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Class Information
Number: 116/265
Name: Signals and indicators > Indicators > Fluid flow > At exterior of fluid-craft
Description: Devices wherein the indicator is moved by fluid flow along or from outside a craft which is kept buoyant by a liquid, gas, or vapor, e.g., aircraft, boat, etc.

Patents under this class:

Patent Number Title Of Patent Date Issued
6772976 Sensor for measuring wind angle Aug. 10, 2004
6766761 Firehose coupling exit indicator Jul. 27, 2004
6032087 Ship position control system Feb. 29, 2000
5811673 Wind direction indicator Sep. 22, 1998
5127358 Apparent wind direction indicator Jul. 7, 1992
4790255 Wind and boom direction indicating device Dec. 13, 1988
4774835 Method for laminar boundary layer transition visualization in flight Oct. 4, 1988
4646567 Wind indicator for sailboat Mar. 3, 1987
4567760 Flow direction and state indicator Feb. 4, 1986
4561301 Miniature wind sock assembly Dec. 31, 1985
4522069 Windvane Jun. 11, 1985
4468961 Fluid direction meter suitable for angle of attack meter for aircraft Sep. 4, 1984
4437425 Air flow direction indicator Mar. 20, 1984
4314477 Sailboat wind direction indicator Feb. 9, 1982
4230290 Airplane angle of attack and direction of flight indicator Oct. 28, 1980
4227406 Wind direction device Oct. 14, 1980
4223631 Sailing indicator Sep. 23, 1980
4080826 Apparent wind indication device Mar. 28, 1978

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