Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 367/146
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers > Underwater type > Exclusive-type transmitter > Implosion devices
Description: Subject matter which are submersed in water and produce acoustic waves therein by abruptly reducing their volume.










Patents under this class:

Patent Number Title Of Patent Date Issued
8353383 Water motion powered seismic energy source and method for seismic surveying therewith Jan. 15, 2013
7535800 Seismic imaging and tomography using seabed energy sources May. 19, 2009
6286612 Shutoff valve for marine acoustic generator Sep. 11, 2001
6089345 Elastic wave exploration tool for wells Jul. 18, 2000
H1663 Controllable implosive sound projector Jul. 1, 1997
5270985 Seismic pulse generation Dec. 14, 1993
4939704 Method, system and apparatus producing powerful seismic energy impulses by implosion useable in wells in the earth Jul. 3, 1990
4885727 Automatic resetting of seismic water sound source Dec. 5, 1989
4835746 Device for producing soundwaves in water May. 30, 1989
4811815 Process and a device for hydrodynamic sound pulse generation in a liquid Mar. 14, 1989
4805726 Controlled implosive downhole seismic source Feb. 21, 1989
4779245 Long-life, low-maintenance air gun/hydro gun Oct. 18, 1988
4753316 Seismic source Jun. 28, 1988
4747466 Impact tool May. 31, 1988
4733382 Pneumatically-operated liquid slug projector apparatus Mar. 22, 1988
H435 Acoustic source Feb. 2, 1988
4712198 Process for optimizing the frequency spectrum of pulses emitted by an emission device comprising several seismic implosion forces Dec. 8, 1987
4712202 Method and apparatus for converting an air gun into a hydro gun for marine seismic impulse generation Dec. 8, 1987
4697255 Implosion type energy source for seismic exploration Sep. 29, 1987
4682309 Device for generating acoustic pulses by implosion, inside a well Jul. 21, 1987
4632214 Seismic source for use underwater Dec. 30, 1986
4603409 Marine seismic acoustic source Jul. 29, 1986
4594697 Pneumatically-operated liquid slug projector apparatus Jun. 10, 1986
4346779 Vapor implosion in a closed flexible enclosure Aug. 31, 1982
4327813 Generation of seismic sources May. 4, 1982
4303141 Liquid slug projector apparatus Dec. 1, 1981
4300654 Undersea implosion device Nov. 17, 1981
4294328 Device for emitting acoustic waves in a liquid medium by implosion Oct. 13, 1981
4253539 Device for generating acoustic waves in a fluid by implosion Mar. 3, 1981
4185714 Implosive acoustic generator Jan. 29, 1980
4139835 Device for transmitting acoustic waves through a liquid medium Feb. 13, 1979
4016952 Marine gas exploder Apr. 12, 1977
3952833 Method and apparatus for generating pressure waves in water by implosion Apr. 27, 1976











 
 
  Recently Added Patents
Semiconductor device having a plurality of elements on one semiconductor substrate and method of manufacturing the same
Semiconductor arrangement with a solder resist layer
Mobile communication apparatus
Power converter with a variable reference voltage and inrush current limiting
Data feed management
Pre-sealing unit for wire-cut electric discharge machine
Method for forming pattern
  Randomly Featured Patents
Universal swivel snap hook assembly
Fabricating bi-directional nonvolatile memory cells
Moisture drain bush for an engine starter motor
Fuse/anti-fuse structure and methods of making and programming same
Reduced-stress vapor-sorptive garments
Apparatus for stretching dough
Oscillating sprinkler with adjustable mechanism
Distributed user management information in telecommunications networks
Wet chemical etch process for patterning MRAM magnetic layers
Light-emitting device with narrow dominant wavelength distribution and method of making the same