Patents in Class 367/144

Matches 151 - 164 out of 164

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Match	Document	Document Title
151	3525416	AIR OPERATED UNDERWATER SEISMIC SOURCE
152	3506085	PNEUMATIC ACOUSTIC SOURCE EMPLOYING ELECTROMAGNETIC CONTROLLED VALVE
153	3494443	TOWBOAT SYSTEM FOR HANDLING ACOUSTIC SOURCE IN MARINE SEISMIC OPERATIONS
154	3493072	MARINE SEISMIC EXPLORATION ENERGY SOURCE
155	3437170	CONTROL OF ENERGY SPECTRUM IN MARINE SEISMIC EXPLORATION
156	3401660	Seismic ship
157	3397755	Pneumatic seismic source
158	3371740	System and method for reducing secondary pressure pulses in marine seismic surveying
159	3351902	Underwater sound source
160	3292140	System for generating seismic signals
161	3256952	Seismic energy source
162	3239027	Control apparatus
163	3131671	Acoustic generator
164	3039559	Sound producing device

Matches 151 - 164 out of 164

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