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Class Information
Number: 73/861.78
Name: Measuring and testing > Volume or rate of flow > Using rotating member with particular electrical output or circuit > With pick-up coil
Description: Subject matter wherein the electrical signal is generated by varying the magnetic flux between a pick-up coil and the element.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7245230 |
Dual magnetic field sensor unit |
Jul. 17, 2007 |
| 7106054 |
Device for sensing a rotary member such as a water meter turbine |
Sep. 12, 2006 |
| 7007558 |
Pulse transmitter |
Mar. 7, 2006 |
| 6886414 |
Power generating meter |
May. 3, 2005 |
| 6881507 |
Method and apparatus for measuring the mass flow of hydrogen in a fuel cell |
Apr. 19, 2005 |
| 6850054 |
Device and a method for non-contacting sensing of the rotational state of a rotor |
Feb. 1, 2005 |
| 6628741 |
Non-volatile passive revolution counter with reed magnetic sensor |
Sep. 30, 2003 |
| 6612188 |
Self-powered fluid meter |
Sep. 2, 2003 |
| 6502468 |
Metering pulse transducer |
Jan. 7, 2003 |
| 6481293 |
Elbow mounted turbine flowmeter |
Nov. 19, 2002 |
| 6439062 |
Flow anomaly detector |
Aug. 27, 2002 |
| 6435042 |
Device and process for installation of encoder receiver transmitter on a gas meter |
Aug. 20, 2002 |
| 6397686 |
Hall-effect sensor placed in flowmeter to measure fuel flow rate |
Jun. 4, 2002 |
| 6389909 |
Flowmeter mounted with U-shaped bracket and clamping device |
May. 21, 2002 |
| 6284129 |
Water treatment device with volumetric and time monitoring features |
Sep. 4, 2001 |
| 6267013 |
Flow anomaly detector |
Jul. 31, 2001 |
| 6256590 |
Electromagnetic flowmeter |
Jul. 3, 2001 |
| 6149801 |
Water treatment device with volumetric monitoring features |
Nov. 21, 2000 |
| 6106705 |
Water treatment device with volumetric and time monitoring features |
Aug. 22, 2000 |
| 5976362 |
Faucet mounted water filter |
Nov. 2, 1999 |
| 5782263 |
Flood control device |
Jul. 21, 1998 |
| 5675092 |
Process for measuring the flow rate of a fluid |
Oct. 7, 1997 |
| 5659300 |
Meter for measuring volumetric consumption of a commodity |
Aug. 19, 1997 |
| 5574229 |
Electronic water meter with corrections for flow rate |
Nov. 12, 1996 |
| 5540107 |
Liquid flow meter |
Jul. 30, 1996 |
| 5522268 |
Turbine hub including pulse-generating elements sealing disposed within a two part molded container |
Jun. 4, 1996 |
| 5447062 |
Apparatus for measuring quantities of liquid in gasoline pumps of motor vehicle filling stations |
Sep. 5, 1995 |
| 5416475 |
Remote meter reading receptacle for pit lid mounting |
May. 16, 1995 |
| 5216924 |
Passive flowmeter for determining the flow rate and the direction of flow in a well |
Jun. 8, 1993 |
| 5199307 |
Automatic power generation type flowmeter |
Apr. 6, 1993 |
| 5197337 |
Low force flowmeter pick-off |
Mar. 30, 1993 |
| 5187989 |
Apparatus for detecting rotation of a rotary element such as the spinner of a water meter |
Feb. 23, 1993 |
| 5038607 |
Wind speed and wind direction signal generator |
Aug. 13, 1991 |
| 4856348 |
Flow meter turbine |
Aug. 15, 1989 |
| 4798092 |
Flowmeter for use in a flow monitoring system |
Jan. 17, 1989 |
| 4793192 |
Electromagnetic pulse receiver for a flow meter |
Dec. 27, 1988 |
| 4754642 |
High temperature fluid flow speed detection apparatus |
Jul. 5, 1988 |
| 4700579 |
Digital flow meter for dispensing fluids |
Oct. 20, 1987 |
| 4678992 |
Electronic metal detector |
Jul. 7, 1987 |
| 4649755 |
Sensor for magnetizable materials |
Mar. 17, 1987 |
| 4598594 |
Pulse generator |
Jul. 8, 1986 |
| 4579008 |
Electromagnetic pulse pick-up arrangement in a flow meter |
Apr. 1, 1986 |
| 4489615 |
Fluid flow meter |
Dec. 25, 1984 |
| 4459861 |
Measuring turbine for high volume, high viscosity fluids |
Jul. 17, 1984 |
| 4449664 |
Air quantity regulating apparatus for air conditioning |
May. 22, 1984 |
| 4409848 |
Meter readout with DC motor impulse generator |
Oct. 18, 1983 |
| 4409829 |
Volume flow sensor of the gear wheel motor type |
Oct. 18, 1983 |
| 4404860 |
Flow rate sensor |
Sep. 20, 1983 |
| 4379411 |
Flow transducer |
Apr. 12, 1983 |
| 4265127 |
Low meter system provided with a pulse generator |
May. 5, 1981 |
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