Assignee
STONELEIGH TRUST
US·19 granted patents·648 citations·filing 1977–1985
Top patents by PatentIndex Score
19 records- 0195US4305141ALow-frequency directional sonar systemsSTONELEIGH TRUST·Filed 1979·Granted Dec 8, 1981·76 cites·31 claims
- 0295US4198705ADirectional energy receiving systems for use in the automatic indication of the direction of arrival of the received signalSTONELEIGH TRUST·Filed 1978·Granted Apr 15, 1980·86 cites·8 claims
- 0394US4210969ASonic ranging systems to eliminate errors due to variations in the sound velocity in the mediumSTONELEIGH TRUST·Filed 1978·Granted Jul 1, 1980·79 cites·6 claims
- 0492US4450436AAcoustic alarm repeater systemSTONELEIGH TRUST·Filed 1982·Granted May 22, 1984·82 cites·25 claims
- 0588US4342229AApparatus and method for the non-destructive testing of the physical integrity of a structural partSTONELEIGH TRUST·Filed 1980·Granted Aug 3, 1982·48 cites·17 claims
- 0683US4297538AResonant electroacoustic transducer with increased band width responseSTONELEIGH TRUST·Filed 1979·Granted Oct 27, 1981·35 cites·11 claims
- 0782US4190784APiezoelectric electroacoustic transducers of the bi-laminar flexural vibrating typeSTONELEIGH TRUST·Filed 1978·Granted Feb 26, 1980·32 cites·12 claims
- 0881US4433399AUltrasonic transducersSTONELEIGH TRUST·Filed 1981·Granted Feb 21, 1984·33 cites·10 claims
- 0977US4469175AMechanoacoustic transducer for use in transmitting high acoustic power densities into geological formations such as oil-saturated sandstone or shaleSTONELEIGH TRUST·Filed 1982·Granted Sep 4, 1984·31 cites·5 claims
- 1076US4190783AElectroacoustic transducers of the bi-laminar flexural vibrating type with an acoustic delay lineSTONELEIGH TRUST·Filed 1978·Granted Feb 26, 1980·27 cites·10 claims
- 1174US4439847AHigh efficiency broadband directional sonar transducerSTONELEIGH TRUST·Filed 1981·Granted Mar 27, 1984·27 cites·16 claims
- 1274US4281484ASystem for precisely and economically adjusting the resonance frequence of electroacoustic transducersSTONELEIGH TRUST·Filed 1980·Granted Aug 4, 1981·26 cites·9 claims
- 1374US4189719AIntrusion alarm systemsSTONELEIGH TRUST·Filed 1977·Granted Feb 19, 1980·25 cites·8 claims
- 1446US4305140ALow frequency sonar systemsSTONELEIGH TRUST·Filed 1980·Granted Dec 8, 1981·10 cites·22 claims
- 1543US4700333AHydrophone design to overcome reduction in leakage resistance between electrode surface of transducer element assembly and the water in which the hydrophone is immersedSTONELEIGH TRUST·Filed 1985·Granted Oct 13, 1987·8 cites·10 claims
- 1642US4190937AMethod of manufacturing electroacoustic transducer elements which operate in the vicinity of resonanceSTONELEIGH TRUST·Filed 1979·Granted Mar 4, 1980·6 cites·14 claims
- 1737US4332017AMechanoacoustic transducer for use in transmitting high acoustic power densities into geological formations such as oil-saturated sandstone or shaleSTONELEIGH TRUST·Filed 1979·Granted May 25, 1982·4 cites·15 claims
- 1836US4348869AMeans for detecting the accumulation of frost in a low temperature refrigeration systemSTONELEIGH TRUST·Filed 1980·Granted Sep 14, 1982·8 cites·4 claims
- 1932US4428206AMeans for detecting the accumulation of frost in a low temperature refrigeration systemSTONELEIGH TRUST·Filed 1982·Granted Jan 31, 1984·5 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →