Patents for G01F 7 - Volume-flow measuring devices with two or more measuring ranges; Compound meters (817) |
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01/31/2001 | CN1282417A Flowmeter |
12/27/2000 | EP1061849A1 Fluid flow probe and transducer |
11/22/2000 | CN2407331Y Accurate automatic oil-gas-water flowmeter |
11/22/2000 | CN2407330Y High accurate automatic oil-water flowmeter |
10/04/2000 | EP1041367A1 Flowmeter |
09/07/2000 | DE19906632A1 Method for monitoring flow speeds using calorimetric flow sensor by reducing heat action in proximity of the heated area as result of reduced volume exchange of flowing medium due to interaction of cylinder |
08/03/2000 | WO2000044666A1 Metering means for fuel pumps |
07/12/2000 | CN1260039A Gasmeter |
06/27/2000 | US6079627 Method and apparatus for measuring airflows in HVAC systems |
06/27/2000 | US6079263 Compound water meter having impeller rotatably supported between main meter measuring and switch-over valve insets |
05/31/2000 | DE19839958C1 Durchflußmeßgerät Flowmeter |
05/31/2000 | DE19839952C1 Durchfluß-Meßvorrichtung Flow-measuring apparatus |
05/25/2000 | DE19839954C1 Durchflußmesser Flowmeter |
05/23/2000 | US6065492 Gas mass flow metering valve |
05/17/2000 | EP1000323A1 Gasmeter |
05/04/2000 | DE19839956C1 Fehlerdetektor für Leitungssysteme Error detection for piping systems |
03/29/2000 | CN1050902C Complex water meter |
03/16/2000 | WO2000014491A1 Flow measuring device |
03/16/2000 | WO2000014490A1 Flowmeter |
03/16/2000 | WO2000014488A1 Fault detector for pipings |
03/16/2000 | WO2000014487A1 Flow measuring arrangement |
01/12/2000 | EP0971211A2 Exhaust gas sampling method using a flow rate detector with variable Venturi |
01/12/2000 | EP0529053B1 Delivery of aerosol medications for inspiration |
01/11/2000 | US6012483 Switch-over valve having pivot axle articulated closure wings |
01/11/2000 | CA2147619C Method and apparatus for measuring the flow rate of a medium flow |
12/02/1999 | WO1999061872A1 Compound water meter |
12/02/1999 | DE19823310A1 Verbundwasserzähler Composite water meter |
11/24/1999 | EP0959330A2 Transmitting system for a positive displacement flowmeter |
11/16/1999 | US5983700 Calibration method of a flow sensor output |
11/09/1999 | CA2047735C Flowmeter |
10/21/1999 | DE19914576A1 Enlarging measuring range of vol. flow meter units for fluid with throttle orifice so that flowing fluid pressure before and after valve is measured and pressure difference is converted to signal |
09/30/1999 | WO1999049284A1 Method and apparatus for measuring airflows in hvac systems |
09/16/1999 | WO1999045840A1 Fluid flow probe and transducer |
06/30/1999 | CN1221107A Combined water meter |
06/24/1999 | WO1999031467A1 Flowmeter |
06/24/1999 | CA2310050A1 Flowmeter |
06/23/1999 | EP0923711A1 Fluid flow measurement device |
03/09/1999 | US5880378 Critical flow venturi with variable and continuous range |
03/03/1999 | EP0899545A1 Compound water meter |
02/11/1999 | WO1999006800A1 Gasmeter |
02/09/1999 | US5869758 Method and apparatus for measuring the flow rate of a medium flow |
01/27/1999 | CN2305658Y Water meter chamber |
01/19/1999 | US5861556 Flowmeter |
01/19/1999 | US5861546 Intelligent gas flow measurement and leak detection apparatus |
12/30/1998 | CN1203357A Combined water-meter |
12/10/1998 | DE19736812C1 Composite water meter |
11/17/1998 | US5837904 Flowmeter tubes and method of installing them |
11/03/1998 | US5831158 Combination water meter |
10/28/1998 | EP0874226A1 Compound water meter |
10/27/1998 | US5826570 Hand held device for delivering aerosolized medication to a patient |
10/21/1998 | EP0872716A1 Compound water flow meter |
09/29/1998 | US5813397 Delivery of aerosol medication for inspiration |
06/18/1998 | DE19651202A1 Combined water meter |
04/28/1998 | US5743252 Method for releasing controlled amount of aerosol medication |
04/21/1998 | US5741977 High void fraction multi-phase fluid flow meter |
03/18/1998 | EP0649515B1 Flowmeter |
03/12/1998 | WO1998010250A1 Fluid flow measurement device |
01/28/1998 | EP0821221A2 Compound water meter |
10/02/1997 | DE19615857C1 Precision air flow quantity dosing device for internal combustion engine |
10/01/1997 | EP0798008A2 Flowmeter tubes and method of installing them |
09/09/1997 | US5665923 Full range-high accuracy air flow sensing device |
08/12/1997 | US5655516 Delivery of aerosol medications for inspiration |
06/19/1997 | DE19546927A1 Measuring unit with sensor selectively insertable in connection tube of tube part |
05/07/1997 | EP0772026A2 Improved gas mass flow metering valve |
04/10/1997 | DE19616330C1 Combined water meter for large and small flow rates |
04/03/1997 | DE19633416A1 Vol. flow and density measurement device for gases and liquids |
03/19/1997 | EP0763718A1 Flowmeter |
03/19/1997 | EP0670034B1 Method and apparatus for measuring the flow rate of a medium flow |
03/04/1997 | US5608647 Method for releasing controlled amount of aerosol medication |
12/31/1996 | US5589642 High void fraction multi-phase fluid flow meter |
11/19/1996 | US5576486 Electronic flowmeter system with a stopper against undesirable flows, leak detector and bypass for measuring low flows |
09/18/1996 | CN1131274A High void fraction multi-phase fluid flow meter |
09/10/1996 | US5554805 Flowmeter with a variable constriction |
08/06/1996 | US5542410 To a patient for inspiration |
07/09/1996 | US5533412 Pulsed thermal flow sensor system |
05/21/1996 | US5517855 Combined water meter |
03/26/1996 | CA2082168C Delivery of aerosol medications for inspiration |
03/20/1996 | EP0702211A2 A high void fraction multi-phase fluid flow meter |
12/14/1995 | WO1995033979A1 Flowmeter |
11/28/1995 | US5469750 Method and apparatus for sensing flow in two directions and automatic calibration thereof |
10/19/1995 | DE4412683A1 Compound watermeter with automatic flowrate discrimination |
09/20/1995 | CN1108761A Complex water meter |
09/12/1995 | US5450336 Method for correcting the drift offset of a transducer |
09/06/1995 | EP0670034A1 Method and apparatus for measuring the flow rate of a medium flow. |
08/30/1995 | EP0669520A1 Volume flow meter |
08/23/1995 | EP0668487A1 Compound water meter |
06/08/1995 | WO1995015481A1 Method of and apparatus for measuring sewage water discharge of gravitational sewerage channels |
06/07/1995 | EP0656527A1 Compound flow meter and leak detector system with a valve that is shut under abnormal flow conditions |
05/24/1995 | DE4403178C1 Vol. flow meter |
04/26/1995 | EP0649515A1 Flowmeter |
04/11/1995 | US5404871 Delivery of aerosol medications for inspiration |
04/11/1995 | US5404758 Flowmeter for determining flowing mediums |
03/25/1995 | CA2106935A1 Fluid flow control system |
03/08/1995 | EP0642001A2 Positive displacement flowmeter |
03/07/1995 | US5394866 Automatic aerosol medication delivery system and methods |
02/28/1995 | US5392768 Method and apparatus for releasing a controlled amount of aerosol medication over a selectable time interval |
01/19/1995 | WO1995002164A1 Pulsed thermal flow sensor system |
01/11/1995 | EP0632882A1 Flow circuit and flow meter |
01/03/1995 | US5377524 Self-testing capacitive pressure transducer and method |
08/23/1994 | US5339695 Fluidic gas flowmeter with large flow metering range |