Patents
Patents for G01F 15 - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus (11,880)
06/1991
06/13/1991CA2069624A1 Flowmetering apparatus
06/12/1991EP0431222A1 Apparatus for measuring gaz consumption
06/06/1991DE3939646A1 Filter tube gas throughput measuring appts. for dust filtration system - has measurement connector, pref. with Venturi measurement insert
06/05/1991EP0320508B1 Improved parallel path coriolis mass flow meter
06/05/1991CA2031323A1 Gas consumption measuring device
05/1991
05/29/1991DE4005860C1 Water meter internal cladding - comprises thixotropic mixt. of epichlorohydrin based epoxy! resin and bisphenol=A or -F, with poly:amine liq.
05/28/1991US5018385 I.C. engine airflow meter having speed-based automatic gain control
05/22/1991EP0428422A2 Method and apparatus for measurements related to fluid flow in a borehole
05/16/1991WO1991006832A1 A gas flow measuring system
05/16/1991WO1991006831A1 Gas flow meter housing
05/16/1991DE3942857C1 Petrol pump with rotating piston measurer - driving light-interrupting disc for control generating light pulses for price calculator
05/16/1991DE3937521A1 Mounting for fitting part into matching wave aperture - has stiff, elastically deformable ring with slot and radial projection
05/14/1991US5014550 Method of processing mass air sensor signals
05/02/1991EP0425328A1 Procedure and apparatus for calibrating a liquid volume meter
04/1991
04/30/1991US5010767 Modular device for measuring the volumetric flow rate of a liquid, particularly a lubricant fluid, in a hydraulic circuit
04/18/1991DE3933787A1 Temp. compensation arrangement for bellows gas meter - has temp. dependent arrangement varying transmission ratio by regulating distance between variable coupling plates
04/18/1991DE3932735A1 Arrangement for detecting flow quantities in gas meters - has flow driven element with alloy wire moved past sensor coil in static magnetic field
04/17/1991EP0422317A1 Apparatus for detecting fluid currents through a conduit
04/16/1991US5007453 Fluid flow control device
04/16/1991US5007293 Two-phase flow meter
04/11/1991DE3932717A1 Gas meter connecting armature - has two coaxial bushes with connecting line to through bush at 45 deg. via connection to domestic system
04/11/1991DE3932716A1 Gas meter connection armature - has double bushes connected by crossed-web bar with bores for mounting orthogonally w.r.t. connecting bar axis
04/11/1991DE3932304A1 Controlling temp. of measurement resistance - is for measuring engine induced air flow, involves heating above operating temp. during no-flow phases
04/02/1991US5003821 Meter box or meter yoke expansion mechanism
03/1991
03/19/1991US5000041 Control apparatus for turbine-type flow meter
03/19/1991US5000031 Modified gas gauge
03/12/1991CA1281202C Flowmeter with electronically adjustable measurement module and display
03/07/1991WO1991002948A1 Combined separator and sampler
03/07/1991DE3929381A1 Combination water meter for large and small flows - has changeover valve for Woltmann meter and auxiliary meter operated according to flow rate
03/06/1991EP0415476A2 Metering arrangement
03/06/1991CN2072675U Oil-selling unit
03/05/1991US4996888 Fluid flowmeter
03/05/1991CA1280912C On line replaceable sensor assembly for a vortex shedding flowmeter
02/1991
02/27/1991EP0414177A2 Pulse generating device for a water meter
02/26/1991WO1991002947A1 Device for measuring the flow of a gas containing particulates
02/26/1991US4995643 Device for fixing a water meter on to a base and method relating thereto
02/26/1991CA2039735A1 Device for measuring the flow of a gas containing particulates
02/19/1991US4994984 System and device for supplying desired liquid volumes by means of a metering pump in variable flow rate condition
02/19/1991US4993261 Flowmeter with boundary layer control
02/19/1991US4993260 Universal expansion connection and integral lock
02/14/1991DE3926160A1 Electronic meter for amt.-measuring pulses - has pulse generator driven by mechanical measuring counter, real=time clock and EPROM(s)
02/13/1991CN2071330U Electric generator type water meter
02/08/1991WO1991002224A1 Dust deflector for silicon mass airflow sensor
02/08/1991CA2060188A1 Dust deflector for silicon mass airflow sensor
02/05/1991CA2022534A1 Flow-meter data collection and processing system
01/1991
01/29/1991CA1279715C Gas shutoff apparatus
01/22/1991US4987549 Temperature compensated flowmeter techniques
01/22/1991US4987297 Method and apparatus for automatically reading a mechanical fluid meter
01/22/1991CA1279208C Device for tamperproofing a consumption meter
01/17/1991DE3923048A1 Water meter with measurement mechanism in beaker container - has lid secured by cheaply replaceable element sheared off by excessive internal forces
01/15/1991US4984460 Mass flowmeter
01/15/1991CA1278931C Tamperproof water meter
01/08/1991US4982610 Device for measuring the flow of a gas containing particulates
01/08/1991US4982602 Internal combustion engine
01/03/1991DE3920929A1 Measuring device for fermented beer - measures accurate liq. flow by measuring pressure and flow upstream and downstream of back-pressure valve
01/01/1991US4981035 Internal combustion engine
12/1990
12/27/1990WO1990015970A1 Automated flow rotameter
12/22/1990WO1990015971A1 Opto-electronic pick-up for energy consumption counter
12/19/1990CN2067822U Sealed magnetic transmission retarding mechanism
12/18/1990CA1277873C Security devices
12/13/1990WO1990015014A1 Water closet tank fill valve
12/11/1990US4977391 Safety device for a distributor member connected to a distributed product totalizing element
12/11/1990US4976134 Modified gas gauge
12/04/1990US4974452 Homogenizing and metering the flow of a multiphase mixture of fluids
11/1990
11/29/1990WO1990014304A1 Dispensing machine
11/22/1990EP0398312A2 Moisture resistant laminated cover, its production and its use in an electronic utility meter
11/22/1990DE4015757A1 Fernablese- und abschaltvorrichtung fuer haushaltsgaszaehler Fernablese- and disconnect device haushaltsgaszaehler
11/15/1990WO1990013765A1 Safety valve
11/15/1990DE3915545A1 Continuous vol. measurer for liquids of low viscosity and gases - comprises displacement counter magnetic coupling and servomotor with pulse scanning
11/13/1990US4969365 Method and apparatus for measuring the volume of a flowing liquid
11/07/1990EP0396361A2 Ultrasonic linear meter sensor for positive displacement meter
11/07/1990EP0395721A1 Control and detection circuitry for mass airflow sensors.
11/06/1990US4967788 Water flow meter resetter
11/03/1990CA2015486A1 Ultrasonic linear meter sensor for positive displacement meter
11/03/1990CA2007146A1 Gas flow meter
10/1990
10/30/1990US4966198 Metering arrangement
10/28/1990CA2015662A1 Safety valve
10/24/1990EP0393859A1 Turbine gas flow meter
10/24/1990EP0393294A1 Volume flow counter
10/09/1990US4961348 Flowmeter fluid composition correction
10/03/1990EP0389725A2 Passive flowmeter for determining the flow rate and the direction of flow in a well
10/02/1990US4959990 Combined mass flow/pitot tube meter
09/1990
09/27/1990DE4008844A1 Volumetric counter with oscillating annular piston - has electronic module with lock for each receiver to prevent pulse counting
09/26/1990EP0388426A1 Flowmeter
09/19/1990CN2062437U Electric remote transmit glass rotor flowmeter
09/12/1990CN2062040U Dry type high pressure water meter
09/11/1990US4956795 Signal conditioners
09/05/1990EP0385501A2 Constant feed water device
09/04/1990US4953403 Positive displacement flushable flow meter
08/1990
08/28/1990US4951700 Equipment for measuring the yield of oil wells
08/22/1990EP0383585A1 Fluid flow volumetric determination apparatus and method
08/21/1990US4949577 Metering assembly for tank truck/trailer
08/14/1990CA2009939A1 Fluid flow volumetric determination apparatus and method
08/08/1990EP0380591A1 Fiber/resin composites, and method of making the same.
08/07/1990US4947247 Displacement measurement apparatus and method for an automated flow rotameter
08/01/1990EP0379502A1 Multi-phase flowmeter.
07/1990
07/10/1990US4940976 Automated remote water meter readout system
07/10/1990US4939931 Residential water meter with integral fire hydrant
07/03/1990US4938054 Ultrasonic linear meter sensor for positive displacement meter
06/1990
06/28/1990WO1990007100A1 Process and device for measuring the flow rate of the liquid and gaseous phases of a flowing diphasic fluid