Inventor · disambiguated record
Doug Kellam
Also filed as: KELLAM DOUG
5 granted patents·19 citations·filing 2014–2017
74Inventor score
Technology areasC02F
Files withZERO TECH LLC5
Top patents by PatentIndex Score
5 records- 0179US9994459B2Gravity-fed and dual ion-exchange water filtration bottleZERO TECH LLC·Filed 2014·Granted Jun 12, 2018·6 cites·17 claims
- 0277US10099942B2Systems and methods of eliminating filter air locksZERO TECH LLC·Filed 2014·Granted Oct 16, 2018·3 cites·16 claims
- 0375US10435313B2Systems, devices, and methods of water filtrationZERO TECH LLC·Filed 2014·Granted Oct 8, 2019·3 cites·20 claims
- 0448USD840736SGlass water dispenserZERO TECH LLC·Filed 2017·Granted Feb 19, 2019·7 cites·1 claims
- 0525USD809855SPitcher lidZERO TECH LLC·Filed 2015·Granted Feb 13, 2018·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →