Inventor · disambiguated record
David Alan Putnam
Also filed as: PUTNAM DAVID · PUTNAM DAVID A · PUTNAM DAVID ALAN · PUTNAM DAVID D
10 granted patents·5 pending applications·226 citations·filing 1985–2025
87Inventor score
Top patents by PatentIndex Score
15 records- 0198US4537044AFood storage containerPUTNAM DAVID·Filed 1985·Granted Aug 27, 1985·175 cites·5 claims
- 0297US9605403B1Vented precipitation guarding manhole cover assembliesPUTNAM DAVID·Filed 2015·Granted Mar 28, 2017·21 cites·16 claims
- 0395US8851791B1Manhole cover venting and precipitation guarding devicesPUTNAM DAVID·Filed 2013·Granted Oct 7, 2014·20 cites·16 claims
- 0489US11118323B1Traffic-compatible vented precipitation guarding manhole cover assembliesPUTNAM DAVID·Filed 2017·Granted Sep 14, 2021·6 cites·14 claims
- 0582US11274783B1Sure-seal cleanout conduit valve assemblies and methodsPUTNAM DAVID A·Filed 2019·Granted Mar 15, 2022·4 cites·20 claims
- 0677US2025314034A1Vented precipitation guarding manhole cover assemblySewer Sentry LLC·Filed 2025·Application pending·0 cites
- 0771US12345011B2Vented precipitation guarding manhole cover assemblySewer Sentry LLC·Filed 2023·Granted Jul 1, 2025·0 cites·8 claims
- 0869US2025290267A1Reinforced manhole cover gasketSewer Sentry LLC·Filed 2025·Application pending·0 cites
- 0959US12320089B2Reinforced manhole cover gasketSewer Sentry LLC·Filed 2021·Granted Jun 3, 2025·0 cites·20 claims
- 1052US12270175B2Vented precipitation guarding manhole cover assemblySewer Sentry LLC·Filed 2021·Granted Apr 8, 2025·0 cites·17 claims
- 1149US2023193580A1Extension pipe for manhole coverSewer Sentry LLC·Filed 2022·Application pending·0 cites
- 1245US2007026225A1Primer composition for high temperature beltsCHEN JIANN-HSING·Filed 2005·Application pending·0 cites
- 1344US11536374B2Cleanout conduit valve assemblies and installationsPUTNAM DAVID A·Filed 2021·Granted Dec 27, 2022·0 cites·20 claims
- 1434USD1024273SValve flapperPUTNAM DAVID A·Filed 2021·Granted Apr 23, 2024·0 cites·1 claims
- 1530US2007026226A1Epoxy primer layer for fuser beltsCHEN JIANN-HSING·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →