Assignee
SPARTON CORP
65 granted patents·1 pending application·1,768 citations·filing 1972–2019
Top patents by PatentIndex Score
66 records- 0194US4892014AElectronic controller for automatic transmissionsSPARTON CORP·Filed 1988·Granted Jan 9, 1990·197 cites·2 claims
- 0292US9841145B1Axial piercing mechanism for pressurized gas canisterSPARTON CORP·Filed 2016·Granted Dec 12, 2017·11 cites·20 claims
- 0392US5311581ARemote meter reading method and apparatusSPARTON CORP·Filed 1992·Granted May 10, 1994·92 cites·6 claims
- 0490US5062344ABowline knot in a braided lineSPARTON CORP·Filed 1990·Granted Nov 5, 1991·385 cites·4 claims
- 0583US3978903ATubeless tire bead seaterSPARTON CORP·Filed 1975·Granted Sep 7, 1976·38 cites·8 claims
- 0682US5379267ABuoyancy control systemSPARTON CORP·Filed 1993·Granted Jan 3, 1995·40 cites·15 claims
- 0781US5018610AService brake and shift lever interlock systemSPARTON CORP·Filed 1989·Granted May 28, 1991·42 cites·18 claims
- 0880US5129494AService brake and shift lever interlock systemSPARTON CORP·Filed 1990·Granted Jul 14, 1992·35 cites·20 claims
- 0980US5010568ARemote meter reading method and apparatusSPARTON CORP·Filed 1989·Granted Apr 23, 1991·58 cites·9 claims
- 1078US9612085B2Payload launch system and methodSPARTON CORP·Filed 2015·Granted Apr 4, 2017·4 cites·20 claims
- 1178US5181592AShift lever interlock systemSPARTON CORP·Filed 1990·Granted Jan 26, 1993·31 cites·40 claims
- 1276US10973140B2Method for assembling a printed circuit board assemblySPARTON CORP·Filed 2019·Granted Apr 6, 2021·1 cites·20 claims
- 1376US4628315AAddressable transducer with improved address signal processingSPARTON CORP·Filed 1983·Granted Dec 9, 1986·41 cites·4 claims
- 1476US3972018AElectromechanical transducerSPARTON CORP·Filed 1972·Granted Jul 27, 1976·25 cites·4 claims
- 1575US10420239B2Control of electric field effects in a printed circuit board assembly using embedded nickel-metal composite materialsSPARTON CORP·Filed 2018·Granted Sep 17, 2019·1 cites·20 claims
- 1673US5251877ASheave plate and cable assembly for a tire lift/carrier winchSPARTON CORP·Filed 1991·Granted Oct 12, 1993·33 cites·3 claims
- 1773US4709360AHydrophone transducer with negative feedback systemSPARTON CORP·Filed 1985·Granted Nov 24, 1987·34 cites·13 claims
- 1871US10070547B2Control of electric field effects in a printed circuit board assembly using embedded nickel-metal composite materialsSPARTON CORP·Filed 2016·Granted Sep 4, 2018·1 cites·17 claims
- 1971US5251723AService brake and shift lever interlock systemSPARTON CORP·Filed 1992·Granted Oct 12, 1993·32 cites·3 claims
- 2071US5125628ASheave and cable assembly for a tire lift/carrier winchSPARTON CORP·Filed 1990·Granted Jun 30, 1992·36 cites·14 claims
- 2170US4249081ADefect detection systemSPARTON CORP·Filed 1979·Granted Feb 3, 1981·14 cites·7 claims
- 2268US4399440AAddressable transducer with a variable frequency oscillation for monitoring a physical quantitySPARTON CORP·Filed 1981·Granted Aug 16, 1983·25 cites·5 claims
- 2367US5415377ASheave assembly for a tire lift/carrier winchSPARTON CORP·Filed 1992·Granted May 16, 1995·30 cites·7 claims
