Inventor · disambiguated record
John L. Schadler
Also filed as: SCHADLER JOHN · SCHADLER JOHN L
44 granted patents·7 pending applications·538 citations·filing 1988–2014
98Inventor score
Top patents by PatentIndex Score
51 records- 0198US8373597B2High-power-capable circularly polarized patch antenna apparatus and methodSPX CORP·Filed 2007·Granted Feb 12, 2013·182 cites·11 claims
- 0293US7839351B2Antenna system and method to transmit cross-polarized signals from a common radiator with low mutual couplingSPX CORP·Filed 2007·Granted Nov 23, 2010·45 cites·23 claims
- 0386US8036594B2Circularly polarized omnidirectional in-building signal booster apparatus and methodSPX CORP·Filed 2007·Granted Oct 11, 2011·17 cites·22 claims
- 0485US8339327B2Circularly-polarized antennaSCHADLER JOHN L·Filed 2010·Granted Dec 25, 2012·13 cites·11 claims
- 0579US8175648B2Super economical broadcast system and methodJOHNSON TORBJORN·Filed 2009·Granted May 8, 2012·11 cites·20 claims
- 0678US6762730B2Crossed bow tie slot antennaSPX CORP·Filed 2002·Granted Jul 13, 2004·30 cites·19 claims
- 0777US7649505B2Circularly polarized low wind load omnidirectional antenna apparatus and methodSPX CORP·Filed 2007·Granted Jan 19, 2010·9 cites·23 claims
- 0877US7209091B2Vertically polarized panel antenna system and methodSPX CORP·Filed 2005·Granted Apr 24, 2007·10 cites·21 claims
- 0975US6914579B2Apparatus and method for isolating in-channel FM antennas sharing common aperture spaceSPX CORP·Filed 2003·Granted Jul 5, 2005·26 cites·25 claims
- 1074US8847825B2High-power-capable circularly polarized patch antenna apparatus and methodDIELECTRIC LLC·Filed 2013·Granted Sep 30, 2014·4 cites·20 claims
- 1174US7327325B2Vertically polarized traveling wave antenna apparatus and methodSPX CORP·Filed 2006·Granted Feb 5, 2008·8 cites·20 claims
- 1270US8558747B2Broadband clover leaf dipole panel antennaLYTLE GARY M·Filed 2010·Granted Oct 15, 2013·4 cites·20 claims
- 1365US8115696B2Phased-array antenna panel for a super economical broadcast systemSKALINA ANDRE·Filed 2009·Granted Feb 14, 2012·8 cites·18 claims
- 1464US6650300B2Common aperture UHF/horizontally polarized low-and mid-band VHF antennaSPX CORP·Filed 2001·Granted Nov 18, 2003·15 cites·19 claims
- 1563US7683849B2System and method of producing a null free oblong azimuth pattern with a vertically polarized traveling wave antennaSPX CORP·Filed 2007·Granted Mar 23, 2010·4 cites·10 claims
- 1662US7034545B2Apparatus and method for monitoring transmission systems using off-frequency signalsSPX CORP·Filed 2003·Granted Apr 25, 2006·7 cites·7 claims
- 1760US8102326B2Broadcast antenna ellipticity control apparatus and methodSCHADLER JOHN·Filed 2008·Granted Jan 24, 2012·4 cites·17 claims
- 1860US6703984B2Common aperture UHF/VHF high band slotted coaxial antennaSPX CORP·Filed 2002·Granted Mar 9, 2004·12 cites·21 claims
- 1960US4899165AVariable circular polarization antenna having parasitic Z-shaped dipoleGEN SIGNAL CORP·Filed 1988·Granted Feb 6, 1990·20 cites·7 claims
- 2059US7710342B2Crossed-dipole antenna for low-loss IBOC transmission from a common radiator apparatus and methodSPX CORP·Filed 2007·Granted May 4, 2010·5 cites·20 claims
- 2159US7339541B2Wideband cavity-backed antennaSPX CORP·Filed 2004·Granted Mar 4, 2008·10 cites·9 claims
- 2259US6677916B2Common aperture UHF/VHF antennaSPX CORP·Filed 2001·Granted Jan 13, 2004·12 cites·19 claims
- 2355US7084822B2Dual feed common radiator antenna system and method for broadcasting analog and digital signalsSPX CORP·Filed 2003·Granted Aug 1, 2006·10 cites·21 claims
- 2455US6313806B1Slot antenna with susceptance reducing loopsGEN SIGNAL CORP·Filed 2000·Granted Nov 6, 2001·9 cites·16 claims
- 2553US6137448ACenter FED traveling wave antenna capable of high beam tilt and null free stable elevation patternGEN SIGNAL CORP·Filed 1998·Granted Oct 24, 2000·20 cites·8 claims
- 2651US7061441B2Stripline fed stub-loop doublet antenna system and methodSPX CORP·Filed 2004·Granted Jun 13, 2006·7 cites·21 claims
- 2751US6320555B1Internally branch fed slotted coaxial antennaGEN SIGNAL CORP·Filed 2000·Granted Nov 20, 2001·7 cites·20 claims
- 2850US7893886B2Circularly polarized broadcast panel system and method using a parasitic dipoleSPX CORP·Filed 2004·Granted Feb 22, 2011·6 cites·25 claims
- 2948US8199062B2Phased-array antenna radiator parasitic element for a super economical broadcast systemJOHNSON TORBJORN·Filed 2009·Granted Jun 12, 2012·1 cites·19 claims
- 3048US6816040B1Broadband rigid coaxial transmission lineSPX CORP·Filed 2003·Granted Nov 9, 2004·3 cites·19 claims
- 3147US2012220339A1Base Station for a Cellular Communication SystemJOHNSON TORBJORN·Filed 2012·Application pending·0 cites
- 3246US6972648B2Broadband coaxial transmission line using uniformly distributed uniform mismatchesSPX CORP·Filed 2003·Granted Dec 6, 2005·1 cites·23 claims
- 3345US7081860B2Folded broadcast panel antenna system and methodSPX CORP·Filed 2004·Granted Jul 25, 2006·4 cites·20 claims
- 3445US2014035791A1Broadband Clover Leaf Dipole Panel AntennaDIELECTRIC LLC·Filed 2013·Application pending·0 cites
- 3544US6867743B2Slotted antenna system and methodSPX CORP·Filed 2003·Granted Mar 15, 2005·3 cites·20 claims
- 3644US6373444B1Common aperture UHF/VHF high band slotted coaxial antennaGEN SIGNAL CORP·Filed 2001·Granted Apr 16, 2002·3 cites·20 claims
- 3743US7542004B2Parasitic dipole for azimuth uniformity in broadband antennas apparatus and methodSPX CORP·Filed 2006·Granted Jun 2, 2009·0 cites·19 claims
- 3843US6441796B1High power quadrapole FM ring antenna for broadband multiplexingSPX CORP·Filed 2001·Granted Aug 27, 2002·3 cites·22 claims
- 3942US2014292609A1Device and Process for Reduction of Passive IntermodulationDIELECTRIC LLC·Filed 2014·Application pending·0 cites
- 4041US2014035698A1Microstrip-Fed Crossed Dipole Antenna Having Remote Electrical TiltDIELECTRIC LLC·Filed 2013·Application pending·0 cites
- 4140US6961027B2Feed system and method for interleaving a branch feed antenna with an existing series feed antenna within the same aperture centerlineSPX CORP·Filed 2003·Granted Nov 1, 2005·1 cites·23 claims
- 4240US6756949B2Wideband cavity-backed antennaSPX CORP·Filed 2002·Granted Jun 29, 2004·1 cites·20 claims
- 4340US2014035792A1Microstrip-Fed Crossed Dipole AntennaDIELECTRIC LLC·Filed 2013·Application pending·0 cites
- 4439US8159406B2Phased-array antenna radiator for a super economical broadcast systemSCHADLER JOHN·Filed 2009·Granted Apr 17, 2012·0 cites·14 claims
- 4538US6972731B2Series feeding system and method for interleaved antennas sharing the same aperture centerlineSPX CORP·Filed 2003·Granted Dec 6, 2005·0 cites·20 claims
- 4637US7012574B2Wideband cavity-backed antennaSPX CORP·Filed 2002·Granted Mar 14, 2006·0 cites·18 claims
- 4737US6788267B2Wideband cavity-backed antennaSPX CORP·Filed 2002·Granted Sep 7, 2004·0 cites·20 claims
- 4836US2012013520A1Ultra-Wide Band Monopole AntennaHANSON JONATHAN B·Filed 2011·Application pending·0 cites
- 4935US7102589B2Apparatus and method to increase isolation between separate in-channel antennas sharing a common aperture spaceSPX CORP·Filed 2004·Granted Sep 5, 2006·0 cites·24 claims
- 5035US2012077504A1Super Economical Broadcast SystemSCHADLER JOHN L·Filed 2011·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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