| Patents for G01F 5 - Measuring a proportion of the volume flow (1,398) |
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| 03/25/1986 | US4577495 Apparatus for shielding and protecting an air flow rate meter disposed in the intake tube of an internal combustion engine from air column fluctuations |
| 03/12/1986 | EP0173946A1 Air flow meter |
| 02/25/1986 | US4571996 Air flow sensor |
| 02/25/1986 | US4571801 Method of manufacturing a cartridge unit for establishing controlled laminar-flow conditions |
| 02/05/1986 | EP0170552A1 Pressureloss flow meter and apparatus for flow control using such a flow meter |
| 01/21/1986 | US4565092 Flow sensor with adjustable sensitivity |
| 01/07/1986 | US4562731 Air flow meter |
| 12/17/1985 | US4558678 Fuel feeding apparatus for internal combustion engine |
| 12/03/1985 | US4555939 Condition responsive sensor for fluid flow measurement |
| 11/26/1985 | US4554828 Measuring device for the magneto-inductive measuring of the flow rate of a liquid medium |
| 11/21/1985 | EP0161847A2 Metering arrangement |
| 10/22/1985 | US4548076 Air flow volume measuring apparatus |
| 10/22/1985 | US4548075 For measuring the flow rate of fluid flowing through a meter |
| 10/02/1985 | EP0156271A1 Condition responsive sensing apparatus |
| 07/09/1985 | US4527423 Air flow meter for internal-combustion engine |
| 06/26/1985 | EP0145968A1 Hot-wire air-flow meter |
| 06/25/1985 | US4524616 Adjustable laminar flow bypass |
| 06/11/1985 | US4522059 Flowmeter and installation for mixing an additive in a liquid |
| 06/11/1985 | US4522058 Laminar-flow channeling in thermal flowmeters and the like |
| 05/21/1985 | US4517837 Air flow rate measuring apparatus |
| 05/15/1985 | EP0141277A1 Device for measuring the volume flow of a gas in a channel |
| 05/07/1985 | US4515014 Apparatus for measuring the mass of a flowing medium |
| 03/20/1985 | EP0134272A1 Apparatus for measuring human respiration |
| 02/19/1985 | US4499905 Apparatus for measuring human respiration |
| 02/05/1985 | US4497202 Laminar flowmeter |
| 01/29/1985 | US4495802 For internal combustion engines |
| 01/23/1985 | EP0132209A1 Device for taking samples and for measuring flow of a liquid |
| 01/22/1985 | US4494405 Air-flow meter for internal combustion engine |
| 12/27/1984 | EP0129012A1 Laminar-flow channeling in thermal flowmeters and the like |
| 12/11/1984 | US4487062 Mass flowmeter |
| 10/23/1984 | US4478075 For an internal combustion engine |
| 10/16/1984 | US4476720 Unidirectional fluidflow sensor system |
| 10/09/1984 | US4475387 For measuring fluid flow |
| 10/03/1984 | EP0120423A1 Air/fuel ratio sensor |
| 09/04/1984 | US4468957 Apparatus for measuring the mass of a flowing medium |
| 07/24/1984 | US4461173 For measuring the mass flow rate of a gas |
| 06/19/1984 | US4454758 Venturi-type shunt flowmeter |
| 05/29/1984 | US4450718 Flow meter including improved laminar flow restrictor device therefor |
| 05/22/1984 | US4449401 Hot film/swirl fluid flowmeter |
| 04/18/1984 | EP0105506A2 Measuring apparatus for the magneto-inductive measurement of fluid flow velocity |
| 04/17/1984 | US4442818 Fuel injection apparatus for internal combustion engines |
| 04/03/1984 | US4440621 System for detection of air/fuel ratio in IC engine by using oxygen sensor operated with supply of current |
| 03/07/1984 | EP0102105A2 Arrangement for metering by volume |
| 02/28/1984 | US4433575 Flow splitting device for fluid flow meter |
| 02/14/1984 | US4430901 Fluid meter |
| 01/31/1984 | US4428231 Viscous link drive for fluid flowmeter |
| 12/20/1983 | US4421417 Fluid delivery monitor |
| 12/20/1983 | US4420972 Air intake measuring apparatus for internal combustion engine |
| 12/06/1983 | US4418568 Hot film fluid flowmeter with auxiliary flow sensing |
| 09/07/1983 | EP0087621A1 Air flow meter for internal-combustion engine |
| 08/30/1983 | US4400974 Intake air amount detecting system for internal combustion engines |
| 08/17/1983 | EP0086145A1 Flow meter and device to mix in an additive with a fluid comprising such a flow meter |
| 08/17/1983 | EP0085987A1 Fuel feeding apparatus for internal combustion engine |
| 08/02/1983 | US4395907 Air flow rate measuring device |
| 07/19/1983 | US4393697 Air flow rate measuring apparatus |
| 06/29/1983 | EP0082484A2 Air flow meter |
| 06/29/1983 | EP0082372A2 System for detection of air/fuel ratio in IC engine by using oxygen sensor operated with supply of current |
| 06/07/1983 | US4386523 Apparatus for measuring and/or sampling the milk-yield of a cow during milking |
| 05/03/1983 | US4381668 Gas flow measuring apparatus |
| 03/15/1983 | EP0064975A4 Vortex generating mass flowmeter. |
| 03/01/1983 | US4375204 Intake device for internal combustion engine |
| 02/15/1983 | US4373387 Air flow meter |
| 02/08/1983 | US4372169 Vortex generating mass flowmeter |
| 01/25/1983 | US4369650 Adjustable air flow sensor arrangement |
| 01/04/1983 | US4366704 Air intake apparatus for internal combustion engine |
| 11/25/1982 | WO1982004120A1 Flow splitting device for fluid flow meter |
| 11/24/1982 | EP0064975A1 Vortex generating mass flowmeter. |
| 07/07/1982 | EP0055482A2 Fuel injection apparatus for internal combustion engines |
| 06/30/1982 | EP0054887A2 Air flow meter assembly |
| 06/01/1982 | CA1124862A1 Air flow rate measuring apparatus |
| 05/27/1982 | WO1982001670A1 Vortex generating mass flowmeter |
| 04/01/1982 | WO1982001087A1 Fluid delivery monitor |
| 03/17/1982 | EP0047555A2 Apparatus for measuring and/or sampling the milk-yield of a cow during milking |
| 02/16/1982 | US4315431 Adjustable flow divider for mass flowmeters |
| 02/10/1982 | EP0045588A1 Flow meter |
| 08/11/1981 | US4282751 Fluid flowmeter |
| 04/28/1981 | US4264961 Air flow rate measuring apparatus |
| 03/18/1981 | EP0025149A2 Gas flow measuring apparatus |
| 02/18/1981 | EP0023970A2 Air flow meter |
| 01/06/1981 | CA1092856A1 Liquid measuring device |
| 12/23/1980 | US4240293 Vortex generating device |
| 11/11/1980 | US4232549 Two stage flowmeter |
| 09/17/1980 | EP0015891A1 Impeller meter |
| 08/05/1980 | US4215565 Method and apparatus for testing a fluid |
| 07/29/1980 | CA1082539A1 Air metering apparatus |
| 11/27/1979 | US4175433 Method of and apparatus for the measurement of the rate of flow by means of a bypass |
| 11/13/1979 | US4173890 By-pass flowmeter |
| 03/06/1979 | US4142407 Air flow metering apparatus for internal combustion engines |
| 01/23/1979 | CA1047111A1 Apparatus and method for measurement of total volume of particles in a liquid sample |
| 10/03/1978 | US4118780 Technique for monitoring flow rate differences in water cooling conduit |
| 07/18/1978 | US4100802 Liquid measuring device |
| 07/18/1978 | US4100801 Mass flow sensing system |
| 07/11/1978 | US4100234 Carburetor |
| 05/16/1978 | US4090179 System for monitoring flow rate difference in water cooling conduit |
| 11/08/1977 | US4056975 Mass flow sensor system |
| 11/01/1977 | US4056002 Component flow rate measurement in two-phase systems |
| 06/21/1977 | US4030357 Metering of fluid flows |
| 12/14/1976 | US3997838 Apparatus and method for measurement of total volume of particles in a liquid sample |