Inventor · disambiguated record
David Putnam
Also filed as: PUTNAM DAVID · PUTNAM DAVID A · PUTNAM DAVID L
14 granted patents·8 pending applications·301 citations·filing 1992–2023
93Inventor score
Top patents by PatentIndex Score
22 records- 0190US8202503B2Visual, continuous and simultaneous measurement of solution ammonia and hydrogen ion concentrationPUTNAM DAVID L·Filed 2010·Granted Jun 19, 2012·22 cites·11 claims
- 0286US8968681B2Filtered assay device and methodPUTNAM DAVID L·Filed 2009·Granted Mar 3, 2015·6 cites·19 claims
- 0386US7790113B2Visual, continuous and simultaneous measurement of solution ammonia and hydrogen ion concentrationPHOTONIC BIOSYSTEMS INC·Filed 2007·Granted Sep 7, 2010·21 cites·50 claims
- 0486US5382163AMethod and apparatus for detecting the presence of dental plaque or calculusFiled 1992·Granted Jan 17, 1995·112 cites·28 claims
- 0584US9068976B2Integrated filtration bioanalyzerPUTNAM DAVID L·Filed 2009·Granted Jun 30, 2015·8 cites·33 claims
- 0683US7592184B2Ammonia detection and measurement devicePHOTONIC BIOSYSTEMS INC·Filed 2002·Granted Sep 22, 2009·25 cites·23 claims
- 0776US6794191B2Process for forming polymer structures containing an oxygen sensorPHOTONIC SYSTEMS·Filed 2001·Granted Sep 21, 2004·17 cites·5 claims
- 0873US8173438B1Microbiological assessment method and device utilizing oxygen gradient sensingPUTNAM DAVID L·Filed 1997·Granted May 8, 2012·41 cites·37 claims
- 0972US9873083B1Wastewater pump station venting system and methodPUTNAM DAVID·Filed 2014·Granted Jan 23, 2018·2 cites·21 claims
- 1072US8480241B1Occulter for exoplanet explorationTENERELLI DOMENICK·Filed 2010·Granted Jul 9, 2013·10 cites·13 claims
- 1167US12405185B2Leak-and-sealing-failure-detection sensor and systemPUTNAM DAVID·Filed 2023·Granted Sep 2, 2025·0 cites·20 claims
- 1264US7014612B2Method for diagnosis of helicobacter pylori infectionPHOTONIC BIOSYSTEMS INC·Filed 2002·Granted Mar 21, 2006·35 cites·19 claims
- 1358US2010136608A1Multiple Filter Array AssayPHOTONIC BIOSYSTEMS INC·Filed 2009·Application pending·0 cites
- 1456US9625712B1Occulter for exoplanet explorationLOCKHEED CORP·Filed 2013·Granted Apr 18, 2017·2 cites·15 claims
- 1551US2005053518A1Process for forming polymer structures containing an oxygen sensorFiled 2004·Application pending·0 cites
- 1650US2005191614A1High-throughput formation, identification and analysis of diverse solid formsMILLENIUM PHARMACEUTICALS INC·Filed 2005·Application pending·0 cites
- 1749US2010330692A1Ammonia detection and measurement devicePHOTONIC BIOSYSTEMS INC·Filed 2009·Application pending·0 cites
- 1846US2003162226A1High-throughput formation, identification, and analysis of diverse solid-formsFiled 2003·Application pending·0 cites
- 1942US10495555B2Filter-cartridge based fluid-sample preparation and assay systemPUTNAM DAVID·Filed 2014·Granted Dec 3, 2019·0 cites·9 claims
- 2042US2002048610A1High-throughput formation, identification, and analysis of diverse solid-formsFiled 2001·Application pending·0 cites
- 2138US2006053652A1Freeze-drying microscope stage apparatus and process of using the sameGYORY J R·Filed 2003·Application pending·0 cites
- 2234US2017229803A1Methods and devices that facilitate object orientationPUTNAM DAVID L·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →