| Patents for G01F 9 - Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine (1,467) |
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| 06/22/1999 | US5913917 Fuel consumption estimation |
| 06/16/1999 | CN1220005A Fuel delivery measurement system with automatic pump matching |
| 03/24/1999 | EP0903712A2 Display system for vehicle to display the extent of range |
| 03/23/1999 | US5885067 Method for displaying a possible remaining time of a combustion operation in a combustion appliance and apparatus therefor |
| 12/15/1998 | US5850458 Apparatus and method for actively reducing noise in vehicular passengers compartment |
| 12/08/1998 | US5847273 Method and device for determining the delivered volume of a batch or lot of bulk material |
| 11/19/1998 | DE19720125A1 Level gauge for liquids in vehicle or aircraft tanks |
| 11/10/1998 | US5835879 Apparatus and method for indicating aircraft fuel efficiency |
| 11/04/1998 | CN2296520Y Oil quantity precision indicator for automobile fuel |
| 11/03/1998 | US5831174 Pump station flowmeter |
| 09/24/1998 | DE19755470A1 Anzeigesystem für Fahrzeuge Display system for vehicles |
| 09/22/1998 | US5811674 Coolant safety system for welding apparatus |
| 09/03/1998 | WO1998038059A1 Motor vehicle display system |
| 07/29/1998 | EP0855579A1 Method for determining the fuel consumption of a motor vehicle |
| 04/29/1998 | EP0838667A2 Method and device for determining the volume of a batch of material, such as cultivation substrates or auxiliary materials |
| 04/22/1998 | CN2279591Y Oil quantity display device for motorcycle |
| 04/22/1998 | CA2218652A1 Method and device for determining the delivered volume of a batch or lot of bulk material |
| 04/01/1998 | CN2277514Y Three-phase flow measuring unit for oil, gas and water |
| 03/18/1998 | EP0828996A1 Display unit for data dependent on a vehicle's energy consumption |
| 01/15/1998 | WO1997044578A3 Fuel delivery measurement system with automatic pump matching |
| 01/13/1998 | US5708201 For a fuel injection system |
| 12/18/1997 | WO1997047489A1 Apparatus for diagnosing self-travelling vehicle |
| 12/18/1997 | DE19623734A1 Fuel metering system for internal combustion (IC) engine |
| 12/03/1997 | EP0809754A1 Optimization control for gas engines with a three-way catalyst |
| 12/02/1997 | US5693876 Fuel economy display for vehicles |
| 11/27/1997 | WO1997044578A2 Fuel delivery measurement system with automatic pump matching |
| 11/11/1997 | US5686895 Display unit for automobiles |
| 10/02/1997 | WO1997036152A1 Display unit for data dependent on a vehicle's energy consumption |
| 10/02/1997 | DE19612062A1 Anzeigeeinheit für vom Energieverbrauch eines Fahrzeuges abhängige Daten Display unit is dependent on the energy consumption of a vehicle data |
| 09/24/1997 | CN1160148A Method for displaying possible remaining time of combustion operation in combustion appliance and apparatus therefor |
| 09/17/1997 | EP0795739A2 Tank indicator and method for determining the residual volume in a tank |
| 09/16/1997 | US5668310 Vehicle fuel usage tracking device |
| 09/04/1997 | DE19605458C1 Vehicular navigation with route selection related to fuel consumption |
| 08/27/1997 | CN2261015Y Digital gasoline meter for automobile |
| 07/29/1997 | US5652378 Fuel consumption estimating method |
| 07/10/1997 | DE19600495A1 Vehicle fuel consumption indicator |
| 06/04/1997 | EP0690981B1 Vibrating tube densimeter |
| 01/28/1997 | US5597960 Pump station flowmeter |
| 01/07/1997 | US5590632 Apparatus for computing the amount of intake air in internal combustion engine |
| 11/26/1996 | US5578748 Method and system for calculating effective fuel economy |
| 09/17/1996 | US5555870 Method and apparatus for sensing air flow into a cylinder of internal combustion engine and method and apparatus for controlling fuel of the internal combustion engine arranged to use the method and apparatus |
| 08/22/1996 | WO1996025594A1 Optimization control for gas engines with a three-way catalyst |
| 08/20/1996 | CA2061892C Supplying fluid |
| 08/06/1996 | US5542292 Method and device for monitoring a secondary-air system of a motor vehicle |
| 07/02/1996 | US5531125 Method and device for simultaneously measuring the flow speed and the depth of a river |
| 05/29/1996 | CN2228223Y Tracking oil consumption meter |
| 05/15/1996 | EP0711981A2 Consumption determination for a fuel cell automobile |
| 04/30/1996 | US5511411 Oil consumption meter |
| 04/11/1996 | DE19537024A1 Haulage contractor freight vehicles IC engine fuel consumption monitoring system |
| 04/09/1996 | US5505076 Vehicle fuel usage tracking device |
| 03/28/1996 | DE4434455A1 Determining specific operating characteristic values of machine esp. IC engine |
| 03/20/1996 | EP0702214A1 Process for the measurement of fuel consumption of motor vehicles |
| 01/17/1996 | EP0692701A2 Device for measuring fuel injection quantities |
| 01/17/1996 | CN2217789Y Easy-to-maintain abrasion-less fuel consumption metering instrument for engine |
| 01/10/1996 | EP0690981A1 Vibrating tube densimeter |
| 11/22/1995 | EP0683382A2 Method and system for calculating effective fuel economy |
| 11/02/1995 | DE19515769A1 Active noise reduction in cabin of car |
| 09/14/1995 | DE19508505A1 Induction air quantity computation appts. for cylinder of IC engine |
| 08/31/1995 | DE4429234A1 Vehicle engine oil consumption measurement and warning |
| 08/29/1995 | US5445018 System and method for measuring the rate of fuel comsumption of an internal combustion engine |
| 06/28/1995 | EP0659986A1 Method to monitor a secondary air system relating to the exhaust gas system of a motor vehicle |
| 05/04/1995 | DE4336813A1 Device for load detection in an internal combustion engine |
| 04/18/1995 | US5406840 Supplying fluid |
| 01/31/1995 | US5385056 Pump station flowmeter |
| 01/12/1995 | DE4322281A1 Device for load detection in an internal combustion engine |
| 11/24/1994 | DE4316974A1 Device for measuring the consumption of liquids |
| 10/26/1994 | EP0474711B1 Process for determining the combustion air mass in the cylinders of an internal combustion engine |
| 10/19/1994 | EP0619874A1 Pump station flowmeter with high frequency detector |
| 09/29/1994 | WO1994021999A1 Vibrating tube densimeter |
| 08/18/1994 | WO1994018527A1 Non-invasive fuel consumption meter |
| 08/12/1994 | CA2089328A1 Oil consumption meter |
| 06/07/1994 | US5319545 System to monitor multiple fuel dispensers and fuel supply tank |
| 05/31/1994 | CA2020057C Method and means for determining exhaust backpressure in a crankcase scavenged two-stroke engine |
| 05/24/1994 | US5313842 Pump station flowmeter with sudden high inflow change detector |
| 05/04/1994 | EP0277240B1 Apparatus for measuring the amount of the air intaken by the engine |
| 04/05/1994 | US5301113 Electronic system and method for calculating distance to empty for motorized vehicles |
| 03/15/1994 | US5295084 Vibrating tube densimeter |
| 02/08/1994 | US5284120 Fuel consumption measuring device |
| 02/02/1994 | EP0581633A1 Device for measuring fuel consumption for automobile engines |
| 12/28/1993 | US5273134 Oil consumption measurement system for internal combustion engine |
| 12/14/1993 | US5270684 Oil consumption counter |
| 11/10/1993 | CN2145983Y Automobile fuel gauge |
| 10/26/1993 | US5256848 Apparatus for working by lasser, especially for the decontamination of a pipe of a nuclear reactor |
| 09/29/1993 | CN2142963Y Accumulating device for fuel-oil flow |
| 07/08/1993 | WO1993013389A1 Pump station flowmeter with high frequency detector |
| 06/30/1993 | EP0548538A1 Transition metal decontamination process |
| 06/08/1993 | US5217585 Transition metal decontamination process |
| 04/27/1993 | US5205161 Fuel consumption measurement system |
| 04/27/1993 | US5205160 Device for measuring the consumption of fuel in an internal combustion engine |
| 04/15/1993 | DE4133542A1 Stationary measurement device for monitoring internal combustion engine fuel consumption - has vertical measurement tube with e.g. differential pressure transducer at lower end |
| 04/01/1993 | DE4123355A1 Vehicular IC engine fuel consumption and torque determination - using microprocessor to calculate parameters from measurements of acceleration and retardation during alternate clutch-slipping and full-throttle braking. |
| 02/04/1993 | DE4125589A1 Measuring specific fuel consumption and torque of motor vehicle IC engine - setting engine speed at full throttle by braking then idling while measuring average consumption and crankshaft acceleration |
| 10/25/1992 | CA2057346A1 Fluid metering apparatus |
| 10/22/1992 | DE4112981A1 Wt. measuring arrangement for flowing, gaseous medium, esp. in IC engine air induction system - has hot film air mass sensor in by=pass channel opening in min. cross=section region of venturi section |
| 09/23/1992 | EP0505042A1 Supplying fluid |
| 09/22/1992 | US5148702 Fuel consumption rate detecting apparatus for a vehicle |
| 08/26/1992 | EP0500192A2 Suction air amount measuring device for an engine |
| 08/25/1992 | US5140850 Process for determining the combustion air mass in the cylinders of an internal combustion engine |
| 08/11/1992 | US5137046 Fluid metering apparatus |
| 06/24/1992 | EP0491275A1 Device and method for the continuous diagnosis of the forced-induction unit of forced-induction internal-combustion engines |