Inventor · disambiguated record
Bo H. G. Ljung
Also filed as: GAMERTSFELDER GEORGE R · KOPER JAMES G · LJUNG BO · LJUNG BO H
42 granted patents·800 citations·filing 1973–1998
98Inventor score
Top patents by PatentIndex Score
42 records- 0195US4267478APathlength controller for a ring laser gyroscopeSINGER CO·Filed 1978·Granted May 12, 1981·49 cites·15 claims
- 0287US6009751ACoriolis gyro sensorFiled 1998·Granted Jan 4, 2000·118 cites·15 claims
- 0383US4159075AHermetic bonded sealSINGER CO·Filed 1977·Granted Jun 26, 1979·45 cites·12 claims
- 0481US4160184APiezoelectric actuator for a ring laserSINGER CO·Filed 1978·Granted Jul 3, 1979·35 cites·14 claims
- 0579US4477188AMonolithic three axis ring laser gyroscopeSINGER CO·Filed 1982·Granted Oct 16, 1984·31 cites·3 claims
- 0678US4344706ARing laser gyro dither pulse eliminatorSINGER CO·Filed 1980·Granted Aug 17, 1982·29 cites·10 claims
- 0777US4386853ABending actuator for ring laser gyroscopeSINGER CO·Filed 1980·Granted Jun 7, 1983·20 cites·11 claims
- 0877US4370583APiezoelectric motor for dithering ring laser gyroscopesSINGER CO·Filed 1981·Granted Jan 25, 1983·25 cites·7 claims
- 0977US4320974APathlength controller for a ring laser cyroscopeSINGER CO·Filed 1980·Granted Mar 23, 1982·25 cites·10 claims
- 1076US4691323APath length controller for ring laser gyroscopeSINGER CO·Filed 1984·Granted Sep 1, 1987·26 cites·1 claims
- 1175US4282495AHigh efficiency current regulator for ring laser gyroscopeSINGER CO·Filed 1979·Granted Aug 4, 1981·18 cites·2 claims
- 1275US4202089ASplat-cooled instrument flexure and method to fabricate sameSINGER CO·Filed 1978·Granted May 13, 1980·11 cites·2 claims
- 1373US4425040ARing laser gyroscope cluster for strapped down navigationSINGER CO·Filed 1981·Granted Jan 10, 1984·24 cites·5 claims
- 1472US5359413ASystem for substantially eleminating lock-in in a ring laser gyroscopeKEARFOTT GUIDANCE & NAVIGATION·Filed 1992·Granted Oct 25, 1994·38 cites·21 claims
- 1572US4019391AVibratory gyroscopeSINGER CO·Filed 1975·Granted Apr 26, 1977·19 cites·36 claims
- 1671US4503543ARing laser gyroscope getter-holderSINGER CO·Filed 1982·Granted Mar 5, 1985·17 cites·8 claims
- 1770US4411527ARing laser gyroscope with compensationSINGER CO·Filed 1981·Granted Oct 25, 1983·18 cites·3 claims
- 1870US4190364ARing laser gyroscopeSINGER CO·Filed 1977·Granted Feb 26, 1980·19 cites·5 claims
- 1969US4410276ARing laser gyroscope with doppler mirrorsSINGER CO·Filed 1981·Granted Oct 18, 1983·17 cites·8 claims
- 2068US4436423ARing laser gyroscope suspensionSINGER CO·Filed 1981·Granted Mar 13, 1984·21 cites·4 claims
- 2168US4156571ALaser mirror scatter and reflectivity measuring systemSINGER CO·Filed 1977·Granted May 29, 1979·20 cites·15 claims
- 2266US4410274ARing laser gyroscope with doppler mirrors and offset actuatorsSINGER CO·Filed 1981·Granted Oct 18, 1983·16 cites·4 claims
- 2365US5311280ALaser light length control assembly for ring laser gyroKEARFOTT GUIDANCE & NAVIGATION·Filed 1983·Granted May 10, 1994·17 cites·2 claims
- 2464US4277173ARing laser gyroscope dither drive circuitSINGER CO·Filed 1979·Granted Jul 7, 1981·14 cites·10 claims
- 2564US4257015ARing laser gyroscope anodeSINGER CO·Filed 1979·Granted Mar 17, 1981·11 cites·8 claims
- 2663US4406965ADither pick-off transducer for ring laser gyroscopeSINGER CO·Filed 1981·Granted Sep 27, 1983·14 cites·8 claims
- 2763US4153317AIndium seal for gas laserSINGER CO·Filed 1977·Granted May 8, 1979·11 cites·9 claims
- 2851US4886364ARing laser gyroscope beam combiner for separating and combining circulating laser beams for power and fringe pattern detectionsKEARFOTT GUIDANCE & NAVIGATION·Filed 1987·Granted Dec 12, 1989·12 cites·8 claims
- 2950US4167336ARing laser gyroscope having wedge desensitizing optical meansSINGER CO·Filed 1977·Granted Sep 11, 1979·8 cites·11 claims
- 3048US4861161AMethod of constructing a moment insensitive pathlength control mirror assembly for a ring laser gyroscopeKEARFOTT GUIDANCE & NAVIGATION·Filed 1988·Granted Aug 29, 1989·10 cites·9 claims
- 3145US3987431ADevice for analogous representation of alpha-numerical signs digitalized in columnsSIEMENS AG·Filed 1973·Granted Oct 19, 1976·5 cites·6 claims
- 3244US4585346APathlength controller for three-axis ring laser gyroscope assemblySINGER CO·Filed 1983·Granted Apr 29, 1986·7 cites·6 claims
- 3343US4444502ARing laser gyroscope with fiber optic beam combinerSINGER CO·Filed 1981·Granted Apr 24, 1984·6 cites·11 claims
- 3443US4276924AMethod and apparatus for casting a splat-cooled flexure memberSINGER CO·Filed 1979·Granted Jul 7, 1981·5 cites·3 claims
- 3540US4865452ABeam combiner assembly for ring laser gyroscopeKEARFOTT GUIDANCE & NAVIGATION·Filed 1988·Granted Sep 12, 1989·7 cites·20 claims
- 3640US4561780APathlength controller for ring laser gyroscopeSINGER CO·Filed 1980·Granted Dec 31, 1985·6 cites·1 claims
- 3740US3992953AAccelerometer using radioactive pickoffSINGER CO·Filed 1974·Granted Nov 23, 1976·4 cites·6 claims
- 3839US4639231ARetainer for electrically fired getterSINGER CO·Filed 1985·Granted Jan 27, 1987·5 cites·7 claims
- 3938US4455060ARing laser gyro cathode connectionSINGER CO·Filed 1982·Granted Jun 19, 1984·6 cites·3 claims
- 4035US5200932AUnderwater audible signalling deviceLJUNG BO H G·Filed 1992·Granted Apr 6, 1993·9 cites·7 claims
- 4131US4085982ASeal free liquid bearingSINGER CO·Filed 1976·Granted Apr 25, 1978·2 cites·12 claims
- 4228USD272801SFlexure hinge for gyroscopes or the likeSINGER CO·Filed 1981·Granted Feb 28, 1984·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →