Inventor · disambiguated record

Charles M. Powell

Also filed as: POWELL CHARLES · POWELL CHARLES M

10 granted patents·1 pending application·123 citations·filing 1995–2017

88Inventor score

Technology areasH01Q

Files withRADIO FREQUENCY SYSTEMS INC11

Top patents by PatentIndex Score

11 records

0174US6525696B2Dual band antenna using a single column of elliptical vivaldi notchesRADIO FREQUENCY SYSTEMS INC·Filed 2000·Granted Feb 25, 2003·31 cites·7 claims
0265US10541477B2Combined omnidirectional and directional antennasRADIO FREQUENCY SYSTEMS INC·Filed 2016·Granted Jan 21, 2020·1 cites·20 claims
0356US5818397ACircularly polarized horizontal beamwidth antenna having binary feed network with microstrip transmission lineRADIO FREQUENCY SYSTEMS INC·Filed 1995·Granted Oct 6, 1998·26 cites·7 claims
0452US11095044B2Combined omnidirectional and directional antennasRADIO FREQUENCY SYSTEMS INC·Filed 2017·Granted Aug 17, 2021·0 cites·6 claims
0552US9831547B2Methods and devices for configuring antenna arraysRADIO FREQUENCY SYSTEMS INC·Filed 2014·Granted Nov 28, 2017·0 cites·18 claims
0652US6133889ALog periodic dipole antenna having an interior centerfeed microstrip feedlineRADIO FREQUENCY SYSTEMS INC·Filed 1998·Granted Oct 17, 2000·20 cites·31 claims
0746US6243050B1Double-stacked hourglass log periodic dipole antennaRADIO FREQUENCY SYSTEMS INC·Filed 1998·Granted Jun 5, 2001·15 cites·10 claims
0845US6072432AHybrid power tapered/space tapered multi-beam antennaRADIO FREQUENCY SYSTEMS INC·Filed 1997·Granted Jun 6, 2000·20 cites·14 claims
0942US11387574B2Vertically and horizontally polarized omnidirectional antennas and related methodsRADIO FREQUENCY SYSTEMS INC·Filed 2013·Granted Jul 12, 2022·0 cites·8 claims
1041US2014375518A1Amplitude tapered switched beam antenna systemsRADIO FREQUENCY SYSTEMS INC·Filed 2013·Application pending·0 cites
1138US6353410B1Space tapered antenna having compressed spacing or feed network phase progression, or bothRADIO FREQUENCY SYSTEMS INC·Filed 1999·Granted Mar 5, 2002·10 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →