Description     Claims     Drawing  

US61393106   [0001] 
US6161076A   [0005] 
GB2190746A   [0005] 
US2009210158A   [0005] 
US2007230268A   [0005] 
US2005267695A   [0005] 
US2007133354A   [0005] 

Estimation of Ground Stiffness, Ground Viscosity and Captured Ground Mass using Vibrator Field Measurements   [0005] 
Modeling and modal analysis of seismic vibrator baseplate   [0038]