Inventor · disambiguated record
Christopher A. Howell
Also filed as: HOWELL CHRISTOPHER · HOWELL CHRISTOPHER A
54 granted patents·4 pending applications·271 citations·filing 2005–2022
98Inventor score
Top patents by PatentIndex Score
58 records- 0198US8625805B1Digital security bubbleWICKR INC·Filed 2013·Granted Jan 7, 2014·46 cites·20 claims
- 0297US11101999B2Two-way handshake for key establishment for secure communicationsWICKR INC·Filed 2020·Granted Aug 24, 2021·9 cites·20 claims
- 0397US9654288B1Securing group communicationsWICKR INC·Filed 2015·Granted May 16, 2017·29 cites·13 claims
- 0496US9866591B1Enterprise messaging platformWICKR INC·Filed 2015·Granted Jan 9, 2018·26 cites·27 claims
- 0596US9698976B1Key management and dynamic perfect forward secrecyWICKR INC·Filed 2014·Granted Jul 4, 2017·28 cites·20 claims
- 0695US9590958B1Secure file transferWICKR INC·Filed 2016·Granted Mar 7, 2017·17 cites·18 claims
- 0795US9584530B1In-band identity verification and man-in-the-middle defenseWICKR INC·Filed 2015·Granted Feb 28, 2017·12 cites·16 claims
- 0894US8954726B1Digital security bubbleWICKR INC·Filed 2013·Granted Feb 10, 2015·11 cites·20 claims
- 0991US11457018B1Federated messagingAMAZON TECH INC·Filed 2021·Granted Sep 27, 2022·2 cites·17 claims
- 1091US11316666B2Generating ephemeral key pools for sending and receiving secure communicationsAMAZON TECH INC·Filed 2017·Granted Apr 26, 2022·7 cites·23 claims
- 1191US11082412B2Sending secure communications using a local ephemeral key poolWICKR INC·Filed 2017·Granted Aug 3, 2021·8 cites·23 claims
- 1291US9876772B1Encrypting and transmitting dataWICKR INC·Filed 2015·Granted Jan 23, 2018·4 cites·20 claims
- 1391US9602477B1Secure file transferWICKR INC·Filed 2016·Granted Mar 21, 2017·7 cites·18 claims
- 1489US11330003B1Enterprise messaging platformWICKR INC·Filed 2017·Granted May 10, 2022·7 cites·17 claims
- 1589US9729315B2Initialization and registration of an applicationWICKR INC·Filed 2015·Granted Aug 8, 2017·3 cites·15 claims
- 1688US9584316B1Digital security bubbleWICKR INC·Filed 2015·Granted Feb 28, 2017·3 cites·20 claims
- 1787US10230524B2Securely transferring user information between applicationsWICKR INC·Filed 2017·Granted Mar 12, 2019·5 cites·18 claims
- 1887US10038677B1Digital security bubbleWICKR INC·Filed 2017·Granted Jul 31, 2018·2 cites·20 claims
- 1986US10242217B1Secure file transferWICKR INC·Filed 2017·Granted Mar 26, 2019·3 cites·19 claims
- 2085US10129260B1Mutual privacy managementWICKR INC·Filed 2014·Granted Nov 13, 2018·8 cites·19 claims
- 2183US10084761B1In-band identity verification and man-in-the-middle defenseWICKR INC·Filed 2018·Granted Sep 25, 2018·2 cites·17 claims
- 2282US11843588B2Sending secure communications using a local ephemeral key poolAMAZON TECH INC·Filed 2021·Granted Dec 12, 2023·1 cites·19 claims
- 2382US10263964B2Secure time-to-liveWICKR INC·Filed 2018·Granted Apr 16, 2019·2 cites·19 claims
- 2482US9906506B1In-band identity verification and man-in-the-middle defenseWICKR INC·Filed 2017·Granted Feb 27, 2018·2 cites·19 claims
- 2580US11405370B1Secure file transferAMAZON TECH INC·Filed 2017·Granted Aug 2, 2022·2 cites·16 claims
- 2680US11095662B2Federated messagingWICKR INC·Filed 2017·Granted Aug 17, 2021·2 cites·18 claims
- 2780US10911431B2Local encryption for single sign-onWICKR INC·Filed 2018·Granted Feb 2, 2021·3 cites·20 claims
- 2880US9830089B1Digital data sanitizationWICKR INC·Filed 2014·Granted Nov 28, 2017·4 cites·17 claims
- 2980US9805212B1Secure file transferWICKR INC·Filed 2016·Granted Oct 31, 2017·2 cites·18 claims
- 3078US9667417B1Digital security bubbleWICKR INC·Filed 2015·Granted May 30, 2017·1 cites·20 claims
- 3177US11924361B1Secure time-to-liveAMAZON TECH INC·Filed 2022·Granted Mar 5, 2024·0 cites·23 claims
- 3277US11368442B2Receiving an encrypted communication from a user in a second secure communication networkAMAZON TECH INC·Filed 2017·Granted Jun 21, 2022·3 cites·23 claims
- 3377US11349659B2Transmitting an encrypted communication to a user in a second secure communication networkAMAZON TECH INC·Filed 2017·Granted May 31, 2022·3 cites·24 claims
- 3477US10396987B2Securely provisioning an application with user informationWICKR INC·Filed 2017·Granted Aug 27, 2019·2 cites·20 claims
- 3575US11159310B2Digital security bubbleAMAZON TECH INC·Filed 2020·Granted Oct 26, 2021·0 cites·20 claims
- 3674US12206652B1Secure file transferAMAZON TECH INC·Filed 2022·Granted Jan 21, 2025·0 cites·20 claims
- 3774US10140043B1Digital data sanitationWICKR INC·Filed 2017·Granted Nov 27, 2018·1 cites·18 claims
- 3871US11509488B2Secure time-to-liveAMAZON TECH INC·Filed 2021·Granted Nov 22, 2022·0 cites·20 claims
- 3971US10581817B1Digital security bubbleWICKR INC·Filed 2018·Granted Mar 3, 2020·0 cites·19 claims
- 4070US10432597B1Digital security bubbleWICKR INC·Filed 2018·Granted Oct 1, 2019·0 cites·13 claims
- 4169US10567349B2Secure time-to-liveWICKR INC·Filed 2014·Granted Feb 18, 2020·1 cites·16 claims
- 4268US11025440B2Secure time-to-liveWICKR INC·Filed 2020·Granted Jun 1, 2021·0 cites·20 claims
- 4368US10715504B2Provisioning ephemeral key pools for sending and receiving secure communicationsWICKR INC·Filed 2017·Granted Jul 14, 2020·1 cites·20 claims
- 4465US10791196B2Directory lookup for federated messaging with a user from a different secure communication networkWICKR INC·Filed 2017·Granted Sep 29, 2020·1 cites·15 claims
- 4560US12476933B2Secure directory servicesAMAZON TECH INC·Filed 2021·Granted Nov 18, 2025·0 cites·20 claims
- 4660US9716714B1In-band identity verification and man-in-the-middle defenseWICKR INC·Filed 2016·Granted Jul 25, 2017·0 cites·18 claims
- 4757US10944713B1Secure directory servicesWICKR INC·Filed 2018·Granted Mar 9, 2021·0 cites·19 claims
- 4857US10320560B1Key management and dynamic perfect forward secrecyWICKR INC·Filed 2016·Granted Jun 11, 2019·0 cites·19 claims
- 4956US10396982B1Key management and dynamic perfect forward secrecyWICKR INC·Filed 2016·Granted Aug 27, 2019·0 cites·15 claims
- 5056US10382197B1Key management and dynamic perfect forward secrecyWICKR INC·Filed 2016·Granted Aug 13, 2019·0 cites·19 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →