| Patents for G01F 3 - Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow (2,299) |
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| 06/23/1992 | US5124933 Method and apparatus for determining a quantity of liquid in a tank when at least one sensor is inoperative |
| 06/22/1992 | WO1992011511A1 Electrically neutral flow measurement system |
| 06/22/1992 | CA2076550A1 Electrically neutral flow measurement system |
| 06/17/1992 | EP0471076A4 Device for determining yield of a milking installation |
| 06/03/1992 | CN1016897B Flow indicator for hulsating liquid |
| 05/31/1992 | CA2056733A1 Gear pump for a metered liquid dispensing system |
| 05/29/1992 | WO1992008957A1 Pump controller using acoustic spectral analysis |
| 05/19/1992 | US5114323 Nutator bearing assembly |
| 04/21/1992 | US5105911 Gas meter counter unit lubrication system |
| 04/15/1992 | EP0326581B1 Flowmeter for measuring volumetric flow |
| 03/31/1992 | US5099687 Electrically neutral flow measurement system |
| 03/24/1992 | US5098666 Hydraulic chambers with hermetic seals, feeder pipes, storage containers and controllers |
| 03/12/1992 | DE4028734A1 Fluid dispenser module(s) for motor vehicles - has integral electronic controlwith display, card reader, memory and interface(s) for hydraulic module(s)and power section |
| 03/12/1992 | DE4028029C1 Liquid measuring and dispensing device e.g. for food or chemicals - has controller which alternately connects each two cylinder working chambers with liquid feed and return according to shaft rotation |
| 03/10/1992 | US5094106 Liquid meter for fuel pumps |
| 02/26/1992 | EP0471865A1 Positive displacement flowmeter |
| 02/19/1992 | EP0471076A1 Device for determining yield of a milking installation |
| 02/18/1992 | US5089144 Filter condition indicator having moveable sensor and aggregate flow counter |
| 01/30/1992 | DE4023835A1 Dosage arrangement for liq. fed by differential pressure - has dosage cylinder contg. light membrane dividing it into variable vol. chambers |
| 01/14/1992 | US5080040 Milking plant |
| 12/12/1991 | DE4017490A1 Precision measurement of gas quantity - using measurement tube contg. piston and measurement of equilibrium pressure required to move piston at constant speed |
| 12/11/1991 | EP0460864A1 Vapor recovering device for volatile liquid dispensing apparatus |
| 12/05/1991 | DE4017659A1 Vehicle brake fluid handling appts. - has delivery unit with spare fluid container, measuring device and used fluid receiver |
| 12/03/1991 | US5069067 Fluid flow meter |
| 11/26/1991 | US5068074 Method for making synthetic membranes for a gas meter |
| 11/19/1991 | US5065903 Fluid delivery system for controlling fluid flow |
| 10/30/1991 | CN2087774U Microgas accumulative flowmeter |
| 10/24/1991 | DE4012926A1 Fuel pump delivering fuel or fuel-oil mixture - separately meters delivered fuel and added oil |
| 10/08/1991 | US5056036 Computer controlled metering pump |
| 09/24/1991 | US5051909 Method and means for determining exhaust backpressure in a crankcase scavenged two-stoke engine |
| 09/19/1991 | DE4005908A1 Bellows gas meter membrane esp. for domestic meter - has ring region with strengthening rib for uncontrolled crease prevention |
| 09/18/1991 | EP0446538A1 Device and method for fastening a water meter to a base |
| 09/17/1991 | US5050094 Compensating method and device for instrumental error in rotary displacement flowmeter |
| 09/17/1991 | US5048323 Fluid metering |
| 09/10/1991 | US5047950 Method and an apparatus for measuring the flow in oscillating displacement pumps |
| 09/05/1991 | DE4006508A1 Gas measurement arrangement for reaction system - counts number of tilts of container divided into two gas collection chambers |
| 08/07/1991 | EP0440320A1 Pumping system |
| 07/31/1991 | EP0439070A1 Automatic power generation type flowmeter |
| 07/25/1991 | WO1991010356A1 Device for determining yield of a milking installation |
| 07/24/1991 | EP0334874B1 Device for metering at least two flowable reaction components into a mixing chamber |
| 07/03/1991 | EP0406426A4 Device for automatically measuring the quantity of milk extracted by milking installation |
| 07/02/1991 | US5027654 Volumetric meter for liquids and/or gases |
| 07/02/1991 | US5027653 Flowmeters having rotors with grooved bores and lands |
| 06/20/1991 | DE3941430A1 Measurement and dispensing appts. for various media - has piston unit with medium reservoir and displacement sensor feeding valve controller |
| 06/18/1991 | US5024085 Signal pickup mechanism |
| 05/29/1991 | EP0429365A1 Device for distributing liquid in at least two directions |
| 05/21/1991 | US5016569 Automatic milk counter of milking unit |
