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Class Information
Number: 181/117
Name: Acoustics > Geophysical or subsurface exploration > Seismic wave generation > Explosive > Gas
Description: Subject matter wherein the material is a gas.










Sub-classes under this class:

Class Number Class Name Patents
181/118 Underwater 104


Patents under this class:

Patent Number Title Of Patent Date Issued
8307941 Seismic gun assembly for shooting into a bore hole Nov. 13, 2012
8302730 System and method for generating and controlling conducted acoustic waves for geophysical exploration Nov. 6, 2012
8292022 System and method for generating and controlling conducted acoustic waves for geophysical exploration Oct. 23, 2012
8172034 System and method for generating and directing very loud sounds May. 8, 2012
8136624 System and method for ignition of a gaseous or dispersed fuel-oxidant mixture Mar. 20, 2012
8104568 Seismic gun assembly for shooting into a bore hole Jan. 31, 2012
7886866 System and method for ignition of a gaseous or dispersed fuel-oxidant mixture Feb. 15, 2011
7882926 System and method for generating and directing very loud sounds Feb. 8, 2011
6776256 Method and apparatus for generating seismic waves Aug. 17, 2004
6705425 Regenerative combustion device Mar. 16, 2004
6571906 Underwater sound mitigation system for explosive testing Jun. 3, 2003
6321838 Apparatus and methods for acoustic signaling in subterranean wells Nov. 27, 2001
6260657 Seismic pulse generator Jul. 17, 2001
6250388 Gas impulse device and method of use thereof Jun. 26, 2001
6089345 Elastic wave exploration tool for wells Jul. 18, 2000
6076629 Low frequency flextensional acoustic source for underwater use Jun. 20, 2000
6041888 Low frequency flextensional acoustic source for underwater use Mar. 28, 2000
5864517 Pulsed combustion acoustic wave generator Jan. 26, 1999
5430691 Shock wave generator Jul. 4, 1995
5229977 Directional underwater acoustic pulse source Jul. 20, 1993
4702344 Vent means for closed air system impact-type seismic source Oct. 27, 1987
4646871 Gas-gun for acoustic well sounding Mar. 3, 1987
4608675 Land seismic source method and apparatus Aug. 26, 1986
4485889 Valve means for compressed air powered acoustic pulse generator Dec. 4, 1984
4484657 Acoustic pulse generator Nov. 27, 1984
4481612 Seismic surveying using shear waves Nov. 6, 1984
4408676 Gas gun assembly Oct. 11, 1983
4402381 Vehicle mounting and deployment arrangement for seismic source Sep. 6, 1983
4284165 Acoustic pulse generator Aug. 18, 1981
4284164 Acoustic pulse generator Aug. 18, 1981
4222454 Bidirectional ground coupling means for inclined seismic source Sep. 16, 1980
4148375 Seismic vibration source Apr. 10, 1979
4108271 Seismic land source Aug. 22, 1978
4102429 Apparatus for generating seismic waves Jul. 25, 1978
4100991 Fast cycle seismic gas exploder and method Jul. 18, 1978
4078632 Land seismic gas detonator Mar. 14, 1978
4073362 Charging and ignition system for gas exploders Feb. 14, 1978
4073363 Method and apparatus for generating a long sequence of seismic pulses Feb. 14, 1978
4069004 Device to emit shock waves, with adjustable capacity Jan. 17, 1978
4043420 High frequency gas detonator Aug. 23, 1977
4026382 Repetitive detonation seismic surveying method and apparatus May. 31, 1977
4007803 Expanding detonation chamber multi-shot gas exploder Feb. 15, 1977
4004651 Means for flexibly guiding the travel of an upwardly propelled weight Jan. 25, 1977
3981379 Device for emitting mechanical waves Sep. 21, 1976
3976161 Power auger seismic source Aug. 24, 1976
3958661 Method and apparatus for generating seismic waves May. 25, 1976
3951229 Method and apparatus for imparting a seismic pulse to the earth Apr. 20, 1976
3934672 Method and apparatus for sensing when a seismic gas exploder is in contact with the earth Jan. 27, 1976











 
 
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