas plant

#19
20220290920
2022-09-15

Method to detect tube leakage in shell and tube thermosiphon reboilers

#20
20220205713
2022-06-30

Method and system for controlling refrigerant composition in case of gas tube leaks in a heat exchanger

#21
20220065527
2022-03-03

METHODS AND COMPOSITIONS FOR DELIVERY OF CARBON DIOXIDE

#22
20210207885
2021-07-08

AIR SEPARATION SYSTEM

#23
20200041203
2020-02-06

Balancing power in split mixed refrigerant liquefaction system

#24
20190195555
2019-06-27

System and method for operating a liquefaction train

#25
20190193018
2019-06-27

Separation process and apparatus for light noble gas

#26
20180356151
2018-12-13

Methods and systems for enhancing production of liquefied natural gas

#27
20180340731
2018-11-29

Method for Recycling Streams in a Separations Process

#28
20180320958
2018-11-08

Method of control of the natural gas liquefaction process

#29
20180280883
2018-10-04

Natural-gas purification apparatus

#30
20180045460
2018-02-15

SYSTEMS AND METHODS FOR CAPTURING NATURAL GAS LIQUIDS FROM OIL TANK VAPORS

#31
20180003437
2018-01-04

Method for operating an air separation plant

#32
20100161133
2010-06-24

Dynamic constrained optimization of chemical manufacturing

#33
20090248174
2009-10-01

Control method of refrigeration systems in gas plants with parallel trains

#34
20070245770
2007-10-25

Optimization of a dual refrigeration system natural gas liquid plant via empirical experimental method

#35
20070227187
2007-10-04

System and method for coordination and optimization of liquefied natural gas (LNG) processes

#36
20070059838
2007-03-15

Dynamic constrained optimization of chemical manufacturing

#37
20070038333
2007-02-15

Model predictive control having application to distillation

#38
20060190113
2006-08-24

Network production planning method

#39
20060184254
2006-08-17

Method for creating a linear programming model of an industrial process facility