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PANAMETRICS
US64 patents
Top patents by PatentIndex Score
US6047602AApr 11, 2000
Ultrasonic buffer/waveguide
PANAMETRICS242 citations99
US5437194AAug 1, 1995
Ultrasonic transducer system with temporal crosstalk isolation
PANAMETRICS156 citations99
US5179862AJan 19, 1993
Snap-on flow measurement system
PANAMETRICS216 citations99
US5159838ANov 3, 1992
Marginally dispersive ultrasonic waveguides
PANAMETRICS183 citations99
US4735097AApr 5, 1988
Method and apparatus for measuring fluid characteristics using surface generated volumetric interrogation signals
PANAMETRICS299 citations99
US4336719AJun 29, 1982
Ultrasonic flowmeters using waveguide antennas
PANAMETRICS311 citations99
US6732595B2May 11, 2004
Method of and system for determining the mass flow rate of a fluid flowing in a conduit
PANAMETRICS93 citations98
US6349599B1Feb 26, 2002
Layered ultrasonic coupler
PANAMETRICS91 citations98
US6330831B1Dec 18, 2001
Stream-cleaned differential reflection coefficient sensor
PANAMETRICS134 citations98
US5515733AMay 14, 1996
Ultrasonic transducer system with crosstalk isolation
PANAMETRICS136 citations98
US4783997ANov 15, 1988
Ultrasonic transducers for high temperature applications
PANAMETRICS137 citations98
US6186179B1Feb 13, 2001
Disturbance simulating flow plate
PANAMETRICS84 citations97
US4320659AMar 23, 1982
Ultrasonic system for measuring fluid impedance or liquid level
PANAMETRICS286 citations97
US6343511B1Feb 5, 2002
Ultrasonic path bundle and systems
PANAMETRICS74 citations96
US5962790AOct 5, 1999
Ultrasonic path bundle and systems
PANAMETRICS82 citations96
US5456114AOct 10, 1995
Elastic wave sensing system
PANAMETRICS61 citations96
US4193291AMar 18, 1980
Slow torsional wave densitometer
PANAMETRICS73 citations96
US4103551AAug 1, 1978
Ultrasonic measuring system for differing flow conditions
PANAMETRICS108 citations96
US4004461AJan 25, 1977
Ultrasonic measuring system with isolation means
PANAMETRICS113 citations96
US6073480AJun 13, 2000
Humidity sensor with differential thermal detection and method of sensing
PANAMETRICS99 citations95
US4787252ANov 29, 1988
Differential correlation analyzer
PANAMETRICS149 citations95
US4297607AOct 27, 1981
Sealed, matched piezoelectric transducer
PANAMETRICS221 citations95
US5792938AAug 11, 1998
Humidity sensor with differential thermal detection and method of sensing
PANAMETRICS62 citations94
US4856321AAug 15, 1989
Apparatus and methods for measuring fluid flow parameters
PANAMETRICS114 citations94
US4754650AJul 5, 1988
Apparatus and methods for measuring fluid flow parameters
PANAMETRICS112 citations94
US4596133AJun 24, 1986
Apparatus and methods for measuring fluid flow parameters
PANAMETRICS98 citations94
US4480485ANov 6, 1984
Acoustic flowmeter with envelope midpoint tracking
PANAMETRICS92 citations94
US4308754AJan 5, 1982
Ultrasonic flowmeter
PANAMETRICS106 citations94
US6557393B1May 6, 2003
Thin film ppb oxygen sensor
PANAMETRICS67 citations93
US5275060AJan 4, 1994
Ultrasonic transducer system with crosstalk isolation
PANAMETRICS48 citations93
US4893496AJan 16, 1990
Torsional wave fluid sensor and system
PANAMETRICS91 citations93
US6293156B1Sep 25, 2001
Coherent multi-path flow measurement system
PANAMETRICS69 citations92
US6626049B1Sep 30, 2003
Clamp-on steam/gas flow meter
PANAMETRICS68 citations91
US6216091B1Apr 10, 2001
Ultrasonic measurement system with molecular weight determination
PANAMETRICS26 citations91
US4300401ANov 17, 1981
Method and apparatus for determining fluid flow
PANAMETRICS43 citations91
US4167879ASep 18, 1979
Method and apparatus for examining a solid
PANAMETRICS48 citations91
US6813954B2Nov 9, 2004
High sensitivity pressure sensor with long term stability
PANAMETRICS36 citations90
US6177001B1Jan 23, 2001
Internally calibrated oxygen sensor, method and system
PANAMETRICS31 citations90
US5288149AFeb 22, 1994
Gas calorimeter and wobbe index meter
PANAMETRICS27 citations90
US4515021AMay 7, 1985
Intervalometer time measurement apparatus and method
PANAMETRICS46 citations90
US5460047AOct 24, 1995
Flow measurement system including ultrasonic transducers
PANAMETRICS25 citations88
US4277742AJul 7, 1981
Absolute humidity sensors and methods of manufacturing humidity sensors
PANAMETRICS36 citations88
US4203087AMay 13, 1980
Absolute humidity sensors and methods of manufacturing humidity sensors
PANAMETRICS32 citations88
US4143177AMar 6, 1979
Absolute humidity sensors and methods of manufacturing humidity sensors
PANAMETRICS37 citations88
US6065350AMay 23, 2000
Flow measurement system with guided signal launched in lowest mode
PANAMETRICS49 citations87
US5440937AAug 15, 1995
Process and apparatus for ultrasonic measurement of volumeric flow through large-diameter stack
PANAMETRICS50 citations87
US4771237ASep 13, 1988
Method and apparatus for calibrating a displacement probe using a polynomial equation to generate a displacement look-up table
PANAMETRICS124 citations86
US4918990AApr 24, 1990
Ultrasonic transducer assembly
PANAMETRICS25 citations85
US6889552B2May 10, 2005
Acoustic waveguide system
PANAMETRICS16 citations81
US4491730AJan 1, 1985
Method and apparatus for feedback stabilized photometric detection in fluids
PANAMETRICS22 citations81
Showing the top 50 of 64 patents by PatentIndex Score.