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