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Class Information
Number: 181/.5
Name: Acoustics > Miscellaneous
Description: Inventions falling within the definition of this class, and not otherwise provided for.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8028790 Sound projection device attachable to a user when not in use Oct. 4, 2011
7870946 Device for non-contact conveying, handling and storage of structural elements and materials Jan. 18, 2011
7530424 Sonic boom simulator May. 12, 2009
6837332 Method and apparatus for cancellation of unwanted signals in MWD acoustic tools Jan. 4, 2005
6814160 Automated seismic geophone deployment Nov. 9, 2004
6647791 Device for contactlessly gripping and positioning components Nov. 18, 2003
6561309 Gas flow generator and apparatus for using the same May. 13, 2003
6250388 Gas impulse device and method of use thereof Jun. 26, 2001
6029519 Apparatus and method for manipulating a body in a fluid Feb. 29, 2000
5992559 Reversible polarity borehole seismic device for P and enhanced S-wave crosshole testing Nov. 30, 1999
5925821 Device for measuring noise in a pipe traversed by a fluid Jul. 20, 1999
5811741 Apparatus for placing geophones beneath the surface of the earth Sep. 22, 1998
5808243 Multistage turbulence shield for microphones Sep. 15, 1998
5712452 Sound generator Jan. 27, 1998
5690145 Fluidic device controlled by remotely located acoustic energy source Nov. 25, 1997
5659155 Acoustical transducer enclosure Aug. 19, 1997
5550789 Water turbulence detector Aug. 27, 1996
5540248 Fluidic sound amplification system Jul. 30, 1996
5517173 Apparatus generating noise sound for electric car May. 14, 1996
5511044 Thrust producing apparatus Apr. 23, 1996
5500493 Acoustic beam levitation Mar. 19, 1996
5467322 Water hammer driven vibrator Nov. 14, 1995
5459699 Method and apparatus for generating high energy acoustic pulses Oct. 17, 1995
5394786 Acoustic/shock wave attenuating assembly Mar. 7, 1995
5389746 Submarine hull structures providing acoustically isolated hull openings Feb. 14, 1995
5371719 High security ultrasonic receiver apparatus Dec. 6, 1994
5347496 Method and system of mapping acoustic near field Sep. 13, 1994
5257676 Method and apparatus for stabilizing levitated objects Nov. 2, 1993
5229973 Method of selecting ultrasonic transducers for use in ultrasonic inspection apparatus Jul. 20, 1993
5225622 Acoustic/shock wave attenuating assembly Jul. 6, 1993
5183974 Gas pulsation attenuator for automotive air conditioning compressor Feb. 2, 1993
5096017 Aero-acoustic levitation device and method Mar. 17, 1992
5081900 Resonance damage process Jan. 21, 1992
RE33771 Visualizing method for three dimensional standing wave sound field Dec. 17, 1991
5072415 Method and microprocessor-based apparatus for directly measuring a particular index for the evaluation of the environmental noise pollution Dec. 10, 1991
5036944 Method and apparatus for acoustic levitation Aug. 6, 1991
5033033 Ultrasonic systems Jul. 16, 1991
5007031 Apparatus for positioning geophones in shallow holes Apr. 9, 1991
4975799 Fibermetal acoustic reflector for sonar Dec. 4, 1990
4970704 Acoustical generator Nov. 13, 1990
4964100 Acoustic detection system Oct. 16, 1990
4962330 Acoustic transducer apparatus with reduced thermal conduction Oct. 9, 1990
4943954 Method and a system for counteracting marine biologic fouling of a hull or a submerged construction Jul. 24, 1990
4920796 Tank level meter May. 1, 1990
4917211 Seismic isolator Apr. 17, 1990
4903793 Noise suppression by gas liquid mixture Feb. 27, 1990
4896535 Tank level meter Jan. 30, 1990
4891474 Sparking stylus for acoustic digitizer Jan. 2, 1990
4878210 Visualizing method for three dimensional standing wave sound field Oct. 31, 1989
4858717 Acoustic convective system Aug. 22, 1989

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