| Patents for G10K 11 - Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general (21,150) |
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| 06/24/1992 | EP0490986A1 Absorbant acoustic material and anechoic coating using same |
| 06/24/1992 | EP0490924A1 Method of manufacturing glass reinforced concrete building products |
| 06/24/1992 | EP0490918A1 Lightweight foamed metal and its production |
| 06/23/1992 | US5123418 Micro-echographic probe for ultrasound collimation through a deformable surface |
| 06/23/1992 | US5123415 Ultrasonic imaging by radial scan of trapezoidal sector |
| 06/23/1992 | US5123404 Apparatus for destroying calculi |
| 06/23/1992 | CA1303889C Sound absorption barriers |
| 06/17/1992 | EP0490885A2 Engine noise control device |
| 06/17/1992 | EP0489894A1 A composite structural component. |
| 06/16/1992 | US5122992 Transducer assembly |
| 06/11/1992 | WO1992009988A1 Improvements in attenuators |
| 06/11/1992 | DE4037865A1 Sound-proofing union plate - has core of pressed wood and/or cellulose in form of briquettes |
| 06/10/1992 | EP0489222A2 Ultrasound probe and lens assembly for use therein |
| 06/09/1992 | US5121361 Programmable beam former |
| 06/09/1992 | US5119902 Active muffler transducer arrangement |
| 06/03/1992 | EP0487630A1 Intravascular ultrasonic imaging probe |
| 06/02/1992 | US5119427 Extended frequency range Helmholtz resonators |
| 06/02/1992 | US5119342 Focused ultrasound imaging system and method |
| 06/02/1992 | US5117939 Sound attenuator |
| 06/02/1992 | US5117832 Curved rectangular/elliptical transducer |
| 06/02/1992 | US5117697 Ultrasonic flaw detector |
| 06/02/1992 | US5117642 Low noise refrigerator and noise control method thereof |
| 05/29/1992 | WO1992009049A1 Surface feature mapping using high resolution c-scan ultrasonography |
| 05/29/1992 | WO1992008413A1 Device for producing focussed sound waves |
| 05/27/1992 | EP0486815A1 Acoustic focussing device |
| 05/27/1992 | EP0486689A1 Ultrasonic inspection apparatus |
| 05/27/1992 | CN2105744U Student calm keeping device |
| 05/26/1992 | US5117461 Electroacoustic device for hearing needs including noise cancellation |
| 05/26/1992 | US5117401 Active adaptive noise canceller without training mode |
| 05/26/1992 | US5115814 Intravascular ultrasonic imaging probe and methods of using same |
| 05/26/1992 | CA1301905C Deratization system with control of the remote terminals by means of simultaneously transmitted frequencies |
| 05/21/1992 | DE4106700A1 Vibration attenuating metallic support plates - made by plasma spraying thin coating of aluminium oxide or chromium oxide ceramic |
| 05/21/1992 | DE4036981A1 Vorrichtung zur erzeugung von fokussierten akustischen schallwellen Device for generating focussed acoustic sound waves |
| 05/21/1992 | DE4036401A1 Geraeuschdaempfer fuer scheibenbremsen Disc brakes for Geraeuschdaempfer |
| 05/20/1992 | EP0486427A1 Heat shield adapted for recycling |
| 05/20/1992 | EP0486180A2 Active attenuation system with specified output acoustic wave |
| 05/19/1992 | US5115474 Speaker system |
| 05/19/1992 | US5115414 Conical ultrasonic wave deflection system |
| 05/19/1992 | US5113866 Method for ultrasound imaging |
| 05/19/1992 | US5113706 Ultrasound system with dynamic transmit focus |
| 05/19/1992 | CA1301299C Ultrasonic non-destructive control device for tubes |
| 05/14/1992 | WO1992008225A1 Treatment of acoustic noise generated by vehicles |
| 05/14/1992 | DE4035381A1 Combined metal and rubber mounting |
| 05/13/1992 | EP0485352A2 Tube testing apparatus |
| 05/12/1992 | US5112697 Stabilized metal foam body |
| 05/12/1992 | US5111805 Piezoelectric transducer |
| 05/12/1992 | US5111695 Dynamic phase focus for coherent imaging beam formation |
| 05/06/1992 | EP0484306A1 Ear-protection cup for ear muffs or headphones |
| 05/06/1992 | EP0483921A1 Acoustic conductance in a system of duct |
| 05/06/1992 | EP0483603A2 Pressure pulse source |
| 05/06/1992 | EP0483396A1 Acoustic pressure impulse generator |
| 05/05/1992 | US5111509 Electric acoustic converter |
