Inventor · disambiguated record
Frank Massa
Also filed as: MASSA FRAK · MASSA FRANK · MASSA FRANK M · MASSA FRANK WILLIAM
44 granted patents·1 pending application·1,184 citations·filing 1970–2025
98Inventor score
Files withSTONELEIGH TRUST17DELLORFANO JR FRED M10FRED M DELLORFANO JR AND DONAL5MASSA DONALD P3MASSA FRANK3
Top patents by PatentIndex Score
45 records- 0196US4066095AAutomatic leakage detection system for pipelines carrying fluidsDELLORFANO JR FRED M·Filed 1976·Granted Jan 3, 1978·82 cites·4 claims
- 0295US4305141ALow-frequency directional sonar systemsSTONELEIGH TRUST·Filed 1979·Granted Dec 8, 1981·76 cites·31 claims
- 0395US4198705ADirectional 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
- 0495US4183011AUltrasonic cleaning systemsMASSA DONALD P·Filed 1977·Granted Jan 8, 1980·64 cites·8 claims
- 0594US4210969ASonic 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
- 0691US4909266AUltrasonic cleaning systemMASSA FRANK·Filed 1989·Granted Mar 20, 1990·57 cites·20 claims
- 0791US4096933ACoin-operated vending systemsDELLORFANO JR FRED M·Filed 1976·Granted Jun 27, 1978·48 cites·12 claims
- 0888US4641290ALow frequency portable lightweight sonar systems and their method of deployment for greatly increasing the efficiency of submarine surveillance over large areasDELLORFANO JR FRED M·Filed 1984·Granted Feb 3, 1987·57 cites·19 claims
- 0988US4342229AApparatus 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
- 1087US3943388AElectroacoustic transducer of the flexural vibrating diaphragm typeDELLORFANO JR FRED M·Filed 1974·Granted Mar 9, 1976·34 cites·9 claims
- 1184US4231112AHigh-power underwater transducer with improved performance and reliability characteristics and method for controlling said improved characteristicsDELLORFANO JR FRED M·Filed 1970·Granted Oct 28, 1980·34 cites·11 claims
- 1284US4011473AUltrasonic transducer with improved transient response and method for utilizing transducer to increase accuracy of measurement of an ultrasonic flow meterFRED M DELLORFANO JR & DONALD·Filed 1975·Granted Mar 8, 1977·40 cites·11 claims
- 1383US4297538AResonant electroacoustic transducer with increased band width responseSTONELEIGH TRUST·Filed 1979·Granted Oct 27, 1981·35 cites·11 claims
- 1482US4190784APiezoelectric electroacoustic transducers of the bi-laminar flexural vibrating typeSTONELEIGH TRUST·Filed 1978·Granted Feb 26, 1980·32 cites·12 claims
- 1581US4433399AUltrasonic transducersSTONELEIGH TRUST·Filed 1981·Granted Feb 21, 1984·33 cites·10 claims
- 1677US4469175AMechanoacoustic 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
- 1776US4190783AElectroacoustic transducers of the bi-laminar flexural vibrating type with an acoustic delay lineSTONELEIGH TRUST·Filed 1978·Granted Feb 26, 1980·27 cites·10 claims
- 1874US4439847AHigh efficiency broadband directional sonar transducerSTONELEIGH TRUST·Filed 1981·Granted Mar 27, 1984·27 cites·16 claims
- 1974US4281484ASystem for precisely and economically adjusting the resonance frequence of electroacoustic transducersSTONELEIGH TRUST·Filed 1980·Granted Aug 4, 1981·26 cites·9 claims
- 2068US4763307AWide-range audio frequency underwater transducerMASSA FRANK·Filed 1987·Granted Aug 9, 1988·44 cites·20 claims
- 2167US4028504AAcoustic amplifier combined with transducer shock mountFRED M DELLORFANO JR AND DONAL·Filed 1975·Granted Jun 7, 1977·19 cites·8 claims
- 2261US4103309AAutomatic camera focusing meansDELLORFANO JR FRED M·Filed 1976·Granted Jul 25, 1978·17 cites·2 claims
- 2361US3949349ADual electroacoustic transducersDELLORFANO JR FRED M·Filed 1974·Granted Apr 6, 1976·15 cites·6 claims
