| 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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| 03/21/1990 | EP0359665A1 Device for fastening a water meter on a base, and method for same |
| 03/21/1990 | EP0359383A2 Electrostatic painting apparatus having optically sensed flow meter |
| 03/13/1990 | US4908783 Apparatus and method for determining liquid levels |
| 03/06/1990 | US4906165 Flow meter for a positive displacement pump |
| 02/20/1990 | US4901567 Shaft device for a bellows-type gas meter |
| 01/11/1990 | WO1990000248A1 A fluid flow meter |
| 01/09/1990 | US4891979 Gas meter having a synthetic diaphragm and molded housing |
| 01/04/1990 | DE3822360A1 Gas sample-taker (sampler) |
| 12/28/1989 | WO1989012804A1 Non-invasive meter calibrating arrangement |
| 12/20/1989 | CN1038158A 多功能组织细胞测氧器 Multifunction tissue Oximetry |
| 11/28/1989 | CA1263257A1 Apparatus for measuring fuel consumption |
| 11/16/1989 | WO1989010686A1 Automatic milk counter for milking installation |
| 11/16/1989 | WO1989010685A1 Device for automatically measuring the quantity of milk extracted by milking installation |
| 11/07/1989 | US4878454 Electrostatic painting apparatus having optically sensed flow meter |
| 10/04/1989 | EP0334874A1 Device for metering at least two flowable reaction components into a mixing chamber. |
| 09/27/1989 | EP0171403B1 Means for measuring milk obtained by milking |
| 09/26/1989 | US4869722 Flow monitor of liquid drops |
| 08/23/1989 | EP0329272A1 Gas meter |
| 08/22/1989 | US4859319 Device for measuring the quantity of ultrafiltrate eliminated during a dialysis treatment |
| 08/22/1989 | US4858466 Measuring apparatus of volume of an injected fluid |
| 08/15/1989 | US4856427 Ink metering assembly |
| 08/15/1989 | US4856331 Bellows-type gas meter |
| 08/09/1989 | EP0326581A1 Flowmeter for measuring volumetric flow. |
| 08/02/1989 | EP0326510A2 Method and apparatus for applying single or multicomponent materials |
| 08/02/1989 | EP0326380A1 Compensating method and device for instrumental error in rotary displacement flowmeter |
| 07/19/1989 | CN1004834B Piezoelectric vortex street flowmeter with wide temp.-range |
| 07/18/1989 | US4848164 Liquid flow meter |
| 07/18/1989 | US4848148 Cyclic motion detection arrangement |
| 07/05/1989 | EP0322981A2 Apparatus for determining rate of discharge from nozzle for spraying aqueous solution of hydrogen peroxide |
| 06/06/1989 | US4836021 Fluid flow meter |
| 05/16/1989 | US4830230 Hydraulically controlled portioner apparatus |
| 05/09/1989 | US4827767 Flow meter |
| 05/09/1989 | US4827766 Dual filter, drop based, digital raingauge |
| 04/18/1989 | US4822251 Vacuum pump having an rpm-measuring device |
| 04/12/1989 | EP0311238A1 Gas flow correction sensor |
| 04/11/1989 | US4820281 Drop volume measurement system |
| 03/28/1989 | US4815318 Bearing-less positive displacement flow meter |
| 03/15/1989 | CN1031759A Fluid flow indicator |
| 03/08/1989 | EP0305733A2 Fluid meter |
| 03/07/1989 | US4809549 Apparatus for metering, measuring, or dosing flowing media |
| 02/09/1989 | WO1989001087A1 Actuating device for a flap-valve distributor for a driving or receiving volumetric engine |
| 02/07/1989 | US4802362 Fluid flow sensor |
| 01/18/1989 | EP0299676A2 Fluid flow indicator |
| 01/17/1989 | US4798084 Measuring device for measuring a fuel injection quantity |
| 01/10/1989 | CA1248362A1 Mounting arrangement for a critical flow device |
| 11/22/1988 | US4785713 Driving device, in particular for a proportioning pump of the piston-flowmeter type |
| 11/03/1988 | WO1988008518A1 Method and apparatus for measuring the volume of a flowing liquid |
| 11/02/1988 | EP0289303A2 Liquid quantity determining apparatus and method |
| 11/02/1988 | EP0289172A2 Liquid quantity measuring apparatus and method |
| 11/02/1988 | EP0289165A1 Liquid quantity indicator |
| 11/01/1988 | US4781066 Linear sensing apparatus for positive displacement meter |
| 10/26/1988 | EP0288448A1 Method and apparatus for measuring the volum of a flowing liquid |
| 10/25/1988 | US4779459 Gas meter including a synthetic membrane |
| 09/21/1988 | EP0282510A1 Apparatus for monitoring flow of a fluid along a conduit |
| 09/07/1988 | EP0281126A1 Device for measuring or dosing flowing materials |
| 09/07/1988 | EP0280892A2 Vaccum pump with a device for counting the revolutions |
| 08/23/1988 | US4765185 Pivoting flap pump-flowmeter |
| 08/17/1988 | EP0278600A2 Mass flowmeter apparatus and method |
| 08/09/1988 | US4763114 Fluid flow indicator |
| 08/09/1988 | US4762004 Gas flowmeter and soap bubble generator |
| 06/23/1988 | EP0232263A4 Monitor for liquid level and urine flow. |
| 06/16/1988 | WO1988004412A1 Flowmeter for measuring volumetric flow |
| 06/16/1988 | WO1988004225A1 Device for metering at least two flowable reaction components into a mixing chamber |
| 06/16/1988 | DE3640343A1 Device for measuring quantities of milk for pipeline milking plants using the through-flow method on an electrical/electronic basis |
| 06/15/1988 | CN87107847A Device for measuring, pumping, suction or compression of liquids or liquefied gases |
| 06/09/1988 | DE3640558A1 Apparatus and process for determining the hydrogen consumption during hydrogenation |
| 06/01/1988 | EP0269165A2 Liquid flow meter |
| 05/31/1988 | US4747307 Liquid flow meter |
| 05/31/1988 | US4747306 Temperature compensating tangent assembly for a diaphragm gas meter |
| 05/19/1988 | DE3707164C1 Concertina-type gas meter |
| 05/05/1988 | DE3707163C1 Concertina-type gas meter |
| 05/05/1988 | DE3636599A1 Volumetric flow rate measuring device |
| 04/19/1988 | US4738136 Coupling for liquid meters |
| 04/12/1988 | US4736873 Self powered liquor metering pump |
| 04/12/1988 | US4736657 Adjusting tool |
| 03/30/1988 | CN87213476U Gas reserve indicator for liquified petroleum gas cylinder |
| 03/24/1988 | WO1988001729A3 Apparatus for monitoring flow of a fluid along a conduit |
| 03/10/1988 | WO1988001729A2 Apparatus for monitoring flow of a fluid along a conduit |
| 03/08/1988 | US4729238 Device for measuring the volume of a gas |
| 03/02/1988 | EP0257590A2 Linear sensing apparatus for positive displacement meter |
| 03/02/1988 | EP0257259A2 Driving shaft, especially for a diaphragm gas meter |
| 02/23/1988 | US4726237 Fluid metering apparatus and method |
| 02/16/1988 | US4726055 Gas meter with remote control for terminating supply of gas and related method |
| 01/20/1988 | EP0253309A2 Diaphragm gas meter |
| 01/12/1988 | US4718443 Mass flowmeter apparatus |
| 12/22/1987 | US4714998 Fuel injection system monitoring equipment |
| 11/25/1987 | EP0246721A1 Diaphragm gas meter |
| 11/25/1987 | CN87102222A Temperature compensating tangent assembly for diaphragm gas meter |
| 11/19/1987 | EP0245914A1 Temperature compensating tangent assembly for a diaphragm gas meter |
| 11/17/1987 | US4706496 Diaphragm gas meter |
| 11/17/1987 | CA1229238A1 Peak flow and pulmonary incentive meter |
| 11/11/1987 | CN87102221A Callibration system for mechanical gas volume corrector |
| 11/11/1987 | CN87102220A Index for gas meters |
| 10/28/1987 | EP0242937A2 Calibration system for mechanical gas volume corrector |
| 10/13/1987 | US4699576 Positive displacement device |
| 10/07/1987 | CN86101855A Piezoelectric vortex street flowmeter with wide temperature and its half free flush process |
| 09/16/1987 | EP0236405A1 Apparatus and process for measuring multi-phase mass fluid flow. |
| 09/08/1987 | US4691577 Soap film gas flowmeter |
| 08/19/1987 | EP0232263A1 Monitor for liquid level and urine flow |
| 08/18/1987 | CA1225535A1 Coupling for liquid meters |