Patents
Patents for G01N 9 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity (6,694)
05/1979
05/01/1979US4151744 Method and apparatus for the measurement and control of viscosity of slurries
05/01/1979US4151743 Densitometer drive
04/1979
04/24/1979CA1053024A1 Visual and electronic battery hydrometer
04/03/1979US4147051 Densimeter
04/03/1979CA1051760A1 Device and method for the determination of the specific gravity or osmolality of a liquid
03/1979
03/20/1979US4144763 Non-invasive method for the measurement of body fat
03/06/1979US4142419 Sensing device for liquids
01/1979
01/30/1979US4136567 Pulp density meter
01/30/1979US4136551 Densimeter
01/23/1979US4135383 Vibration densitometer probe
01/09/1979CA1045863A1 Method of and assembly for monitoring the dry density of a board product
01/02/1979US4132110 Vibration type liquid density meter
01/02/1979CA1045410A1 Pulp density meter
01/02/1979CA1045407A1 Densitometer probe shield and well
12/1978
12/26/1978US4131668 Iron ore pellet process control
12/26/1978US4131019 Method and apparatus for measuring specific gravity of liquids in process streams
12/19/1978US4130126 Ink maintenance sensor
12/12/1978US4129031 Immersible liquid densitometer
11/1978
11/21/1978US4126044 Antifreeze tester
11/07/1978US4123936 Volumeter device
10/1978
10/24/1978US4121450 Apparatus for measuring the density of a moving elongate mass of filiform material
10/17/1978US4121151 Analysis instrument
10/10/1978CA1040266A1 Device for measuring the mass of particles of an aerosol per volume unit
10/03/1978US4117716 Densitometer apparatus
09/1978
09/26/1978US4116072 Method and apparatus for determining the density of dry fibers
09/19/1978US4114423 Device for measuring the density of liquid and gaseous substances and method for operating the device
09/12/1978CA1038191A1 Method and apparatus for measuring specific gravity of liquids in process streams
09/12/1978CA1038190A1 Apparatus for measuring the apparent weight of a sludge charging a liquid
08/1978
08/29/1978US4109531 Fluid sensing systems
08/22/1978US4108727 Ionizing
08/01/1978US4103700 Aviation fuel grade monitor
06/1978
06/20/1978US4095473 Pycnometer
06/20/1978US4095455 Pneumatic detector for chromatographic analyzer
04/1978
04/18/1978US4084425 Vibration densitometer
04/11/1978US4083228 Gas comparison pycnometer
03/1978
03/07/1978US4077265 Alcohol testers
02/1978
02/21/1978US4075680 Capacitance densitometer for flow regime identification
02/21/1978US4074562 Method and apparatus for measuring fluid specific gravity
01/1978
01/03/1978US4065957 Fluid speed indicating apparatus and densitometer
12/1977
12/27/1977US4064739 Densitometer
12/27/1977US4064738 Vibration densitometer
12/20/1977US4063448 Density meter coil assembly
09/1977
09/20/1977US4048846 Pressure responsive apparatus
09/13/1977US4047891 Density control system
08/1977
08/23/1977US4043193 Method and apparatus for measuring volume and density of fluids in a drilling fluid system
08/16/1977US4041769 Densitometer
08/16/1977US4041768 Device for measuring the mass of particles of an aerosol per volume unit
07/1977
07/26/1977US4037967 Apparatus for measuring the density of a liquid, utilizing the law of refraction
07/26/1977US4037481 Device for measuring the density of liquids
07/26/1977US4037462 Method of and assembly for monitoring the dry density of a board product
07/26/1977US4037461 Probe and method of making the same
07/26/1977US4037460 Densitometer
07/26/1977US4037459 Densitometer
07/05/1977US4033171 Pneumatic detector for chromatographic analyzer
05/1977
05/17/1977US4023400 Or densitometer
04/1977
04/26/1977US4020330 Densitometer
04/12/1977US4016746 System and detector for measuring by means of sound the liter weight of the material in satellite coolers for rotative ovens
04/05/1977US4016377 Slide switch assembly having improved fixed knife blade type contact structure
04/05/1977US4015462 Device and method for the determination of the specific gravity or osmolality of a liquid
03/1977
03/22/1977US4013878 Device for an iterative determination of the variation of a function in a plane
03/15/1977US4011746 Liquid density measurement system
02/1977
02/15/1977US4007627 Density transducers
02/08/1977US4006635 Liquid level measuring process and indicator
02/01/1977US4005606 Submersible load cell for measuring gas buoyancy
02/01/1977US4005599 Fluid property detection system
01/1977
01/11/1977US4002053 Method and apparatus for measuring density of suspension
01/04/1977US4000657 Apparatus for measuring the apparent weight of a sludge charging a liquid
12/1976
12/28/1976US3999421 Powder bulk density instrument
11/1976
11/30/1976US3994175 Device for detecting specific gravity and level of liquid
11/30/1976US3994174 Device for measuring the density of liquids
11/23/1976US3992939 Apparatus for producing a mass flow rate signal with or without a density signal
11/16/1976US3991619 Apparatus for measuring specific gravity
10/1976
10/19/1976US3986388 Fluid property detection system
10/05/1976US3983744 Method and apparatus for measuring the density of a dirty fluid
09/1976
09/21/1976US3981202 Apparatus for measuring the density of a cement slurry
09/21/1976US3981183 Method and apparatus for measuring a physical property of a fluid material that varies nonlinearly relative to the density of the fluid
09/21/1976US3981178 Gas density detecting apparatus
08/1976
08/31/1976US3977790 Apparatus for measuring the density of a contained liquid, by utilizing the angular displacement of the limiting angle at total reflection
07/1976
07/20/1976US3969938 Or density of a fluid stream
07/13/1976US3968904 Continuous measurement of the bulk density of particulate material
07/06/1976US3967490 Vibration densitometer
06/1976
06/22/1976US3964317 Densimeter
06/15/1976US3964037 Fuel tank alarm systems
06/08/1976US3962572 Rate divider
05/1976
05/25/1976US3958446 Discontinuity suppression apparatus for vibration densitometers
05/18/1976US3956922 Densitometer probe shield and well
05/11/1976US3955401 Apparatus for determining the density of a fluid
05/04/1976US3954010 Visual and electronic battery hydrometer
04/1976
04/27/1976US3952761 System for controlling density of liquids
04/27/1976US3952592 Fluid sensing systems
03/1976
03/30/1976US3946625 Liquid detector
01/1976
01/20/1976US3934127 Gravitometers
01/20/1976US3933030 System for continuous monitoring of the density of cryogenic liquids via dielectric constant measurements
01/13/1976US3932038 Apparatus for the continuous measurement of the density of a liquid by utilization of the law of refraction
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