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Class Information
Number: 73/170.12
Name: Measuring and testing > Fluid flow direction (e.g., wind sock, weather vane, etc.) > With velocity determination > Thermal
Description: Subject matter wherein the determination of the velocity or the direction of fluid flow is made by measuring or sensing a thermal effect caused by the flow of the fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7452127 |
Anemometer with non-contact temperature measurement |
Nov. 18, 2008 |
| 7197925 |
Wind indicator |
Apr. 3, 2007 |
| 7054767 |
Thermal mass flowmeter apparatus and method with temperature correction |
May. 30, 2006 |
| 6895812 |
Cup anemometer |
May. 24, 2005 |
| 6826493 |
System and method for real time determination of unsteady aerodynamic loads |
Nov. 30, 2004 |
| 6705158 |
Hot wire anemometer with extendable probe |
Mar. 16, 2004 |
| 6543298 |
Method of reducing total temperature errors and multi-function probe implementing same |
Apr. 8, 2003 |
| 6380535 |
Optical tuft for flow separation detection |
Apr. 30, 2002 |
| 6134959 |
Method for detecting flow bifurcation during sonic flow conditions |
Oct. 24, 2000 |
| 6134958 |
Thermal anemometer aircraft airspeed gust component transducer |
Oct. 24, 2000 |
| 5677484 |
Device for measuring the flow in a fluid channel |
Oct. 14, 1997 |
| 5639964 |
Thermal anemometer airstream turbulent energy detector |
Jun. 17, 1997 |
| 5520047 |
Exothermic resistor element and thermal process air flow meter using the same |
May. 28, 1996 |
| 5461910 |
Fluid flow direction and velocity monitor |
Oct. 31, 1995 |
| 5412983 |
Device for determining the flow velocity and flow direction of gases or liquids |
May. 9, 1995 |
| 5357795 |
Anemometer transducer wind set |
Oct. 25, 1994 |
| 5311775 |
Semiconductor flow sensor |
May. 17, 1994 |
| 5218865 |
Thermal anemometer transducer wind set |
Jun. 15, 1993 |
| 5218866 |
Method and device for measuring fluid velocities |
Jun. 15, 1993 |
| 4936144 |
Directional thermal anemometer transducer |
Jun. 26, 1990 |
| 4930347 |
Solid state microanemometer with improved sensitivity and response time |
Jun. 5, 1990 |
| 4920793 |
Directional thermal anemometer transducer |
May. 1, 1990 |
| 4905513 |
Wind speed measuring device |
Mar. 6, 1990 |
| 4890489 |
Direction-sensitive flow-rate indicator |
Jan. 2, 1990 |
| 4885937 |
Flow sensor |
Dec. 12, 1989 |
| 4856330 |
Fluid speed or direction measuring apparatus |
Aug. 15, 1989 |
| 4794795 |
Directional thermal anemometer transducer |
Jan. 3, 1989 |
| 4637253 |
Semiconductor flow detector for detecting the flow rate and flowing direction of fluid |
Jan. 20, 1987 |
| 4373386 |
Direction sensitive flow velocity meter and sensing plate to be used on it |
Feb. 15, 1983 |
| 4279147 |
Directional heat loss anemometer transducer |
Jul. 21, 1981 |
| 4206638 |
Directional heat loss anemometer transducer |
Jun. 10, 1980 |
| 4070908 |
Anemometer compensator linearizer |
Jan. 31, 1978 |
| 4052894 |
Velocity vector sensor for low speed airflows |
Oct. 11, 1977 |
| 4024761 |
Directional hot film anemometer transducer |
May. 24, 1977 |
| 3995480 |
Thermal sensor for measurement of ocean current direction |
Dec. 7, 1976 |
| 3995481 |
Directional fluid flow transducer |
Dec. 7, 1976 |
| 3991624 |
Wind velocity servo system |
Nov. 16, 1976 |
| 3956932 |
Wind sensor |
May. 18, 1976 |
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