- 2464US5049853AElectric horn with solid state driverSPARTON CORP·Filed 1989·Granted Sep 17, 1991·21 cites·8 claims
- 2563US3953829APartially filled fluid damped geophoneSPARTON CORP·Filed 1975·Granted Apr 27, 1976·24 cites·3 claims
- 2662US4936158ATransmission shift control mechanism with park lockSPARTON CORP·Filed 1987·Granted Jun 26, 1990·19 cites·23 claims
- 2762US4433750ASynthetic horn projector with metal insertSPARTON CORP·Filed 1982·Granted Feb 28, 1984·20 cites·6 claims
- 2860US5289907AShift lever interlock systemSPARTON CORP·Filed 1993·Granted Mar 1, 1994·17 cites·10 claims
- 2960US5267714AFuel tank hanger strapSPARTON CORP·Filed 1992·Granted Dec 7, 1993·22 cites·11 claims
- 3060US4986143ATransmission shift control mechanism with park lockSPARTON CORP·Filed 1989·Granted Jan 22, 1991·18 cites·5 claims
- 3159US5266921AMethod and apparatus for adjusting vehicle hornsSPARTON CORP·Filed 1992·Granted Nov 30, 1993·23 cites·17 claims
- 3258US4361952AMethod of adjusting air gap of an electric hornSPARTON CORP·Filed 1981·Granted Dec 7, 1982·16 cites·3 claims
- 3355US5161182ARemote meter reading method and apparatusSPARTON CORP·Filed 1991·Granted Nov 3, 1992·29 cites·4 claims
- 3455US4323786ASeam detection and control systemSPARTON CORP·Filed 1980·Granted Apr 6, 1982·16 cites·9 claims
- 3553US5414406ASelf-tuning vehicle hornSPARTON CORP·Filed 1992·Granted May 9, 1995·34 cites·7 claims
- 3653US5293149AVehicle horn with electronic solid state energizing circuitSPARTON CORP·Filed 1991·Granted Mar 8, 1994·27 cites·13 claims
- 3753US5065604AIgnition interlock systemSPARTON CORP·Filed 1990·Granted Nov 19, 1991·19 cites·11 claims
- 3852US4389575AFabric inspection systemSPARTON CORP·Filed 1980·Granted Jun 21, 1983·17 cites·5 claims
- 3950US4813123AMethod of adjusting an electric horn air gapSPARTON CORP·Filed 1988·Granted Mar 21, 1989·13 cites·8 claims
- 4049US4733597ASequential launching systemSPARTON CORP·Filed 1987·Granted Mar 29, 1988·14 cites·8 claims
- 4148US4717906AElectric horn with improved pole piece and adjusting capSPARTON CORP·Filed 1986·Granted Jan 5, 1988·13 cites·6 claims
- 4247US4441099ADiaphragm hornSPARTON CORP·Filed 1982·Granted Apr 3, 1984·10 cites·5 claims
- 4347US4056869AWelded muffler clampSPARTON CORP·Filed 1977·Granted Nov 8, 1977·14 cites·9 claims
- 4447US4029233ASonobuoy retainer plateSPARTON CORP·Filed 1975·Granted Jun 14, 1977·11 cites·3 claims
- 4547US2015245548A1Control of electric field effects in a printed circuit board assembly using embedded nickel-metal composite materialsSPARTON CORP·Filed 2014·Application pending·0 cites
- 4646US5070427AThermal switch for battery protectionSPARTON CORP·Filed 1990·Granted Dec 3, 1991·22 cites·7 claims
- 4744US4949069ADynamic liquid level indicatorSPARTON CORP·Filed 1988·Granted Aug 14, 1990·14 cites·13 claims
- 4843US4338978ALead chloride battery plateSPARTON CORP·Filed 1980·Granted Jul 13, 1982·10 cites·3 claims
- 4941US5265708AClutch for tire lift/carrier winchSPARTON CORP·Filed 1991·Granted Nov 30, 1993·7 cites·8 claims
- 5041US4716554ATapered wiring harnessSPARTON CORP·Filed 1985·Granted Dec 29, 1987·12 cites·10 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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