Inventor · disambiguated record
Richard W. Babbitt
Also filed as: BABBITT RICHARD W
57 granted patents·2,473 citations·filing 1978–1996
99Inventor score
Top patents by PatentIndex Score
57 records- 0199US5640042AThin film ferroelectric varactorUS ARMY·Filed 1995·Granted Jun 17, 1997·369 cites·8 claims
- 0299US5212463APlanar ferro-electric phase shifterUS ARMY·Filed 1992·Granted May 18, 1993·222 cites·10 claims
- 0399US4745377AMicrostrip to dielectric waveguide transitionUS ARMY·Filed 1987·Granted May 17, 1988·239 cites·6 claims
- 0498US5561407ASingle substrate planar digital ferroelectric phase shifterUS ARMY·Filed 1995·Granted Oct 1, 1996·181 cites·13 claims
- 0598US5307033APlanar digital ferroelectric phase shifterUS ARMY·Filed 1993·Granted Apr 26, 1994·210 cites·12 claims
- 0697US5479139ASystem and method for calibrating a ferroelectric phase shifterUS ARMY·Filed 1995·Granted Dec 26, 1995·148 cites·16 claims
- 0797US4839659AMicrostrip phase scan antenna arrayUS ARMY·Filed 1988·Granted Jun 13, 1989·191 cites·7 claims
- 0893US5334958AMicrowave ferroelectric phase shifters and methods for fabricating the sameUS ARMY·Filed 1993·Granted Aug 2, 1994·141 cites·11 claims
- 0993US4785304APhase scan antenna arrayUS ARMY·Filed 1986·Granted Nov 15, 1988·135 cites·8 claims
- 1087US5819164AModulated retroreflection system for secure communication and identificationUS ARMY·Filed 1996·Granted Oct 6, 1998·93 cites·15 claims
- 1182US5189433ASlotted microstrip electronic scan antennaUS ARMY·Filed 1991·Granted Feb 23, 1993·58 cites·13 claims
- 1281US4845449AMillimeter wave microstrip modulator/switchUS ARMY·Filed 1988·Granted Jul 4, 1989·30 cites·5 claims
- 1380US4538123ADielectric waveguide bandpass apparatusUS ARMY·Filed 1984·Granted Aug 27, 1985·25 cites·6 claims
- 1478US5243354AMicrostrip electronic scan antenna arrayUS ARMY·Filed 1992·Granted Sep 7, 1993·51 cites·9 claims
- 1573US4749966AMillimeter wave microstrip circulatorUS ARMY·Filed 1987·Granted Jun 7, 1988·21 cites·5 claims
- 1662US4691208AFerrite waveguide scanning antennaUS ARMY·Filed 1984·Granted Sep 1, 1987·17 cites·9 claims
- 1759US4490700ADielectric waveguide ferrite modulator/switchUS ARMY·Filed 1982·Granted Dec 25, 1984·13 cites·5 claims
- 1858US4806886AMicrostrip resonance isolatorUS ARMY·Filed 1988·Granted Feb 21, 1989·13 cites·5 claims
- 1958US4564000APrecision cutting of millimeter wave ferrite materialsUS ARMY·Filed 1984·Granted Jan 14, 1986·13 cites·7 claims
- 2058US4458218ADielectric waveguide reciprocal ferrite phase shifterUS ARMY·Filed 1982·Granted Jul 3, 1984·13 cites·15 claims
- 2157US4415871ADielectric waveguide circulatorUS ARMY·Filed 1981·Granted Nov 15, 1983·12 cites·13 claims
- 2255US4881052AMillimeter wave microstrip nonreciprocal phase shifterUS ARMY·Filed 1988·Granted Nov 14, 1989·12 cites·7 claims
- 2355US4879562ASlotted microstrip antenna with ferrite coatingUS ARMY·Filed 1989·Granted Nov 7, 1989·16 cites·9 claims
- 2455US4816787AMillimeter wave microstrip phase shifterUS ARMY·Filed 1988·Granted Mar 28, 1989·12 cites·4 claims
- 2554USH1408HMicrowave circulator with a planar, biasing, permanent magnetUS ARMY·Filed 1993·Granted Jan 3, 1995·12 cites·4 claims
