Inventor · disambiguated record
Christopher J. Engdahl
Also filed as: ENGDAHL CHRISTOPHER J
6 granted patents·1 pending application·54 citations·filing 2007–2017
83Inventor score
Top patents by PatentIndex Score
7 records- 0190US9740781B2Secure DNS queryMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Aug 22, 2017·9 cites·20 claims
- 0284US7895319B2Variable DNS responses based on client identityMICROSOFT CORP·Filed 2007·Granted Feb 22, 2011·14 cites·17 claims
- 0381US8060927B2Security state aware firewallENGDAHL CHRISTOPHER J·Filed 2007·Granted Nov 15, 2011·13 cites·18 claims
- 0480US8935748B2Secure DNS querySTATIA JEROMY S·Filed 2007·Granted Jan 13, 2015·11 cites·20 claims
- 0579US11216514B2Secure DNS queryMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Jan 4, 2022·2 cites·20 claims
- 0669US8875237B2Private network access using IPv6 tunnelingENGDAHL CHRISTOPHER J·Filed 2007·Granted Oct 28, 2014·5 cites·20 claims
- 0744US2009109857A1Resource connection monitor utilityMICROSOFT CORP·Filed 2007·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →