Patents
Patents for G01H 1 - Measuring vibrations in solids by using direct conduction to the detector (4,000)
05/1987
05/20/1987EP0222484A2 Movement monitor for cardio-pulmonary and other activity
05/12/1987US4665393 Vibration monitoring system and apparatus
04/1987
04/23/1987DE3538948C1 Method for digitally measuring the peak value of ultrasonic test pulses
03/1987
03/18/1987EP0214366A2 Device for determinating vibration parameters and application thereof
03/17/1987US4651331 Method of and device for acoustically counting particles
03/03/1987CA1218744A1 System for operational monitoring of a machine
02/1987
02/25/1987EP0211212A2 Process and device for the determination and evaluation of machine parameters
02/17/1987US4644335 Apparatus and method for monitoring drill bit condition and depth of drilling
02/17/1987US4644270 Apparatus for monitoring housed turbine blading to obtain blading-to-housing distance
02/12/1987WO1987000918A1 Vibration monitoring apparatus
02/10/1987US4642617 Acoustic tool break detection system and method
02/04/1987EP0210715A2 Inertia-Sensitive Device
01/1987
01/28/1987EP0209862A2 Rotating machine diagnosis apparatus with acoustic emission technique
01/06/1987US4635210 Method of and apparatus for detecting crack condition
12/1986
12/24/1986CN85104691A Damped reaction base for vibration testing
12/03/1986EP0203109A1 Measurement of wave propagation power flow in structures.
12/03/1986CN85107694A Turbine blade vibration detection apparatus
11/1986
11/04/1986US4621263 Vibration telemetering system
11/04/1986US4620446 Acceleration responsive transducers
10/1986
10/08/1986EP0196567A2 Apparatus and method for monitoring the operating condition of a drill bit
10/01/1986EP0195850A2 Active vibration isolation system
09/1986
09/30/1986US4615022 Symmetrically-suspended vertical-swing long-period pendulum means
09/30/1986US4614117 Vibration monitoring apparatus
09/16/1986US4612620 Apparatus for collecting scheduled maintenance data
09/03/1986EP0192963A1 Apparatus for measuring the vibrations of a spiral bevel gear transmission in a gear-testing machine
09/02/1986US4609994 Apparatus for continuous long-term monitoring of acoustic emission
09/02/1986US4609992 System for monitoring torsion damage to a composite line of shapes through a driving machine and a driven machine
08/1986
08/27/1986EP0069755B1 Piezoelectric sensor
08/26/1986US4607529 Vibration analysis
07/1986
07/22/1986US4601580 Monitoring rotational speed of a rotating body
07/17/1986WO1986004137A1 Acceleration responsive transducers
07/08/1986US4598588 Detached rock evaluation device
06/1986
06/17/1986US4595853 Apparatus for and method of determining properties of saw substrates
06/10/1986US4593566 Vibration monitoring in rotary machines
06/05/1986WO1986003291A1 Measurement of wave propagation power flow in structures
05/1986
05/07/1986EP0179806A1 Apparatus for the acoustic detection and analyses of joint disorders
04/1986
04/30/1986EP0179618A2 Turbine blade vibration detection apparatus
03/1986
03/18/1986US4576048 Method and apparatus for ultrasonic inspection of a solid workpiece
03/11/1986US4575831 Method and apparatus for acquiring seismic signals in a borehole
03/11/1986US4574633 Apparatus for detecting tool damage in automatically controlled machine tool
03/04/1986US4573358 Turbine blade vibration detection apparatus
03/04/1986CA1201524A1 Acoustic quadrupole shear wave logging device
02/1986
02/18/1986US4571661 Semiconductor vibration detection device with lever structure
02/11/1986US4569353 Sound attenuation measurement system
01/1986
01/28/1986CA1200003A1 Method and apparatus for seismic signal acquisition in a borehole
01/21/1986US4565087 Method and apparatus for recognition of knocking in an internal combustion engine
01/07/1986CA1199112A1 Apparatus and method for monitoring turbine blading
01/02/1986EP0166137A2 Method and apparatus for counting particles
01/02/1986EP0058705B1 Electronic control system for wheel axles of rail-mounted vehicles, especially railroad cars
12/1985
12/04/1985EP0059745B1 Method and device for the localisation and analysis of sound emissions
10/1985
10/24/1985WO1985004564A1 Apparatus for the acoustic detection and analyses of joint disorders
10/15/1985US4547771 Vibration sensor
10/15/1985CA1195418A1 Method and apparatus for detecting rubbing in a rotary machine
10/08/1985CA1194977A1 Process for detecting an acoustic source and an acoustic emission monitoring apparatus
07/1985
07/23/1985US4530240 Method and apparatus for diagnosing machine condition
07/02/1985CA1189945A1 Device for the activation of an apparatus for measuring acoustic emission by detection of background noise
06/1985
06/18/1985US4524355 Abnormal vibration monitor
06/11/1985US4522620 Method and apparatus for measuring the quantity of solid material in a centrifuge cylinder
06/04/1985US4520674 Vibration monitoring device
05/1985
05/21/1985US4518917 Plural sensor apparatus for monitoring turbine blading with undesired component elimination
04/1985
04/30/1985CA1186389A1 Tuned vibration detector
04/24/1985EP0138023A2 Semiconductor vibration detection device with lever structure
04/09/1985US4509524 For characterizing an inhomogeneous medium using ultrasonic waves
03/1985
03/26/1985US4507705 Vibration analyzing device
03/26/1985US4507658 Narrow beam radar installation for turbine monitoring
03/26/1985US4506551 Transducer selecting system
03/05/1985US4502332 Vibration sensing probe
01/1985
01/08/1985US4493066 Seismosensitive device
01/08/1985US4493042 Bearing failure judging apparatus
12/1984
12/11/1984US4488240 Vibration monitoring system for aircraft engines
12/05/1984EP0126946A2 Process and device for recognizing knocking in a combustion machine
12/04/1984US4485678 Rotor diagnostic and balancing system
12/04/1984CA1179064A1 Vibration diagnosis method for rotary machine
11/1984
11/21/1984EP0125610A1 Evaluation of sound signals converted into electrical signals
11/20/1984CA1178372A1 Rotating tool wear monitoring apparatus
11/13/1984US4482859 Object displacement sensor and device for measuring the rotation speed and vibration frequency of a rotor
10/1984
10/30/1984US4479389 Tuned vibration detector
10/23/1984US4478082 Method and apparatus for detecting rubbing in a rotary machine
10/09/1984US4475401 Vibration dosimeter
09/1984
09/25/1984CA1175135A1 Acoustic emission warning system for a fiberglass member
09/11/1984US4471475 Single element cantilever mounted shear wave transducer
09/11/1984US4471444 Rotating tool wear monitoring apparatus
09/04/1984US4468967 Acoustic plug release indicator
09/04/1984CA1173906A1 Apparatus for measuring dynamic parameters in a rotating shaft
08/1984
08/28/1984US4467659 For applying ultrasonic energy to a metal conduit carrying a fluid
08/14/1984US4466084 Seismometer
08/14/1984US4464935 For evaluating dynamic loading imposed on a bearing
08/08/1984EP0115291A1 System for monitoring torsional damage to driving and driven machine shafts
08/07/1984US4463610 Tuned vibration detector
07/1984
07/17/1984US4459851 Method and device for the localization and analysis of sound emissions
07/10/1984CA1170753A1 Electronic control system for wheel axles of rail- mounted vehicles, especially railroad cars
06/1984
06/27/1984EP0112189A2 Method and device for coupling a seismic detector to a bore hole wall
06/26/1984US4455862 Method and apparatus of detecting engine knocking
06/12/1984US4453407 Vibration diagnosis method and apparatus for rotary machines
05/1984
05/16/1984EP0108534A2 Acoustic indicator for wells
05/15/1984US4448077 Vibration diagnosis method for rotary machine
05/08/1984US4447755 Piezoelectric transducer accelerometer
04/1984
04/18/1984EP0105600A2 Apparatus for selecting a signal representing vibrations
04/10/1984US4441370 Vibration sensor
03/1984
03/21/1984EP0103422A1 Measurement of oscillatory and vibrational motion
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