- 2458US12452565B1Interpretation and transformation of unstructured human input to enable end-to-end service visibilityLIGHTRIVER TECH INC·Filed 2025·Granted Oct 21, 2025·0 cites·20 claims
- 2558US5729507ADirectional energy receiving systems for use in the indication of the direction of arrival of the received signalMASSA PRODUCTS CORP·Filed 1985·Granted Mar 17, 1998·23 cites·6 claims
- 2652US4859897ADirectional waterproof ultrasonic transducer for operating in airMASSA FRANK·Filed 1988·Granted Aug 22, 1989·13 cites·8 claims
- 2752US4050056AElectroacoustic transducer design for eliminating phantom target errors in sound ranging systemsFRED M DOLLORFANO JR AND DONAL·Filed 1975·Granted Sep 20, 1977·13 cites·5 claims
- 2848US4660186AElectromagnetic transducers for underwater low-frequency high-power useDELLORFANO JR FRED M·Filed 1986·Granted Apr 21, 1987·13 cites·18 claims
- 2948US3937991AElectroacoustic transducers of the bilaminar flexural vibrating type and method for manufacturing sameFRED M DELLORFANO JR AND DONAL·Filed 1971·Granted Feb 10, 1976·12 cites·12 claims
- 3046US4305140ALow frequency sonar systemsSTONELEIGH TRUST·Filed 1980·Granted Dec 8, 1981·10 cites·22 claims
- 3146US4084150AUnderwater depth sounder with variable beam transducerDELLORFANO JR FRED M·Filed 1976·Granted Apr 11, 1978·8 cites·8 claims
- 3244US4128370AManufacture of electroacoustic transducers which require molding an elastomer to the surface of the transducer materialFRED M DELLORFANO JR AND DONAL·Filed 1977·Granted Dec 5, 1978·9 cites·3 claims
- 3343US4700333AHydrophone 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
- 3443US4191904AElectroacoustic transducers of the flexural resonant vibratile typeMASSA DONALD P·Filed 1978·Granted Mar 4, 1980·7 cites·10 claims
- 3542US4190937AMethod of manufacturing electroacoustic transducer elements which operate in the vicinity of resonanceSTONELEIGH TRUST·Filed 1979·Granted Mar 4, 1980·6 cites·14 claims
- 3642US2004213189A1Environmentally-hardened ATM networkFiled 2001·Application pending·0 cites
- 3741US4769795AMethod of making an underwater electroacoustic transducer with long-lasting high leakage resistanceMASSA F·Filed 1987·Granted Sep 6, 1988·9 cites·4 claims
- 3841US4123567AProcess for applying electrodes to the surfaces of electroacoustic transducer elements such as ceramic discsMASSA DONALD P·Filed 1977·Granted Oct 31, 1978·5 cites·5 claims
- 3939US4745586AElectromagnetic transducers for underwater low-frequency high-power useDELLORFANO JR FRED M·Filed 1987·Granted May 17, 1988·8 cites·18 claims
- 4037US4332017AMechanoacoustic 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
- 4136US4348869AMeans for detecting the accumulation of frost in a low temperature refrigeration systemSTONELEIGH TRUST·Filed 1980·Granted Sep 14, 1982·8 cites·4 claims
- 4236US3932833AInstrument for direct measurement of the velocity of sound in a fluidFRED M DELLORFANO JR AND DONAL·Filed 1970·Granted Jan 13, 1976·3 cites·5 claims
- 4335US4736350AElectromagnetic transducers for underwater low-frequency high-power useFRED M DELLORFANO JR·Filed 1986·Granted Apr 5, 1988·7 cites·20 claims
- 4432US4428206AMeans for detecting the accumulation of frost in a low temperature refrigeration systemSTONELEIGH TRUST·Filed 1982·Granted Jan 31, 1984·5 cites·5 claims
- 4532US4033180AUltrasonic microphone for operating with an accumulated layer of mud over its vibratile surface without change in sensitivity within its prescribed frequency rangeFRED M DELLORFANO JR AND DONAL·Filed 1976·Granted Jul 5, 1977·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →