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Class Information
Number: 73/198
Name: Measuring and testing > Volume or rate of flow > Combined
Description: Volume or rate of flow meters combined with structures other than meters and not otherwise classifiable.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552643 |
Device and system for corrosion detection |
Jun. 30, 2009 |
| 7477997 |
Method for ascertaining interferants in small liquid samples in an automated clinical analyzer |
Jan. 13, 2009 |
| 7367230 |
Flow rate detector and flow controller |
May. 6, 2008 |
| 7341097 |
Coolant sensor and bleed valve |
Mar. 11, 2008 |
| 7266467 |
Method to calibrate hydraulic flow valves in situ |
Sep. 4, 2007 |
| 7258001 |
Ventilation mast monitoring system for filling stations |
Aug. 21, 2007 |
| 7021145 |
Acoustic transducer |
Apr. 4, 2006 |
| 6993985 |
Method and device for fluid sampling |
Feb. 7, 2006 |
| 6804613 |
Electromagnetic flowmeter |
Oct. 12, 2004 |
| 6721674 |
Method and apparatus for in-situ calibration of quantity measurement of a fluid flowing in a channel |
Apr. 13, 2004 |
| 6371147 |
Evaluation and regulation of the thermal power of a flow of combustible gas; characterization of a thermal mass flowmeter |
Apr. 16, 2002 |
| 6293298 |
Water softener valve |
Sep. 25, 2001 |
| 6149515 |
Combination moisture elimination louver and air flow sensor and method |
Nov. 21, 2000 |
| 6109100 |
Pressure-or flow-sensitive feeding monitor |
Aug. 29, 2000 |
| 6021660 |
Flexible fixture for locating different types of mass air flow sensor assemblies |
Feb. 8, 2000 |
| 5962780 |
Measuring device |
Oct. 5, 1999 |
| 5948447 |
Apparatus for product recovery of polyolefings |
Sep. 7, 1999 |
| 5927400 |
Device and method for the adjustment of the flow rate of a liquid, with closed loop control |
Jul. 27, 1999 |
| 5922969 |
Method and apparatus for measuring the volume of flowing liquids |
Jul. 13, 1999 |
| 5841027 |
Piezoelectric flow transducer |
Nov. 24, 1998 |
| 5827959 |
Monitoring chemical flow rate in a water treatment system |
Oct. 27, 1998 |
| 5811675 |
Modular gas units |
Sep. 22, 1998 |
| 5804716 |
Apparatus and method for testing standpipe flow |
Sep. 8, 1998 |
| 5646344 |
Device for determining a pulsating air mass flow in an internal combustion engine |
Jul. 8, 1997 |
| 5544523 |
Physical quantity sensor arrangement |
Aug. 13, 1996 |
| 5526673 |
Material handling vehicle carriage height measurement |
Jun. 18, 1996 |
| 5483829 |
Environmental flow stand inlet flow conditioner |
Jan. 16, 1996 |
| 5467650 |
Open channel flowmeter |
Nov. 21, 1995 |
| 5419189 |
Method for obtaining zero flowmeter reading for zero flow |
May. 30, 1995 |
| 5410909 |
Plug proof simple device to measure liquid flow in flue gas desulfurization systems using nozzle pressure as an input |
May. 2, 1995 |
| 5400819 |
Measuring and regulating valve |
Mar. 28, 1995 |
| 5363699 |
Method and apparatus for determining characteristics of fluid flow |
Nov. 15, 1994 |
| 5355725 |
Method for determining the mass flow rate of solids in a cyclone separator for a fluidized bed reactor |
Oct. 18, 1994 |
| 5333498 |
Apparatus and method for measuring physical characteristics of a liquid |
Aug. 2, 1994 |
| 5313830 |
Assessment of air ingress to steam systems |
May. 24, 1994 |
| 5309769 |
Method of metering the rate of flow of a dye solution |
May. 10, 1994 |
| 5307902 |
Gas meter counter unit with improved shaft lubrication |
May. 3, 1994 |
| 5303584 |
Intake air flow rate measuring apparatus for internal combustion engine, having water-absorptive porous protective member |
Apr. 19, 1994 |
| 5293778 |
Fluid flow measuring system |
Mar. 15, 1994 |
| 5261283 |
Measuring device and method for cleansing a measuring electrode in said device |
Nov. 16, 1993 |
| 5257538 |
Gas consumption measuring device |
Nov. 2, 1993 |
| 5237865 |
Flow rate measuring apparatus |
Aug. 24, 1993 |
| 5224387 |
Arrangement for flow measurement |
Jul. 6, 1993 |
| 5220830 |
Compact gas flow meter using electronic microsensors |
Jun. 22, 1993 |
| 5218872 |
Fluidic flowmeter for use with disturbed fluids |
Jun. 15, 1993 |
| 5136882 |
Flow rate measuring apparatus |
Aug. 11, 1992 |
| 5099687 |
Electrically neutral flow measurement system |
Mar. 31, 1992 |
| 5085076 |
Integrated water strainer, meter, and crossover check valve |
Feb. 4, 1992 |
| 5065901 |
Apparatus for monitoring a flow of fluid through a filter medium |
Nov. 19, 1991 |
| 5056554 |
Fluid loss, damage prevention and control system |
Oct. 15, 1991 |
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