Patents for G05D 22 - Control of humidity (1,229)
03/1996
03/05/1996US5496108 Method and means for adding moisture to particulate material
01/1996
01/31/1996EP0694402A2 Humidifier apparatus for fluid-containing tubes and an improved ink-jet printer utilizing the apparatus
01/25/1996DE4425412A1 Process and assembly control moisture content of particulate wastes
12/1995
12/12/1995US5474594 Method and apparatus for the desorption of a material which adsorbs moisture
12/12/1995US5474380 Method for adding moisture to particulate material
11/1995
11/28/1995US5469707 Apparatus for, and method of, providing an atmosphere of predetermined humidity
11/08/1995EP0681232A1 Building management set value decision support apparatus, set value learning apparatus, set value determining apparatus, and neural network operation apparatus
10/1995
10/17/1995US5458186 Refrigerator with kimchi seasoning and storing chamber
10/12/1995DE4411958A1 Household laundry dryer
09/1995
09/19/1995US5450893 Humidistat and interface
08/1995
08/17/1995DE4423851A1 Dehumidifier for use in small spaces or unheated areas
08/17/1995DE4404477A1 Combined ventilating, heating and cooling of building
08/03/1995DE4409866A1 Controlling room air cooling appts.
07/1995
07/25/1995US5435146 Method and apparatus for determining relative humidity
07/25/1995CA2062306C Humidity control apparatus
07/11/1995US5431040 Method for measuring the humidity of hot air, apparatus for employing this method, and a hot air drying installation including this apparatus
06/1995
06/20/1995US5425902 Method for humidifying air
05/1995
05/11/1995WO1995012450A1 Humidifier and method for humidifying air
04/1995
04/19/1995EP0648992A1 Hot air temperature controlling device for washing and/or drying machine
04/13/1995DE4402320A1 Moisture meter for determining the air moisture on a component
04/04/1995US5402586 Device for controlling drying period of time in a washing machine
03/1995
03/16/1995WO1995007427A1 Sprinkler flow control apparatus and method
03/16/1995DE4331062A1 Method and apparatus for monitoring and/or controlling ventilation or air-conditioning of interior spaces, in particular for their dehumidification
03/07/1995US5394734 Apparatus for determining humidity concentration in a humidified air system
02/1995
02/28/1995CA2013035C Power controller for heater load
02/17/1995CA2104206A1 Soil/medium/polar fluid impedance controller
02/09/1995DE4325915A1 Method for measuring humidity of a material web on a continuous drier and device for carrying out the method
01/1995
01/26/1995WO1995002858A1 Circuit assembly for controlling the output of the heating element of a heater for drying a continuous strip of material
01/12/1995DE4321863A1 Process and apparatus for the desorption of a moisture-adsorbing material
01/11/1995EP0633461A2 Method and device for measuring the humidity of hot air and hot air drying plant using this device
01/10/1995US5380440 Two dewatering of slurries controlled by video system
12/1994
12/08/1994DE4318843A1 Method for actuating frame heating systems in refrigerated furniture
11/1994
11/29/1994US5368786 Apparatus and methods for humidity control
11/24/1994WO1994027203A1 Indoor climate controller
11/24/1994DE4316717A1 Method for determining the degree of dryness of photographic paper
11/22/1994CA2123958A1 Process for measuring humidity of hot air, device for the implementation of the process and hot air drying facility with such a device
11/15/1994US5364024 Application independent, portable room temperature and humidity controller
10/1994
10/18/1994US5357441 Moisture content measuring apparatus and method
10/11/1994US5355323 Humidity control method for an air conditioner which depends upon weather determinations
10/11/1994US5353862 Humidity control device of air conditioner
10/04/1994US5351855 Humidistat reset control
09/1994
09/13/1994US5346129 Indoor climate controller system adjusting both dry-bulb temperature and wet-bulb or dew point temperature in the enclosure
09/13/1994US5346128 Humidity control system
07/1994
07/05/1994US5325604 Automatic control system for wood drying kiln
06/1994
06/21/1994US5321907 Method and apparatus for storing horticultural plants
04/1994
04/19/1994US5304174 Micromanipulator apparatus for surgical laser
04/12/1994US5302270 Oxygen concentration or humidity controlling apparatus
04/05/1994US5299365 Electric dryer circuit system
03/1994
03/09/1994EP0585864A1 Device for detecting humidity in a moistened air flow
03/09/1994EP0585291A1 Apparatus for, and method of, providing an atmosphere of predetermined humidity
02/1994
02/15/1994US5286942 Induction steam humidifier
02/15/1994US5285960 Hygroscopic solution; electrodes mounted in separate vials; controlling
02/09/1994CN2155584Y Temp and humidity controller for use in concrete standard curing room
01/1994
01/12/1994CN1080741A Multi-channel intelligent moisture and temp. measuring and controlling instrument
01/12/1994CN1080660A Apparatus and method of controlling moisture content within a reaction vessel
01/04/1994US5274931 On-line moisture control method for powdered or granular materials and a system to execute the method
01/04/1994CA1325834C Mill/dryer gas temperature control
12/1993
12/16/1993DE4319603A1 Drying wood by heated air - detecting moisture content of wood in drying chamber to control air temps. and/or throughput rate
12/09/1993DE4310502A1 Ceramic-cell tensiometer controller for plant-watering appts. - operates on water supply valve in response to readings of pressure transducer combined with amplifier in tensiometer head
11/1993
11/02/1993US5257735 Automatic room environment controller
10/1993
10/14/1993WO1993020494A1 Humidistat reset control
09/1993
09/29/1993EP0562747A2 Oxygen concentration or humidity controlling apparatus
09/28/1993CA1322583C Humidity controller
08/1993
08/31/1993US5240177 Container with device preventing dew condensation
08/03/1993US5232152 Range hood fan with atmospheric humidity sensor
07/1993
07/27/1993US5230466 Humidity control apparatus
07/07/1993EP0550380A2 Method and apparatus for detecting room humidity
06/1993
06/30/1993EP0549467A1 Stop control system for a laundry dryer
05/1993
05/27/1993DE4239615A1 Gas processing plant control system - controls cyclically operated adsorption dryer, esp. for compressed air drying
05/04/1993US5207380 Irrigation control system
04/1993
04/27/1993US5205485 Apparatus and method of controlling moisture content within a reaction vessel
04/07/1993EP0535952A1 Humidifier
03/1993
03/02/1993US5191643 Method and apparatus for refrigeration control and display
03/02/1993CA1314102C Process and apparatus for controlling on-line a parameter of a moving sheet
12/1992
12/08/1992US5168754 Method and apparatus for detecting room humidity
11/1992
11/26/1992WO1992021080A1 Apparatus for, and method of, providing an atmosphere of predetermined humidity
11/24/1992US5165180 On-line drying control method for powdered or granular materials and a system to execute the method
10/1992
10/15/1992DE4110786A1 Vorrichtung zur ermittlung der schichtdicke eines fluids Device for determining the layer thickness of a fluid
10/05/1992CA2061278A1 Device for determining the thickness of a fluid film
09/1992
09/22/1992US5148826 Moisture monitoring and control system
09/16/1992CN1064541A Automatic controlling method for separated air conditioner
09/15/1992US5146692 On-line moisture control method for powdered or granular materials and a system for performing the method
09/08/1992US5144811 Condensation control system for water-cooled electronics
08/1992
08/27/1992DE4205735A1 Air conditioner automatic control method - using external temp. sensor to measure temp. at known time intervals and evaluating weather conditions from values according to reference tables
08/26/1992EP0208769B1 Method and apparatus for water vapor control in convection ovens
07/1992
07/21/1992USRE33998 Apparatus and process for producing an organic product from sewage sludge
07/14/1992US5129234 Humidity control for regulating compressor speed
07/01/1992EP0492652A2 Container with device preventing dew condensation
06/1992
06/24/1992CN2108326U Electronic automatic moisture controller
06/23/1992US5123277 Apparatus and method for analyzing gas dryer performance
04/1992
04/22/1992CN2102535U Temperature controller
03/1992
03/24/1992US5097861 Irrigation method and control system
03/18/1992CN2099333U Small-sized high power constant temp. constant humidity socket
11/1991
11/19/1991CA1292300C Humidity control apparatus for an area
11/05/1991US5062276 Humidity control for variable speed air conditioner
11/05/1991CA1291703C Air dryer
10/1991
10/29/1991US5060572 Continuous drier on rotary offset printing presses and operation of such a drier during the printing and cylinder washing processes with the web running
10/24/1991DE4112198A1 Room humidity warning method - involves measuring room temperature over long period to determine critical point
10/22/1991US5059291 Hydrogen ion conductor membrane, porous electrodes, collecting electrodes
10/15/1991US5056547 Relative humidity generation technique
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