| |
 |
|
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:
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 |
|
|
|
