Patents
Sitemap › G05 - Controlling; Regulating › G05D - Systems for controlling or regulating non-electric variables › G05D 9 - Level control, e.g. controlling quantity of material stored in vessel
Patents for G05D 9 - Level control, e.g. controlling quantity of material stored in vessel (4,688)
09/1996
09/03/1996US5551309 For transferring liquid chemicals to a chemical application station
08/1996
08/22/1996WO1996025356A1 A method and device for distributing liquids
08/21/1996EP0727250A2 Method of packing particles into vessels and apparatus therefor
08/21/1996CN2233599Y Water tank level controlling valve
08/20/1996US5546926 Whole house humidifier for use with hot air heating systems
08/13/1996US5544685 Fill controller for liquified gas container and apparatus for filling tank using same
07/1996
07/24/1996EP0723214A1 Computer-controlled chemical dispenser with alternative operating modes
07/23/1996US5538054 Method and apparatus for filling transparent beverage receptacles
07/17/1996EP0721613A1 A control system for acetic acid manufacturing process
07/02/1996US5531106 Volume control system for a chromatograph
06/1996
06/26/1996CN2230043Y Device for overflow control
06/20/1996WO1996018869A1 A level measurement system for liquid metal baths
06/19/1996CN2229673Y Water level control mechanism with positioning structure
06/11/1996US5524682 Method and apparatus for filling a tank with a predetermined weight of liquid
06/05/1996EP0714707A1 A system and method of pumping a constant volume of powder
05/1996
05/30/1996DE4441521A1 Automatic electronic continuous watering system e.g. for house plants
05/21/1996US5519638 Automatic system for monitoring and replenishing hazardous liquids in tanks
05/15/1996EP0712061A1 Control module for the pump of a windscreen washer arrangement in a motor vehicle
05/14/1996US5515890 Control system for filling tanks with liquids
05/02/1996DE4437919A1 Automatic level regulating device for IC engine oil sump
05/01/1996EP0708737A1 System and method for dispensing liquid from storage containers
04/1996
04/30/1996US5511950 Vacuum pumps for recovering condensates from steam-using apparatus
04/04/1996DE4434910A1 Device to regulate the fluid, esp. liq. level in a tank
04/02/1996US5503533 Fluid level control panel structure for multi-pump system
03/1996
03/20/1996CN2222937Y Automatic liquid level control valve
03/05/1996US5495720 Process for setting, controlling and monitoring the level in a refrigerant evaporator
03/05/1996CA1338113C Method and apparatus for dispensing beverage with automatic shut-off in response to a probe sensed beverage level
02/1996
02/16/1996CA2154728A1 Method and apparatus for filling a tank with a predetermined weight of liquid
02/15/1996DE4428421A1 Water quantity measurement device, e.g. for rain monitoring in rain overflow and retention tanks and water power systems
02/14/1996CN2220087Y Sealed water lever automatic controller
01/1996
01/23/1996CA1337955C Recoating of stereolithographic layers
01/18/1996DE4424691A1 Automatic level regulation device for engine oil
01/17/1996CN2217814Y Electric-contact level-controlling alarm
01/09/1996US5483227 Liquid level controller
12/1995
12/21/1995DE4420870A1 Coal or mineral storage system with self-monitoring level control
12/21/1995DE4420816A1 Fuzzy logic for control of water management esp. in paper mills
12/21/1995DE4420813A1 Fuzzy logic process and appts. for controlling water management in process plants, esp. paper mills,
12/12/1995US5473837 Water level maintenance device
12/07/1995WO1995032817A1 Groundwater recovery systems
12/06/1995CN2214681Y Level-controlled relay
12/05/1995US5473234 Level sensor and control apparatus
12/05/1995US5472312 Water level regulating system
11/1995
11/30/1995DE4418732A1 Soldering wave height measurement and/or control
11/23/1995DE4417240A1 Monitoring water level in a washing machine
11/15/1995EP0681905A1 Recoating of stereolithographic layers
11/15/1995EP0681904A2 Stereolithographic apparatus with means to measure and control the level of fluid
11/14/1995US5465766 Chemical refill system for high purity chemicals
11/08/1995CN2212215Y 万能水位自动控制器 Universal automatic water level controller
11/02/1995DE19509847A1 Detecting boundary between two liquid layers medical research
10/1995
10/31/1995US5463378 Proximity detection system and oscillator, and method of using same
10/26/1995DE4414367A1 Feed control system for grinding or milling hoppers in roller mills
10/25/1995CN2211064Y Wireless remote-measuring monitor for the lever of water-tower
10/25/1995CN1110798A Liquid level numerical control method and device of hydraulic system liquid storage tank
10/24/1995US5460210 Control system for filling tanks with liquids
10/12/1995DE4412068A1 Servicing batteries esp. for adjusting liquid level of cells of one or more batteries
10/04/1995CN2209346Y Overflow-proof self-sealing system
10/04/1995CN1109606A Liquid level automatic controlled liquid storage tank
09/1995
09/27/1995CN2208716Y 液体显示控制器 Liquid display controller
09/27/1995CN1109164A Improved overflow detection system
09/21/1995WO1995024957A1 Upper phase removal method and device
09/13/1995CN2207596Y 水位自动控制仪 Automatic water level control device
09/12/1995US5450067 Water level detector and indicator system
08/1995
08/10/1995DE4404053A1 Controller for rainwater tanks, prevents the pump running dry and overfilling
08/09/1995CN2205022Y Capacitor position controller
08/02/1995CN1106143A Cellular glass float
07/1995
07/27/1995WO1995020127A1 Chemical refill system for high purity chemicals
07/25/1995US5436615 Overflow detection system
07/18/1995US5433344 Continuous feed, chemical switching unit
07/12/1995CN2203513Y 电子水位开关 Electronic level switch
06/1995
06/27/1995US5427136 Fluid level detection system
06/21/1995CN2201693Y Single, 3-phase a.c dual level automatic controller
06/20/1995US5425432 Oil addition device
05/1995
05/31/1995CN2199554Y Liquid level controller
05/31/1995CN1028679C Apparatus for controlling filling liquid into container
05/24/1995EP0654518A2 Control method for fluid catalytic cracking coupled riser cyclone
05/23/1995CA2131034A1 Control method for direct-coupled fcc riser cyclone
05/17/1995CN2196981Y Multifunctional soyabean milk process or with an electric control device
05/10/1995CN2196791Y Non-contacting type electromagnetic liquid-level controllor
05/02/1995US5411052 Liquid supply apparatus
04/1995
04/25/1995US5410470 Process control method and system with employment of fuzzy inference
04/20/1995DE4335335A1 Petrol separator (low-viscosity-liquid separator) with overflow safety device
04/19/1995CN2195110Y Two-position control double-float valve
04/19/1995CN1101727A Constant level automatic liquid adding device
04/12/1995CN2194520Y Material position controlling probe
04/12/1995CN2194519Y Pneumatic automatic liquid level controller
04/11/1995CA2097118C Liquid level control with capacitive sensors
04/06/1995WO1995009388A1 A control system for acetic acid manufacturing process
04/05/1995CN2194009Y Level automatic-controlling device for high-flow liquid
03/1995
03/30/1995DE4332380A1 Method to permit the automatic filling of vessels
03/29/1995EP0645611A1 Apparatus for determining optically visible interfaces in fluids
03/08/1995CN2191450Y Photoelectric controller for object position
02/1995
02/22/1995CN2190314Y 液位控制器 Level Controller
02/14/1995US5389239 Control method for direct-coupled FCC riser cyclone
02/02/1995WO1995003245A1 System and method for dispensing liquid from storage containers
02/01/1995EP0355153B1 Liquid level control system
01/1995
01/25/1995CN2188222Y Liquid level controller
01/24/1995US5383574 System and method for dispensing liquid from storage containers
01/12/1995DE4322088A1 Method and filling element for pouring a liquid substance into bottles, cans or similar containers
01/03/1995US5378089 Apparatus for automatically feeding hot melt tanks
12/1994
12/20/1994CA1333551C Method and apparatus for optimization of feedwater heater liquid level
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