- 2651US5173666AMicrostrip-to-inverted-microstrip transitionUS ARMY·Filed 1992·Granted Dec 22, 1992·11 cites·17 claims
- 2750US5177456AMicrostrip ferrite circulator for substrate transitioningUS ARMY·Filed 1992·Granted Jan 5, 1993·10 cites·6 claims
- 2850US5052183AOpen cryogenic microwave test chamberUS ARMY·Filed 1991·Granted Oct 1, 1991·13 cites·13 claims
- 2949US5309117ASuperconducting ring resonator microwave oscillator for operating as a remote temperature sensorUS ARMY·Filed 1993·Granted May 3, 1994·14 cites·15 claims
- 3049US4754237ASwitchable millimeter wave microstrip circulatorUS ARMY·Filed 1987·Granted Jun 28, 1988·9 cites·5 claims
- 3148US5321367ACircuit for measuring capacitance at high DC bias voltageUS ARMY·Filed 1992·Granted Jun 14, 1994·12 cites·2 claims
- 3248US5160904AMicrostrip circuit with transition for different dielectric materialsUS ARMY·Filed 1991·Granted Nov 3, 1992·9 cites·1 claims
- 3347US4746926APhase scan antennaUS ARMY·Filed 1986·Granted May 24, 1988·13 cites·6 claims
- 3446US5585330ALow-loss, wide bandwidth limiterUS ARMY·Filed 1995·Granted Dec 17, 1996·12 cites·17 claims
- 3546US4517536ALow loss dielectric waveguide joint and method of forming sameUS ARMY·Filed 1982·Granted May 14, 1985·8 cites·7 claims
- 3646US4459567ADielectric waveguide ferrite resonance isolatorUS ARMY·Filed 1982·Granted Jul 10, 1984·8 cites·15 claims
- 3745US4887054ACompact microstrip latching reciprocal phase shifterUS ARMY·Filed 1988·Granted Dec 12, 1989·7 cites·4 claims
- 3845US4777454ASwitchable dielectric waveguide circulatorUS ARMY·Filed 1987·Granted Oct 11, 1988·7 cites·6 claims
- 3945US4468673AFrequency scan antenna utilizing supported dielectric waveguideUS ARMY·Filed 1982·Granted Aug 28, 1984·9 cites·6 claims
- 4042US5258730AMicrostrip transmission line substrate to substrate transitionUS ARMY·Filed 1992·Granted Nov 2, 1993·7 cites·7 claims
- 4141US4516131AVariable slot conductance dielectric antenna and methodUS GOV SEC ARMY·Filed 1983·Granted May 7, 1985·9 cites·9 claims
- 4240US5101182ADrop-in magnetically tunable microstrip bandpass filterUS ARMY·Filed 1991·Granted Mar 31, 1992·7 cites·4 claims
- 4340US5075630AVariable inverted microstrip coax test fixtureUS ARMY·Filed 1990·Granted Dec 24, 1991·9 cites·12 claims
- 4439US5180997AMicrostrip high reverse loss isolatorUS ARMY·Filed 1991·Granted Jan 19, 1993·6 cites·6 claims
- 4538US5144320ASwitchable scan antenna arrayUS ARMY·Filed 1992·Granted Sep 1, 1992·9 cites·9 claims
- 4638US4862117ACompact millimeter wave microstrip circulatorUS ARMY·Filed 1989·Granted Aug 29, 1989·4 cites·5 claims
- 4737US4542357ADielectric waveguide ferrite resonance isolatorUS ARMY·Filed 1983·Granted Sep 17, 1985·4 cites·20 claims
- 4835US5413983AMillimeter wave ferrite switch utilizing a superconducting switching coilUS ARMY·Filed 1993·Granted May 9, 1995·4 cites·3 claims
- 4935US4755827AMillimeter wavelength monolithic ferrite circulator/antenna deviceUS ARMY·Filed 1987·Granted Jul 5, 1988·5 cites·8 claims
- 5035US4424517AIntegrated dielectric waveguide radar front end deviceUS ARMY·Filed 1983·Granted Jan 3, 1984·4 cites·8 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →