Assignee
PRAKLA SEISMOS GMBH
DE·9 granted patents·186 citations·filing 1975–1996
Top patents by PatentIndex Score
9 records- 0184US4204188ACable for sea seismic explorationPRAKLA SEISMOS GMBH·Filed 1978·Granted May 20, 1980·49 cites·27 claims
- 0268US5394379AHydrophonePRAKLA SEISMOS GMBH·Filed 1993·Granted Feb 28, 1995·35 cites·19 claims
- 0366US4011923AMobile seismic energy sourcePRAKLA SEISMOS GMBH·Filed 1975·Granted Mar 15, 1977·22 cites·10 claims
- 0447US5396029AVehicle-carried vibrator for producing seismic vibrationsPRAKLA SEISMOS GMBH·Filed 1993·Granted Mar 7, 1995·23 cites·16 claims
- 0546US4275787AMethod for monitoring subsurface combustion and gasification processes in coal seamsPRAKLA SEISMOS GMBH·Filed 1979·Granted Jun 30, 1981·13 cites·5 claims
- 0643US5514963AMethod for monitoring an area of the surface of the earthPRAKLA SEISMOS GMBH·Filed 1993·Granted May 7, 1996·22 cites·5 claims
- 0734US5587967AMethod for improvement of seismic sectionsPRAKLA SEISMOS GMBH·Filed 1996·Granted Dec 24, 1996·7 cites·8 claims
- 0834US5404340AMarine seismic streamer with a device for damping oscillationsPRAKLA SEISMOS GMBH·Filed 1993·Granted Apr 4, 1995·11 cites·13 claims
- 0924US4286332AMethod and apparatus for producing shear waves for subsurface geophysical investigationPRAKLA SEISMOS GMBH·Filed 1979·Granted Aug 25, 1981·4 cites·7 claims
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