Inventor · disambiguated record
John Robert Keller
Also filed as: KELLER JOHN · KELLER JOHN R · KELLER JOHN ROBERT
15 granted patents·2 pending applications·375 citations·filing 1977–2021
92Inventor score
Top patents by PatentIndex Score
17 records- 0193US5198823APassive secondary surveillance radar using signals of remote SSR and multiple antennas switched in synchronism with rotation of SSR beamLITCHSTREET CO·Filed 1991·Granted Mar 30, 1993·236 cites·11 claims
- 0291US8111157B2Apparatus for detecting tampering with a latch mechanismDIENER MARK A·Filed 2008·Granted Feb 7, 2012·26 cites·20 claims
- 0387US12359980B2Systems and methods for monitoring food temperatures7 ELEVEN INC·Filed 2021·Granted Jul 15, 2025·1 cites·9 claims
- 0486US8154404B2Method and apparatus for detecting movement of a shipping container latchDIENER MARK A·Filed 2008·Granted Apr 10, 2012·16 cites·14 claims
- 0586US4139078ALadder assemblyKELLER JOHN R·Filed 1977·Granted Feb 13, 1979·55 cites·5 claims
- 0679US8138917B2Latch monitoring apparatus for a shipping container doorDIENER MARK A·Filed 2008·Granted Mar 20, 2012·10 cites·17 claims
- 0762US7382286B2System and method for the correlation of multiple data feedsMEGADATA CORP·Filed 2003·Granted Jun 3, 2008·19 cites·20 claims
- 0858US12287306B2System and method for determining an ambient concentration of compositions for bathroom cleaning7 ELEVEN INC·Filed 2021·Granted Apr 29, 2025·0 cites·20 claims
- 0956US12171378B2Systems and methods for monitoring toilet paper rolls7 ELEVEN INC·Filed 2021·Granted Dec 24, 2024·0 cites·18 claims
- 1055US6778133B1Error correction of messages by a passive radar systemMEGADATA CORP·Filed 2003·Granted Aug 17, 2004·12 cites·19 claims
- 1153US12152926B2System and method for diagnostic analysis of a toilet over time intervals7 ELEVEN INC·Filed 2021·Granted Nov 26, 2024·0 cites·17 claims
- 1252US12125361B2System and method for measuring the fill level of a trash can using a sensor7 ELEVEN INC·Filed 2021·Granted Oct 22, 2024·0 cites·20 claims
- 1349US12044466B2Systems and methods for monitoring refrigeration systems7 ELEVEN INC·Filed 2021·Granted Jul 23, 2024·0 cites·20 claims
- 1446US11954653B2Sensor-based automatic detection and prioritization of maintenance issues7 ELEVEN INC·Filed 2021·Granted Apr 9, 2024·0 cites·20 claims
- 1542US12258258B2Beverage dispenser fluid level sensor7 ELEVEN INC·Filed 2021·Granted Mar 25, 2025·0 cites·7 claims
- 1630US2016013789A1Depletion Mode MOSFET Power SupplyNUMEREX CORP·Filed 2015·Application pending·0 cites
- 1730US2004263380A1Error correction of messages by passive radar systemCOLE JAMES A·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →