| Patents for G01N 9 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity (6,694) |
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| 08/22/1984 | EP0028629B1 A method and apparatus for determining the density of a process liquid |
| 08/21/1984 | US4466272 Fluid density transducer |
| 08/01/1984 | EP0114316A2 Test means, test device and method for determining the ionic strength or specific gravity of a liquid sample |
| 08/01/1984 | EP0114315A2 Novel strong organic acid polyelectrolyte salts, test means, test device and method for determining the ionic strength or specific gravity of a liquid sample |
| 07/25/1984 | EP0114039A2 A water detector |
| 07/10/1984 | CA1170430A1 Method for control of chemicals during treatment with gas |
| 06/05/1984 | CA1168470A1 Procedure and device for measurement |
| 05/29/1984 | US4451350 Solid electrolyte with metal fluoride containing coating |
| 05/22/1984 | US4449406 Method and device for measuring the fat content of meat |
| 05/08/1984 | CA1167162A1 Method and device for measuring the density of fluids, particularly dredgings |
| 05/01/1984 | US4445389 Long wavelength acoustic flowmeter |
| 04/17/1984 | US4442700 Ultrasonic hydrometer |
| 04/10/1984 | US4441361 Method and apparatus for measurement of fluid density and flow rates in multi-phase flow regimes |
| 03/27/1984 | US4438651 Method and device for measuring the density of fluids particularly dredgings |
| 03/21/1984 | EP0103172A1 Device for determining the viscosity of liquids, especially of blood plasma |
| 03/21/1984 | EP0103169A2 Air fuel ratio sensor |
| 03/14/1984 | EP0102490A1 Densitometer for gases |
| 02/14/1984 | US4431071 Apparatus for determining the mass by the hectolitre (specific weight) of various products such as foodstuffs, more particularly cereals, granulous products and the like |
| 02/07/1984 | US4429572 Method and apparatus for the determination of the density of light hydrocarbons mixtures |
| 02/07/1984 | US4429564 Vibration type density meter |
| 01/17/1984 | US4425787 Method of and apparatus for measuring the density profile of a liquid layer |
| 01/04/1984 | EP0097385A1 Measuring apparatus |
| 01/03/1984 | US4424443 Apparatus for measuring the density of cigarette rods or the like |
| 01/03/1984 | US4423634 Device for the activation of an apparatus for measuring acoustic emission by detection of background noise |
| 12/27/1983 | US4422326 Method of ascertaining the state inside melting furnace for radioactive waste |
| 12/20/1983 | US4422085 Ink liquid viscosity control in an ink liquid supply system for an ink jet system printer |
| 12/20/1983 | US4420966 Method for determining solids or liquids in vapor |
| 12/13/1983 | US4419893 Method for determining specific gravity of a liquid |
| 12/07/1983 | EP0095867A1 Apparatus for the continuous measurement of bulk density material such as cut tobacco |
| 12/06/1983 | US4419184 Method for control of chemicals during gas treatment of suspensions |
| 11/29/1983 | US4417474 Densitometer |
| 11/15/1983 | CA1156854A1 Electronic hydrometer and method of determining the density of a liquid |
| 10/19/1983 | EP0091486A1 Multi-sample crude oil gravity tester |
| 09/28/1983 | EP0089419A1 Measuring arrangement for measuring the density of liquids |
| 09/07/1983 | EP0087611A1 Device for determining the amount of material or density of fibre webs, especially the profile section of fibre bundles |
| 08/30/1983 | US4400978 Electronic hydrometer and method of determining the density of a liquid |
| 08/16/1983 | US4398412 Device for determining frost depth and density |
| 08/09/1983 | CA1151744A1 Method and apparatus for detecting bubbles in a liquid |
| 07/19/1983 | US4393705 Specific gravity level gauge and method |
| 07/12/1983 | CA1149927A1 Densitometer with voltage driver |
| 07/05/1983 | US4391141 Apparatus for determining the properties of a material having plastic properties by determining its density |
| 06/28/1983 | CA1149015A1 State of charge battery monitor |
| 06/28/1983 | CA1148805A1 Device for automatic addition of a corrosion inhibitor to a coolant system |
| 06/21/1983 | US4389136 Method of determining density |
| 06/14/1983 | US4388407 On site analysis of oil spill |
| 05/04/1983 | EP0077981A2 Device for checking the density of a negatively charged gas in an electrical switchgear enclosure |
| 04/28/1983 | WO1983001508A1 Multi-sample crude oil gravity tester |
| 04/26/1983 | CA1145155A1 Electronic battery hydrometer w/analog output |
| 04/20/1983 | EP0077305A1 An electro-hydrostatic device to measure the specific gravity of liquids |
| 04/20/1983 | EP0077285A2 Long wavelength acoustic flowmeter |
| 03/23/1983 | EP0074365A1 Measurement of bulk density of particulate materials |
| 03/17/1983 | WO1983000922A1 Long wavelength acoustic flowmeter |
| 03/15/1983 | US4376827 Composition, test device and method for determining the ionic strength or specific gravity of a liquid sample utilizing a strong polyelectrolyte |
| 03/02/1983 | EP0073158A2 Electronic hydrometer and method of determining the density of a liquid |
| 02/22/1983 | US4374474 Pressurized density measuring apparatus |
| 02/15/1983 | CA1141275A1 Composition, test device and method for determining the ionic strength or specific gravity of a liquid sample |
| 02/08/1983 | US4372405 Weight, volume or density measuring system |
| 02/01/1983 | US4371786 Method and apparatus for detecting bubbles in a liquid |
| 01/05/1983 | EP0069008A1 Method and apparatus for determining the flow characteristics of a fluid in a well bore |
| 01/04/1983 | CA1138929A1 Voltage-to-current converter |
| 12/28/1982 | US4365510 Method and device for measuring the height of at least one separation layer in the material bed of a density sorting machine |
| 12/28/1982 | US4365509 System and method for determining the well load of a hopper suction dredge |
| 12/28/1982 | CA1138310A1 Composition, test device and method for determining the ionic strength or specific gravity of a liquid sample utilizing a strong polyelectrolyte |
| 12/08/1982 | EP0066520A1 Device for measuring a pressure difference in a pulse column and its use in measuring the interface level and the density of the liquid medium |
| 12/07/1982 | US4362179 Method and apparatus for controlling ink viscosity |
| 12/07/1982 | US4362048 Apparatus for use in the measurement of a variable |
| 11/02/1982 | CA1134640A1 Combined level indicator and hydrometer |
| 10/27/1982 | EP0063451A1 Device for sensing the density of liquids |
| 10/19/1982 | US4354377 Fluid density transducer |
| 10/12/1982 | US4353253 Device for measuring the density of fluids |
| 10/12/1982 | CA1133626A1 Ultrasonic apparatus and method for measuring the density of liquid |
| 09/30/1982 | WO1982003273A1 Measurement of bulk density of particulate materials |
| 09/21/1982 | US4350885 Battery hydrometer with analog output |
| 09/21/1982 | CA1131931A1 Densimeter |
| 09/14/1982 | US4349881 Vibration instruments |
| 09/08/1982 | EP0059222A1 Oxygen level sensor for molten metal |
| 08/31/1982 | US4346599 Method and apparatus for ultrasonically testing polymers |
| 08/24/1982 | US4345456 Densitometer |
| 07/13/1982 | US4338817 Hydrometer with improved temperature compensation |
| 07/13/1982 | US4338809 Remote reading, liquid parameter measuring device and improved pump |
| 07/08/1982 | WO1982002250A1 Method of time-marking sedimentation processes and device for carrying out the method |
| 07/06/1982 | CA1126979A1 Process for determining the api gravity of oil |
| 06/30/1982 | EP0055234A2 Method of time-marking sedimentation processes and device for carrying out the method |
| 06/22/1982 | CA1126048A2 Densimeter |
| 06/02/1982 | EP0052649A1 Method and device for measuring the fat content of meat |
| 05/11/1982 | US4328699 Flueric density and force sensor |
| 05/05/1982 | EP0050812A1 Method and apparatus for detecting bubbles in a liquid |
| 04/21/1982 | EP0049933A1 Device for measuring the density of dredgings |
| 04/06/1982 | CA1121179A1 Fluid property detection system |
| 03/30/1982 | US4321829 Density measuring apparatus |
| 03/23/1982 | US4320658 Weighing apparatus |
| 03/23/1982 | US4320652 Intake air density sensor for an internal combustion engine |
| 03/18/1982 | WO1982000892A1 Oxygen level sensor for molten metal |
| 03/16/1982 | US4320291 Optical instrument |
| 03/09/1982 | US4318709 Test means, test device and method for determining the ionic strength or specific gravity of a liquid sample |
| 03/02/1982 | US4317361 Gas density detecting device for use in internal combustion engine |
| 02/17/1982 | EP0046130A1 Method and apparatus for automatically determining the weight per hectolitre of various products like alimentary products, especially cereals and granular products |
| 02/09/1982 | CA1117791A1 Apparatus and method for measuring properties of fluid |
| 02/09/1982 | CA1117784A1 Density monitoring apparatus |
| 01/13/1982 | EP0043746A1 Actuation device for an acoustic emission measuring system using the detection of the background noise |