Inventor · disambiguated record
David G. Worthy
Also filed as: WORTHY DAVID · WORTHY DAVID G · WORTHY DAVID GERARD
20 granted patents·643 citations·filing 1993–2015
96Inventor score
Top patents by PatentIndex Score
20 records- 0188US5749043ASystem and method for estimating characteristics of broadcast radio audiencesFiled 1995·Granted May 5, 1998·111 cites·18 claims
- 0287US8373578B1Wireless head for a traffic preemption systemTOMAR ELECTRONICS INC·Filed 2009·Granted Feb 12, 2013·30 cites·30 claims
- 0387US8054202B1Traffic preemption system and related methodsTOMAR ELECTRONICS INC·Filed 2009·Granted Nov 8, 2011·27 cites·31 claims
- 0486US7471203B2Tamper monitoring system and methodRF CODE INC·Filed 2006·Granted Dec 30, 2008·41 cites·25 claims
- 0582US8577042B2Location-based security, privacy, access control and monitoring systemWORTHY DAVID·Filed 2007·Granted Nov 5, 2013·16 cites·30 claims
- 0682US6813475B1Interference attenuating remote audience survey system and methodFiled 2000·Granted Nov 2, 2004·25 cites·22 claims
- 0781US9711045B1System and method for traffic preemption emitter type detection and responseTOMAR ELECTRONICS INC·Filed 2015·Granted Jul 18, 2017·5 cites·25 claims
- 0881US7486189B2RFID systems and methods employing infrared localizationRF CODE INC·Filed 2006·Granted Feb 3, 2009·14 cites·6 claims
- 0977US6643494B1Active system and method for detecting harmonics of RF broadcast station survey signalsFiled 2000·Granted Nov 4, 2003·17 cites·30 claims
- 1076US5819155AActive system and method for remotely identifying RF broadcast stationsWORTHY DAVID G·Filed 1996·Granted Oct 6, 1998·128 cites·26 claims
- 1174US9123240B1System and method for laser emitter for traffic preemptionTOMAR ELECTRONICS INC·Filed 2013·Granted Sep 1, 2015·6 cites·24 claims
- 1273US7036136B1Bias compensating remote audience survey system and methodCONSYNTRIX INC·Filed 2000·Granted Apr 25, 2006·14 cites·7 claims
- 1373US6684054B1System and method for detecting harmonics of RF broadcast station survey signalsFiled 2000·Granted Jan 27, 2004·12 cites·21 claims
- 1473US5572450ARF car counting system and method thereforFiled 1995·Granted Nov 5, 1996·96 cites·22 claims
- 1572US8339280B1Traffic preemption system and related methodsSIKORA SCOTT T·Filed 2011·Granted Dec 25, 2012·5 cites·21 claims
- 1667US5410724ASystem method for identifying radio stations to which tuners are tunedFiled 1993·Granted Apr 25, 1995·59 cites·25 claims
- 1764US8742946B1System and related methods for powering and controlling traffic preemption system componentsWORTHY DAVID G·Filed 2012·Granted Jun 3, 2014·4 cites·20 claims
- 1864US7696881B2RFID systems and methods employing infrared localizationRF CODE INC·Filed 2009·Granted Apr 13, 2010·4 cites·21 claims
- 1950US5561835ASystem and method for identifying radio stations to which tuners are tunedFiled 1995·Granted Oct 1, 1996·23 cites·16 claims
- 2036US6081690ABias compensating remote audience survey system and methodFiled 1998·Granted Jun 27, 2000·6 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when David G. Worthy files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →