173228 ⎘
Seismology; Seismic or acoustic prospecting or detecting; Generating seismic energy using mechanical driving means, e.g. motor driven shaft using rotary unbalanced masses
SEISMIC EXPLORATION METHOD, SUBSURFACE MONITORING METHOD, SEISMIC EXPLORATION SYSTEM, AND SEISMIC SOURCE DEVICE
#2Shear head device
#3Vibration detecting system, signal processing apparatus and signal processing method
#4Distributed seismic source array for use in marine environments
#5Distributed seismic source array
#6Seismic vibrator device and method with rotation sensor
#7Low frequency seismic acquisition using a counter rotating eccentric mass vibrator
#8Unbalance type exciter for a soil compaction device
#9DOWNHOLE HETERODYNED ECCENTRIC VIBRATOR
#10Seismic source, system, and method
#11Oscillating Device For Generating Seismic Loads And Compacting Soil
#12Tectonic discharger