| 05/05/1992 | US5111507 System for reducing noise level in vehicular cabin |
| 05/05/1992 | US5109948 Frequency controlled motor driven low frequency sound generator |
| 05/05/1992 | US5109860 Probe with curved bar for an echograph |
| 04/30/1992 | WO1992008224A1 Active vibration control system with multiple inputs |
| 04/30/1992 | WO1992008223A1 Active vibration control system |
| 04/30/1992 | DE4034412A1 Degassing arrangement for acoustic propagation media - comprises evacuatable vessel in which helically coiled, silicone hose is located, and hose is connected to fluid circulation lines |
| 04/30/1992 | DE4034127A1 Prevention of impact noise of moving parts of pressure limiting valve - by fitting rubber ring between two parts |
| 04/28/1992 | US5109364 Transducer for high speed boats |
| 04/28/1992 | US5108833 Variations in specific gravity; sound and heat insulation |
| 04/28/1992 | US5107844 Ultrasonic observing apparatus |
| 04/28/1992 | CA1299725C Noise reduction systems |
| 04/23/1992 | WO1992007258A1 Hand-held ultrasonic probe |
| 04/23/1992 | DE4033402A1 Device which reduces level of reflected sound - consists of cushion containing gas such as helium@ |
| 04/22/1992 | EP0481450A1 Silencer arrangement for internal combustion engines |
| 04/22/1992 | EP0480936A1 A method and a system for counteracting marine biologic fouling of a hull or a submerged construction. |
| 04/21/1992 | US5105814 Method of transforming a multi-beam ultrasonic image |
| 04/21/1992 | US5105813 Ultrasonic diagnosing apparatus with steerable ultrasonic beams |
| 04/21/1992 | CA1299271C Active attenuator and method |
| 04/21/1992 | CA1299082C Magnetically adhesive damping foil |
| 04/15/1992 | EP0480086A1 Programmable beam former |
| 04/15/1992 | CN1060365A Plastic casing of snail-shaped electric horn for automobile and manufacture thereof |
| 04/14/1992 | US5105377 Digital virtual earth active cancellation system |
| 04/14/1992 | US5103927 Variable pattern, collapsible, directional transducer |
| 04/14/1992 | CA1298793C Active noise control |
| 04/08/1992 | EP0479367A2 Method and apparatus for attenuating engine generated noise |
| 04/07/1992 | US5103432 Expendable sound source |
| 04/07/1992 | US5102043 Method and apparatus for producing snow using ultrasonic waves |
| 04/02/1992 | WO1992005538A1 Noise cancelling systems |
| 04/01/1992 | EP0477575A1 Ultrasonic converter, in particular for air and gas flow measurement, and process of manufacturing the same |
| 03/31/1992 | US5101383 Method for the formation of channels for sonar |
| 03/31/1992 | US5101133 Ultrasonic transducer having piezoelectric transducer elements |
| 03/31/1992 | US5099692 Apparatus for carrying mobile means of inspection in the interior of a tubular body |
| 03/26/1992 | CA2052034A1 Us transducer for air and gas flow measurement and a method for the manufacture thereof |
| 03/25/1992 | EP0476495A1 Three-dimensional display of ultrasound images |
| 03/24/1992 | US5099457 Acoustic wave reflector capable of working under deep submersion |
| 03/24/1992 | US5097923 Active sound attenation system for engine exhaust systems and the like |
| 03/24/1992 | US5097709 Ultrasonic imaging system |
| 03/19/1992 | WO1992004628A1 Ultrasonic microscope |
| 03/19/1992 | WO1992003971A1 Acoustic fiber measurement of intravascular blood |
| 03/18/1992 | EP0475139A2 Method and apparatus for SAW device passivation |
| 03/18/1992 | EP0316433B1 Delay quantization technique to reduce steering errors in digital beamformers |
| 03/17/1992 | US5097451 Radial damper disk |
| 03/17/1992 | US5096517 Process of sound insulation of hollow bodies |
| 03/17/1992 | US5095796 Tuned-port rigid baffle panel for drum type percussion instruments |
| 03/17/1992 | CA1297420C Dimensionally-recoverable damping article |
| 03/11/1992 | EP0474593A1 Material for acoustic insulation and damping |
| 03/11/1992 | EP0474341A2 Dynamic phase focus for coherent imaging beam formation |
| 03/11/1992 | EP0474029A2 Omnidirectional modular siren |