Inventor · disambiguated record
Alfred R. Lopez
Also filed as: LOPEZ ALFRED R
51 granted patents·1,396 citations·filing 1975–2010
99Inventor score
Files withHAZELTINE CORP19BAE SYSTEMS INFORMATION11MARCONI AEROSPACE SYSTEMS INC5LOPEZ ALFRED R3BAE SYS INF & ELECT SYS INTEG2
Top patents by PatentIndex Score
51 records- 0192US7450082B1Small tuned-element GPS antennas for anti-jam adaptive processingBAE SYSTEMS INFORMATION·Filed 2006·Granted Nov 11, 2008·29 cites·14 claims
- 0292US6618016B1Eight-element anti-jam aircraft GPS antennasBAE SYSTEMS AEROSPACE INC·Filed 2001·Granted Sep 9, 2003·86 cites·34 claims
- 0391US5684794AValidation of subscriber signals in a cellular radio networkHAZELTINE CORP·Filed 1996·Granted Nov 4, 1997·191 cites·17 claims
- 0490US7417597B1GPS antenna systems and methods with vertically-steerable null for interference suppressionBAE SYSTEMS INFORMATION·Filed 2007·Granted Aug 26, 2008·24 cites·20 claims
- 0589US5907816AHigh gain antenna systems for cellular useMARCONI AEROSPACE SYSTEMS INC·Filed 1997·Granted May 25, 1999·150 cites·15 claims
- 0686US5684491AHigh gain antenna systems for cellular useHAZELTINE CORP·Filed 1995·Granted Nov 4, 1997·123 cites·36 claims
- 0784US6873301B1Diamond array low-sidelobes flat-plate antenna systems for satellite communicationBAE SYSTEMS INFORMATION·Filed 2003·Granted Mar 29, 2005·40 cites·26 claims
- 0884US4041501ALimited scan array antenna systems with sharp cutoff of element patternHAZELTINE CORP·Filed 1975·Granted Aug 9, 1977·50 cites·38 claims
- 0982US6819291B1Reduced-size GPS antennas for anti-jam adaptive processingFiled 2003·Granted Nov 16, 2004·41 cites·21 claims
- 1082US4364050AMicrostrip antennaHAZELTINE CORP·Filed 1981·Granted Dec 14, 1982·37 cites·23 claims
- 1180US5982337ACellular antennas for stratosphere coverage of multi-band annular earth patternMARCONI AEROSPACE SYSTEMS INC·Filed 1998·Granted Nov 9, 1999·68 cites·21 claims
- 1278US7583236B1Wideband communication antenna systems with low angle multipath suppressionBAE SYSTEMS INFORMATION·Filed 2007·Granted Sep 1, 2009·10 cites·19 claims
- 1377US5534882AGPS antenna systemsHAZELTINE CORP·Filed 1994·Granted Jul 9, 1996·50 cites·25 claims
- 1476US8493278B2Antennas and methods to provide adaptable omnidirectional ground nullsLOPEZ ALFRED R·Filed 2010·Granted Jul 23, 2013·5 cites·14 claims
- 1576US4067014ACorrelation receiver for doppler microwave landing systemHAZELTINE CORP·Filed 1976·Granted Jan 3, 1978·28 cites·8 claims
- 1674US4999639ARadome having integral heating and impedance matching elementsHAZELTINE CORP·Filed 1989·Granted Mar 12, 1991·37 cites·23 claims
- 1771US6201510B1Self-contained progressive-phase GPS elements and antennasBAE SYSTEMS ADVANCED SYSTEMS·Filed 1999·Granted Mar 13, 2001·43 cites·15 claims
- 1871US5304998ADual-mode communication antennaHAZELTINE CORP·Filed 1992·Granted Apr 19, 1994·39 cites·20 claims
- 1968US5270723ANear field antenna measurement systems and methodsHAZELTINE CORP·Filed 1992·Granted Dec 14, 1993·27 cites·30 claims
- 2066US4321605AArray antenna systemHAZELTINE CORP·Filed 1980·Granted Mar 23, 1982·21 cites·10 claims
- 2164US7982680B1Antennas providing near-spherical coverage with right-hand circular polarization for differential GPS useBAE SYS INF & ELECT SYS INTEG·Filed 2009·Granted Jul 19, 2011·4 cites·20 claims
- 2264US7119757B1Dual-array two-port differential GPS antenna systemsBAE SYSTEMS INFORMATION·Filed 2004·Granted Oct 10, 2006·15 cites·20 claims
- 2362US6473054B1Array antennas with notched radiation patternsBAE SYSTEM AEROSPACE INC·Filed 2001·Granted Oct 29, 2002·22 cites·18 claims
- 2461US7990307B1Integrity monitor antenna systems for GPS-based precision landing system verificationBAE SYS INF & ELECT SYS INTEG·Filed 2009·Granted Aug 2, 2011·3 cites·20 claims
- 2560US7015866B1Flush-mounted air vehicle array antenna systems for satellite communicationBAE SYSTEMS INFORMATION·Filed 2004·Granted Mar 21, 2006·12 cites·20 claims
- 2659US6831601B1Circular array scanning with sum and difference excitationBAE SYSTEMS INFORMATION·Filed 2003·Granted Dec 14, 2004·12 cites·30 claims
- 2757US6229495B1Dual-point-feed broadband whip antennaBAE SYSTEMS ADVANCED SYSTEMS·Filed 1999·Granted May 8, 2001·25 cites·22 claims
- 2857US6057806ACross-polarized around-tower cellular antenna systemsMARCONI AEROSPACE SYSTEMS INC·Filed 1998·Granted May 2, 2000·24 cites·27 claims
- 2957US4876548APhased array antenna with couplers in spatial filter arrangementHAZELTINE CORP·Filed 1986·Granted Oct 24, 1989·18 cites·15 claims
- 3056US6686892B1Switchable length whip antennaBAE SYSTEMS INFORMATION·Filed 2002·Granted Feb 3, 2004·10 cites·27 claims
- 3154US5872548ASpace/angle diversity configurations for cellular antennasGEC MARCONI HAZELTINE CORP ELE·Filed 1997·Granted Feb 16, 1999·21 cites·17 claims
- 3250US7088303B1Folded path flat-plate antennas for satellite communicationBAE SYSTEMS INFORMATION·Filed 2004·Granted Aug 8, 2006·7 cites·24 claims
- 3349US6744412B1High up/down ratio GPS antennas with serrated absorberBAE SYSTEMS INFORMATION·Filed 2002·Granted Jun 1, 2004·6 cites·20 claims
- 3447US4191960APhased array antenna with reduced phase quantization errorHAZELTINE CORP·Filed 1978·Granted Mar 4, 1980·10 cites·6 claims
- 3546US7030813B1Array antennas with independent sum and difference excitations levelsBAE SYSTEMS INFORMATION·Filed 2004·Granted Apr 18, 2006·5 cites·10 claims
- 3644US8390525B2Circularly polarized omnidirectional antennas and methodsLOPEZ ALFRED R·Filed 2010·Granted Mar 5, 2013·0 cites·15 claims
- 3744US4670756APhase shifter controlHAZELTINE CORP·Filed 1986·Granted Jun 2, 1987·10 cites·12 claims
- 3843US6046704AStamp-and-bend double-tuned radiating elements and antennasMARCONI AEROSPACE SYSTEMS INC·Filed 1999·Granted Apr 4, 2000·12 cites·19 claims
- 3943US5410319ANear field antenna measurement systems and methodsHAZELTINE CORP·Filed 1993·Granted Apr 25, 1995·12 cites·18 claims
- 4042US5546095ANon-imaging glideslope antenna systemsFiled 1994·Granted Aug 13, 1996·11 cites·23 claims
- 4141US6300915B1Vertical array antennas for differential GPS ground stationsBAE SYSTEMS AEROSPACE INC ADVA·Filed 2000·Granted Oct 9, 2001·5 cites·22 claims
- 4241US4724440ABeam steering unit real time angular monitorHAZELTINE CORP·Filed 1986·Granted Feb 9, 1988·10 cites·11 claims
- 4339US5214435ANear field monitor for a microwave landing systemLOPEZ ALFRED R·Filed 1992·Granted May 25, 1993·10 cites·11 claims
- 4439US3987453ABalanced exciter for wideband antenna elementUS AIR FORCE·Filed 1975·Granted Oct 19, 1976·6 cites·3 claims
- 4538US4554550AResonant waveguide aperture manifoldHAZELTINE CORP·Filed 1983·Granted Nov 19, 1985·6 cites·12 claims
- 4635US6160525ALow impedance loop antennasBAE SYSTEMS AEROSPACE INC·Filed 1999·Granted Dec 12, 2000·6 cites·17 claims
- 4734US4968982AAircraft landing system having simplified out-of-coverage indication (OCI)HAZELTINE CORP·Filed 1989·Granted Nov 6, 1990·4 cites·5 claims
- 4832US5856810ALow sidelobe multi-beam lossless feed networks for array antennasGEC MARCONI HAZELTINE CORP ELE·Filed 1996·Granted Jan 5, 1999·4 cites·8 claims
- 4932US5177491ANavigation receiver with beam asymmetry immunityHAZELTINE CORP·Filed 1990·Granted Jan 5, 1993·4 cites·3 claims
- 5030US5917457AU-dipole radiating elements and antennasMARCONI AEROSPACE SYSTEMS INC·Filed 1997·Granted Jun 29, 1999·0 cites·19 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →