Patents
Patents for G01N 7 - Analysing materials by measuring the pressure or volume of a gas or vapour (3,762)
02/1980
02/12/1980CA1071429A1 Method and apparatus for purification of aqueous zinc sulphate solution used in electrolytical production of zinc
02/05/1980US4186590 Method of determining the quantitative content of gaseous or vaporous impurity in a gas mixture and a device for accomplishing same
01/1980
01/22/1980US4184359 Gas monitor for liquid flow line
01/01/1980US4181005 Multicompartment, accuracy
12/1979
12/25/1979US4179918 Method and an apparatus for measuring the carbon dioxide content in beer
12/25/1979CA1068511A Method and apparatus for measuring steam quality
09/1979
09/25/1979US4168624 Method and apparatus for determining the volume flowrate of each phase in a diphase mixture
09/11/1979CA1062134A1 Method and apparatus for automated measurement of energy oxygen
09/11/1979CA1062040A1 Gas sampling apparatus
05/1979
05/29/1979CA1055272A1 Gaseous contaminate dosimeter and method
05/15/1979US4154099 Process and device for measuring the ratio of the specific heats of a fluid at a constant pressure and a constant volume
04/1979
04/24/1979US4150560 Measuring cell for the continuous determination of a liquid, especially a beverage flowing through a pipe
04/24/1979CA1053029A1 Apparatus for indicating rate of ice accretion
04/17/1979US4149403 Determining steam quality
02/1979
02/27/1979CA1049286A1 Apparatus for indicating ice accretion
01/1979
01/30/1979US4137047 Method of determining corrosion resistance of anodized aluminum
12/1978
12/19/1978CA1044584A1 Vapor sampling device
12/12/1978CA1044124A1 Micro-gasometric method and apparatus
11/1978
11/28/1978CA1043241A1 Electrolytic field respirometer
10/1978
10/17/1978US4120192 Gas sampling apparatus
10/10/1978CA1040083A1 Method for the determination of total carbon in aqueous solutions
09/1978
09/12/1978US4112737 Transformer fault detection
09/12/1978US4112736 Gas detector
08/1978
08/15/1978CA1036538A1 Electric surface area meter
07/1978
07/18/1978US4100789 Fluidic partial pressure sensor
06/1978
06/06/1978US4092844 Hydrogen probe with limited active area
05/1978
05/16/1978US4089652 Reaction with water to form a gas
05/16/1978US4089206 Method and apparatus for measuring the proportion of undissolved gas in a liquid component for the production of foam materials
04/1978
04/11/1978US4083227 Hydrocarbon vapor analyzer
02/1978
02/14/1978US4073692 Method and apparatus for automated measurement of energy oxygen
01/1978
01/17/1978US4068525 Portable tensiometer for soil moisture measurement
11/1977
11/15/1977US4057995 Apparatus and method for measuring low boiling component contained in relatively high-boiling liquid
11/08/1977US4056968 Hydrogen probe system
10/1977
10/11/1977US4053127 Apparatus for indicating rate of ice accretion
09/1977
09/06/1977US4047102 Dual chamber, high sensitivity gas sensor and pump
08/1977
08/30/1977US4045319 Solid electrolyte, palladium-palladium oxide redox couple
08/23/1977US4043178 Hydrogen probe system
07/1977
07/12/1977US4034597 Method and apparatus for measuring steam quality
05/1977
05/24/1977US4025309 Carbon nitrogen test system
04/1977
04/05/1977US4016065 Electrolytic field respirometer
04/05/1977US4015936 Method for determination of total nitrogen and heavy nitrogen content
03/1977
03/22/1977US4013412 Method for judging purity of purified zinc sulphate solution used for electrolytic production of zinc
02/1977
02/22/1977US4008601 Fluidic partial pressure sensor
01/1977
01/18/1977US4003240 Calibration device for vaporized liquids
12/1976
12/14/1976US3996787 Apparatus for indicating ice accretion
08/1976
08/31/1976US3977232 Diffusion-type hydrogen meter
08/10/1976US3973912 Micro-gasometric method and apparatus
07/1976
07/13/1976US3969077 Alkali metal leak detection method and apparatus
07/13/1976US3968678 Method of determining the relative air content in an air-containing liquid or cream and an apparatus for carrying out the method
05/1976
05/11/1976US3955924 Method for the determination of total carbon in aqueous solutions
04/1976
04/20/1976US3950980 Vapor sampling device
04/13/1976US3949593 Diffusion monitoring apparatus
04/06/1976US3948731 Method and apparatus for measuring reactant concentrations and quantities
03/1976
03/23/1976US3946228 Method and apparatus for determining gas content in inorganic substances
03/09/1976US3942792 Process and apparatus for measuring dissolved gas
03/09/1976US3942546 Corrosion monitoring and composition-analytical apparatus
03/09/1976US3942357 Inspection apparatus
03/02/1976US3941566 Iron capsule with an iron oxide layer
02/1976
02/24/1976US3939699 Tensiometer with remote sensing unit
02/24/1976US3939693 Process and apparatus for the qualitative and quantitative analysis of solid material
02/10/1976US3937063 Vapor pressure metering apparatus and method
02/10/1976US3937060 Mud gas content sampling device
1 ... 28 29 30 31 32 33 34 35 36 37 38