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Class Information
Number: 367/144
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers > Underwater type > Exclusive-type transmitter > Air guns
Description: Subject matter wherein compressed gases are released underwater creating a travelling acoustic wave front in the water.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8687464 Marine siren seismic source Apr. 1, 2014
8570829 Depth steerable seismic source array Oct. 29, 2013
8522915 Method and system for selecting parameters of a seismic source array Sep. 3, 2013
8509033 Digital air gun Aug. 13, 2013
8279711 Digital air gun Oct. 2, 2012
8261874 Attenuating out of band energy emitted from seismic sources Sep. 11, 2012
8223591 Device for marine seismic exploration for deposits Jul. 17, 2012
8154956 Marine acoustic source operation Apr. 10, 2012
8136625 Attenuating out of band energy emitted from seismic sources Mar. 20, 2012
7997179 Hybrid water cannon Aug. 16, 2011
7961549 Enhancing the acquisition and processing of low frequencies for sub-salt imaging Jun. 14, 2011
7948825 Method to acquire simultaneously seismic data with source arrays designed for specific targets May. 24, 2011
7518953 Method for detecting air gun faults in a marine seismic source array Apr. 14, 2009
7466630 Method for monitoring performance of marine seismic air gun arrays Dec. 16, 2008
7466632 Method and apparatus for positioning a center of a seismic source Dec. 16, 2008
7463549 Apparatus and method for carrying out seismic surveys Dec. 9, 2008
7414920 Acoustic generator for distance sounding with microphone designed for efficient echo detection Aug. 19, 2008
7397729 Acoustic generator for distance sounding with a new and novel portal structure for the efficient firing of the pressure chamber Jul. 8, 2008
7379391 Marine seismic air gun timing May. 27, 2008
7359282 Methods and apparatus of source control for borehole seismic Apr. 15, 2008
7339852 Seismic acquisition system Mar. 4, 2008
7321527 Method and apparatus for controlling the acoustic output of an airgun Jan. 22, 2008
7317662 Gas projection device sometimes with a burst disk, producing loud sonic report and smoke plume Jan. 8, 2008
7269099 Air gun Sep. 11, 2007
7228934 Acoustic generator for distance sounding with a firing mechanism independent of the pressure equilibration force Jun. 12, 2007
7218572 Method of seismic source monitoring using modeled source signatures with calibration functions May. 15, 2007
7042803 Marine seismic source towing apparatus and method May. 9, 2006
7016261 Deep penetrating focused array Mar. 21, 2006
6961284 Source array for use in marine seismic exploration Nov. 1, 2005
6873571 Digital air gun source controller apparatus and control method Mar. 29, 2005
6870795 Acoustic source array system module for underwater operation which can be installed on a motorized boat Mar. 22, 2005
6788618 Method and apparatus for marine source diagnostics Sep. 7, 2004
6639873 Marine seismic source Oct. 28, 2003
6571906 Underwater sound mitigation system for explosive testing Jun. 3, 2003
6570820 Pressure balanced inertia solenoid valve May. 27, 2003
6470997 Apparatus and method for eliminating electrical noise in the fire detect timing signal of an air gun Oct. 29, 2002
6376767 Air gun cable Apr. 23, 2002
6286612 Shutoff valve for marine acoustic generator Sep. 11, 2001
6185156 Underwater acoustic impulse source Feb. 6, 2001
6089345 Elastic wave exploration tool for wells Jul. 18, 2000
6072750 Method for producing seismic pulses Jun. 6, 2000
6044038 Marine seismic cable system Mar. 28, 2000
6026056 Method and apparatus for reducing the effect of rough sea surface conditions on marine seismic sources Feb. 15, 2000
5999491 Low frequency underwater sound source Dec. 7, 1999
5995452 System for generating and transmitting acoustic signals underwater Nov. 30, 1999
5841733 Acoustic source array system for underwater operation Nov. 24, 1998
5825720 Combination seal and wear for an air gun Oct. 20, 1998
5825719 Dual-port air gun having a single shuttle Oct. 20, 1998
5646909 Pneumatic gun for rapid repetitive acoustic firing Jul. 8, 1997
5646910 Pneumatic gun for rapid repetitive firing Jul. 8, 1997

1 2 3 4

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