ClassID:

171034

G01P5/245 - CPC Classification

Classification description:

Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves

Sub-classes:
Recent Application in this class:
#1
20260063659
2026-03-05

FLOW METER AND ASSOCIATED METHOD

#2
20250355018
2025-11-20

WIND VELOCITY MEASUREMENT APPARATUS AND METHOD FOR AIRCRAFT, AND GREENHOUSE GAS DETECTION APPARATUS

#3
20250231057
2025-07-17

SYSTEM AND METHOD FOR HIGH SPEED SONIC TEMPERATURE AND AIRSPEED MEASUREMENTS FOR INPUTS TO AN AIR DATA SYSTEM

#4
20250170357
2025-05-29

GASES MIXING AND MEASURING FOR A MEDICAL DEVICE

#5
20240420974
2024-12-19

SYSTEMS AND METHODS FOR DETERMINING A LOCALIZED FLUID VELOCITY OF A PROCESSING LIQUID DISPENSED ON A SPINNING SUBSTRATE BY TRACKING MOVEMENT OF AN INDUCED PERTURBATION IN THE PROCESSING LIQUID ACROSS THE SPINNING SUBSTRATE

#6
20240264195
2024-08-08

ULTRASONIC TIME MEASUREMENT DEVICE, AND ULTRASONIC TIME MEASUREMENT METHOD

#7
20240210440
2024-06-27

ACOUSTIC WIND MEASUREMENT

#8
20240210439
2024-06-27

ACOUSTIC WIND MEASUREMENT

#9
20240210438
2024-06-27

ACOUSTIC WIND MEASUREMENT

#10
20240069059
2024-02-29

DEVICE FOR MEASURING WIND ON A POWER KITE

#11
20230273058
2023-08-31

WAVEGUIDES FOR NON-INVASIVE MEASUREMENT OF FLOW IN A HIGH TEMPERATURE PIPE AND APPARATUSES, SYSTEMS, AND METHODS OF USE THEREOF

#12
20230243863
2023-08-03

ENVIRONMENT CONDITION MEASUREMENT DEVICE

#13
20230243683
2023-08-03

FLOWMETER AND METHOD FOR MEAUSURING THE FLOW OF A FLUID

#14
20230051079
2023-02-16

MOTION-COMPENSATING SENSING SYSTEM FOR COLLECTION OF ATMOSPHERIC RELEVANT PARAMETERS

#15
20230026603
2023-01-26

Gases mixing and measuring for a medical device

#16
20220299541
2022-09-22

Wind sensor devices, systems, and methods

#17
20220229083
2022-07-21

Waterproof reflection unit and ultrasonic anemometer

#18
20220160328
2022-05-26

Fluid flow analysis

#19
20220146330
2022-05-12

METHOD OF MEASURING THE TEMPERATURE OF WATER IN A METER

#20
20220137084
2022-05-05

Acoustic airspeed sensors and processing techniques

#21
20220126009
2022-04-28

FLOWMETER FOR PROPORTIONING WATER IN DIALYSIS SYSTEM

#22
20220099697
2022-03-31

Ultrasonic anemometers systems for sensing air flows in rooms and ducts

#23
20220011144
2022-01-13

Time of flight detecting method for a phase shifted signal train including a sequence of waves inserted between a first group and a second group

#24
20210349120
2021-11-11

Wind sensor devices having a support ring arrangement, systems and methods thereof

#25
20210293846
2021-09-23

Acoustic air data system with radially paired receivers

#26
20210293845
2021-09-23

Acoustic sources for air data systems

#27
20210231507
2021-07-29

MEASURING APPARATUS, AND MEASURING METHOD

#28
20210223076
2021-07-22

Method and system of acoustic wave measurement of axial velocity distribution and flow rate

#29
20210181230
2021-06-17

Wind speed measuring device and wind speed measuring method

#30
20210165017
2021-06-03

Ultrasound air-speed indicator

#31
20210078722
2021-03-18

Acoustic air data sensor and system

#32
20210072275
2021-03-11

Apparatus and method for measuring airflow through a spiral conveyor

#33
20210072057
2021-03-11

Waveguides for non-invasive measurement of flow in a high temperature pipe and apparatuses, systems, and methods of use thereof

#34
20210026040
2021-01-28

Rain gauge for measuring rain fall in an automatic weather station having an ultrasonic transducer for transmitting and receiving acustic signals into measurement chamber and programmable to determine water level in measurement chamber

#35
20210025916
2021-01-28

Air data systems

#36
20200408725
2020-12-31

Ultrasonic transducer system and method for bi-modal system responses

#37
20200300882
2020-09-24

Acoustic air data sensing systems with skin friction sensors

#38
20200256888
2020-08-13

ACOUSTIC AIR DATA SYSTEM

#39
20200191628
2020-06-18

MEASURING DEVICE FOR DETERMINING A FLUID VARIABLE

#40
20200191627
2020-06-18

MEASURING DEVICE FOR DETERMINING A FLUID VARIABLE

#41
20200182900
2020-06-11

Beam shaping acoustic signal travel time flow meter

#42
20200174036
2020-06-04

Method for measuring a speed of a fluid

#43
20200173823
2020-06-04

Method for measuring a speed of a fluid

#44
20200166393
2020-05-28

Method for operating a measuring device and measuring device

#45
20200150146
2020-05-14

Signal travel time flow meter

#46
20200142094
2020-05-07

MEASURING ATMOSPHERIC CONDITIONS USING MACHINE LEARNING

#47
20200141777
2020-05-07

Method for measuring a speed of a fluid

#48
20200110110
2020-04-09

Aircraft freestream data systems

#49
20200057092
2020-02-20

Acoustic airspeed sensors

#50
20200018776
2020-01-16

Low profile air data system architecture

#51
20200018628
2020-01-16

Apparatus, systems, and methods for non-invasive measurement of flow in a high temperature pipe

#52
20190293677
2019-09-26

Acoustic angle-of-attack sensor

#53
20190242735
2019-08-08

Measurement of flow rate from a reflected signal

#54
20190170550
2019-06-06

Ultrasonic transducers using adaptive multi-frequency hopping and coding

#55
20190128715
2019-05-02

Flow meter

#56
20190099153
2019-04-04

Fluid flow analysis

#57
20180328956
2018-11-15

Beam shaping acoustic signal travel time flow meter

#58
20180313865
2018-11-01

Acoustic structural reflection interference mitigation systems, methods, and devices

#59
20180245960
2018-08-30

Fluid measuring apparatus

#60
20180113145
2018-04-26

Beam shaping acoustic signal travel time flow meter

#61
20180095104
2018-04-05

Ultrasonic anemometer and method for determination of at least one component of a wind velocity vector or the velocity of sound in the atmosphere

#62
20180031401
2018-02-01

Plant, measurement system, and method for measuring temperature and velocity of a flow of fluid

#63
20170356773
2017-12-14

System and method of non-intrusive anemometry

#64
20170356303
2017-12-14

System and method of non-intrusive thrust measurement

#65
20170307427
2017-10-26

Method and arrangement for an ultrasound clamp-on flow measurement and circuit arrangement for control of an ultrasound clamp-on flow measurement

#66
20170248454
2017-08-31

Ultrasonic Flow Probe And Method Of Monitoring Fluid Flow In A Conduit

#67
20170227568
2017-08-10

Signal travel time flow meter

#68
20170197056
2017-07-13

Gases mixing and measuring for a medical device

#69
20170176265
2017-06-22

Method for determining waveguide temperature for acoustic transceiver used in a gas turbine engine

#70
20170115255
2017-04-27

Ultrasonic transducer system and method for bi-modal system responses

#71
20170082650
2017-03-23

Signal travel time flow meter

#72
20160370214
2016-12-22

Method and system for ultrasonic airflow measurements

#73
20160341757
2016-11-24

Wind velocity sensor for a vehicle

#74
20160282159
2016-09-29

Undershot gate flow control system with flow diverter

#75
20160216145
2016-07-28

Measuring tube for a flow measuring device and flow measuring device

#76
20160161525
2016-06-09

APPARATUS AND A METHOD FOR PROVIDING A TIME MEASUREMENT

#77
20150350789
2015-12-03

Electroacoustic transducer

#78
20150212045
2015-07-30

Method and apparatus for non-invasively measuring physical properties of materials in a conduit

#79
20150135822
2015-05-21

Ultrasonic airspeed and direction sensor system

#80
20150066396
2015-03-05

Estimating flow rates of a liquid in a conduit

#81
20140318268
2014-10-30

Ultrasonic flow meter with digitally under-sampled flow measurements

#82
20120272737
2012-11-01

Method for determining speed of a signal species in a medium and associated apparatus

#83
20120173191
2012-07-05

Airspeed And Velocity Of Air Measurement

#84
20100186497
2010-07-29

Aerodynamic measurement probe of an airstream along a wall

#85
20090281671
2009-11-12

Flow measurement and control with bubble detection

#86
20090142192
2009-06-04

Wind turbine metrology system

#87
20080294356
2008-11-27

Self-orienting embedded in-situ flux system

#88
20080250868
2008-10-16

Ultrasound flow sensor with a modulo-2Pi for a remaining part tracing

#89
20080190213
2008-08-14

Zero crossing detection of an ultrasonic signal with variable threshold value

#90
20070261501
2007-11-15

Ultrasonic flow sensor having a transducer array and reflective surface

#91
20070191990
2007-08-16

Flow measurement and control with bubble detection

#92
20050131591
2005-06-16

System for and method of acoustic and through skin air data measurement

#93
20050000301
2005-01-06

Ultrasonic flowmeter including stable flow rate calculation means based on instantaneous flow rate

#94
15390196
2019-10-01

Weather sensor including vertically stacked multi-power modules

#95
13780182
2015-09-01

Acoustic airspeed measurement system and method