| 05/16/1991 | DE3942857C1 Petrol pump with rotating piston measurer - driving light-interrupting disc for control generating light pulses for price calculator |
| 04/30/1991 | US5010767 Modular device for measuring the volumetric flow rate of a liquid, particularly a lubricant fluid, in a hydraulic circuit |
| 04/25/1991 | DE3935333A1 Meteorological precipitation measurement appts. with weighing vessel - turned by stepper motor for emptying with auxiliary vessel collecting precipitation falling during emptying |
| 04/21/1991 | WO1991006062A1 Computer controlled metering pump |
| 04/18/1991 | DE3933787A1 Temp. compensation arrangement for bellows gas meter - has temp. dependent arrangement varying transmission ratio by regulating distance between variable coupling plates |
| 04/02/1991 | US5004159 Method and apparatus for applying single of multicomponent materials |
| 03/20/1991 | EP0417984A1 Method and apparatus for determining engine exhaust backpressure |
| 03/13/1991 | EP0416163A1 Apparatus for correcting errors due to the construction of a flow meter having movable partitions |
| 03/13/1991 | CN1011996B Fluid flowmeter |
| 03/07/1991 | DE4027913A1 Test arrangement for combustion engine diesel engine - measures quantity of fuel delivered to combustion chambers and counts injection pulses |
| 03/05/1991 | US4996888 Fluid flowmeter |
| 03/05/1991 | US4996870 Apparatus and method for proving gas meters and improved sensor therefor |
| 03/05/1991 | CA1280911C Fluid flow sensor |
| 02/26/1991 | US4995643 Device for fixing a water meter on to a base and method relating thereto |
| 02/19/1991 | US4993262 Apparatus for monitoring flow of a fluid along a conduit |
| 02/05/1991 | US4989445 Apparatus for automatically metering milk drawn by a milker |
| 01/15/1991 | US4984461 Fluid flow sensor |
| 01/09/1991 | EP0406426A1 Device for automatically measuring the quantity of milk extracted by milking installation |
| 12/20/1990 | DE3919859A1 Measuring liq. flow rate - by counting drops and processing data from counting sensor |
| 11/28/1990 | EP0399489A2 A measuring diaphragm for gasmeter, a method of preparation thereof and a gasmeter utilizing it |
| 11/28/1990 | EP0236405B1 Apparatus and process for measuring multi-phase mass fluid flow |
| 11/20/1990 | US4972180 Apparatus for determining rate of discharge from nozzle for spraying aqueous solution of hydrogen peroxide |
| 11/14/1990 | EP0396953A1 A simplified kinematic motion for aeriform meters with measuring chambers provided with diaphragms |
| 11/13/1990 | US4969365 Method and apparatus for measuring the volume of a flowing liquid |
| 11/07/1990 | EP0396361A2 Ultrasonic linear meter sensor for positive displacement meter |
| 11/03/1990 | CA2015486A1 Ultrasonic linear meter sensor for positive displacement meter |
| 11/03/1990 | CA2007146A1 Gas flow meter |
| 10/24/1990 | EP0393294A1 Volume flow counter |
| 10/24/1990 | EP0381762A4 Automatic milk counter for milking installation |
| 10/10/1990 | EP0390934A2 Gas meter |
| 10/09/1990 | US4961519 Lime feeder |
| 09/27/1990 | DE4008844A1 Volumetric counter with oscillating annular piston - has electronic module with lock for each receiver to prevent pulse counting |
| 09/07/1990 | WO1990010197A1 Sensor for determining the volume of liquid or gaseous media |
| 09/05/1990 | EP0385539A2 A milking plant |
| 09/04/1990 | US4953403 Positive displacement flushable flow meter |
| 09/04/1990 | CA1273533A1 Fluid flow indicator |
| 08/22/1990 | EP0382818A1 A fluid flow meter. |
| 08/16/1990 | EP0381762A1 Automatic milk counter for milking installation |
| 08/14/1990 | US4947892 Liquids metering device |
| 08/07/1990 | US4945754 Test water meter with digital display |
| 07/03/1990 | US4938054 Ultrasonic linear meter sensor for positive displacement meter |
| 06/19/1990 | US4935084 Method of making a gas meter having a synthetic membrane |
| 05/30/1990 | EP0370253A1 Modular device for measuring the volumetric flow rate of a liquid, particularly a lubricant fluid, in a hydraulic circuit |
| 05/15/1990 | CA1269007A1 Monitor for liquid level and urine flow |
| 05/01/1990 | US4920794 Fluid flow meter |
| 04/17/1990 | US4916949 For measuring volume flow of gas at high pressures |
| 04/11/1990 | CN1041218A Device for fixing a water meter onto a base and method relating thereto |
| 04/10/1990 | US4915264 Portion control apparatus |
| 04/05/1990 | DE3833035A1 Bellows gas meter |
| 03/27/1990 | US4911622 Nutator bearing assembly |
| 03/27/1990 | US4911010 Fluid flowmeter |
| 03/22/1990 | WO1990002877A1 Flow meter for a positive displacement pump |
| 03/22/1990 | DE3930798A1 Gasmessgeraet Gas meter |