Inventor · disambiguated record
Lewis T. Donzis
Also filed as: DONZIS LEWIS · DONZIS LEWIS T · DONZIS LEWIS THOMAS
69 granted patents·11 pending applications·1,277 citations·filing 1995–2025
99Inventor score
Top patents by PatentIndex Score
80 records- 0198US8095666B2Internet provider subscriber communications systemSCHMIDT JONATHAN E·Filed 2007·Granted Jan 10, 2012·260 cites·41 claims
- 0295US11743205B2Internet provider subscriber communications systemPERFTECH INC·Filed 2022·Granted Aug 29, 2023·2 cites·20 claims
- 0395US11580185B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2021·Granted Feb 14, 2023·3 cites·20 claims
- 0494US11336586B2Internet provider subscriber communications systemPERFTECH INC·Filed 2020·Granted May 17, 2022·3 cites·20 claims
- 0593US10225210B2Internet provider subscriber communications systemPERFTECH INC·Filed 2016·Granted Mar 5, 2019·7 cites·20 claims
- 0691US12086201B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2023·Granted Sep 10, 2024·1 cites·20 claims
- 0791US6256671B1Method and apparatus for providing network access control using a domain name systemNORTEL NETWORKS LTD·Filed 1998·Granted Jul 3, 2001·306 cites·25 claims
- 0890US10834157B2Internet provider subscriber communications systemPERFTECH INC·Filed 2019·Granted Nov 10, 2020·4 cites·20 claims
- 0990US10616131B2Internet provider subscriber communications systemPERFTECH INC·Filed 2019·Granted Apr 7, 2020·4 cites·20 claims
- 1090US8161284B1System, method and computer readable medium for message authentication to subscribers of an internet service providerSCHMIDT JONATHAN E·Filed 2007·Granted Apr 17, 2012·10 cites·25 claims
- 1190US6973097B1Modifying message size indications in communications over data networksNORTEL NETWORKS LTD·Filed 2000·Granted Dec 6, 2005·72 cites·40 claims
- 1289US10979484B2Method and system for providing watermark to subscribersPERFTECH INC·Filed 2020·Granted Apr 13, 2021·2 cites·17 claims
- 1389US9307041B2Internet connection user communications systemPERFTECH INC·Filed 2014·Granted Apr 5, 2016·7 cites·43 claims
- 1488US10915596B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2017·Granted Feb 9, 2021·4 cites·20 claims
- 1588US5991807ASystem for controlling users access to a distributive network in accordance with constraints present in common access distributive network interface separate from a serverNORTEL NETWORKS CORP·Filed 1996·Granted Nov 23, 1999·243 cites·29 claims
- 1687US10601841B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2017·Granted Mar 24, 2020·2 cites·24 claims
- 1787US9727658B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2014·Granted Aug 8, 2017·8 cites·20 claims
- 1887US8838809B2Internet connection user communications systemDONZIS HENRY M·Filed 2012·Granted Sep 16, 2014·7 cites·52 claims
- 1987US8793386B2Internet provider subscriber communications systemSCHMIDT JONATHAN E·Filed 2011·Granted Jul 29, 2014·6 cites·40 claims
- 2087US6976071B1Detecting if a secure link is aliveNORTEL NETWORKS LTD·Filed 2000·Granted Dec 13, 2005·71 cites·27 claims
- 2186US8806004B2Method and apparatus of processing invalid user input search informationDONZIS LEWIS THOMAS·Filed 2011·Granted Aug 12, 2014·10 cites·14 claims
- 2286US7328266B2Internet provider subscriber communications systemPERFTECH INC·Filed 2001·Granted Feb 5, 2008·31 cites·38 claims
- 2385US11736543B2Internet provider subscriber communications systemPERFTECH INC·Filed 2020·Granted Aug 22, 2023·1 cites·20 claims
- 2484US8108524B2Internet connection user communications systemDONZIS HENRY M·Filed 2003·Granted Jan 31, 2012·27 cites·52 claims
- 2584US5867660AMethod and apparatus for communicating between a network workstation and an internetBAY NETWORKS INC·Filed 1995·Granted Feb 2, 1999·139 cites·39 claims
- 2683US12438889B2System, method and computer readable medium for message authentication to subscribers of an internet service providerPERFTECH INC·Filed 2022·Granted Oct 7, 2025·0 cites·20 claims
- 2783US12192213B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2023·Granted Jan 7, 2025·0 cites·11 claims
- 2883US11956251B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2023·Granted Apr 9, 2024·0 cites·20 claims
- 2982US2024380947A1System and method for set-top-box messaging displayPERFTECH INC·Filed 2024·Application pending·0 cites
- 3081US2024362291A1Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2024·Application pending·0 cites
- 3180US12177287B2Method and system for providing watermark to subscribersPERFTECH INC·Filed 2023·Granted Dec 24, 2024·0 cites·17 claims
- 3280US12075131B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2023·Granted Aug 27, 2024·0 cites·11 claims
- 3380US2023362104A1Internet connection user communication systemPERFTECH INC·Filed 2023·Application pending·0 cites
- 3480US2023370512A1Internet provider subscriber communications systemPERFTECH INC·Filed 2023·Application pending·0 cites
- 3579US9936037B2System and method for providing redirectionsDONZIS LEWIS T·Filed 2011·Granted Apr 3, 2018·2 cites·9 claims
- 3677US11563750B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2021·Granted Jan 24, 2023·0 cites·20 claims
- 3777US11552961B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2021·Granted Jan 10, 2023·0 cites·20 claims
- 3877US11509665B2System, method and computer readable medium for message authentication to subscribers of an internet service providerPERFTECH INC·Filed 2021·Granted Nov 22, 2022·0 cites·20 claims
- 3976US11601726B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2022·Granted Mar 7, 2023·0 cites·20 claims
- 4075US11997180B2System and method for providing redirectionsPERFTECH INC·Filed 2022·Granted May 28, 2024·0 cites·19 claims
- 4174US10992686B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2020·Granted Apr 27, 2021·0 cites·20 claims
- 4274US10257242B2Internet provider subscriber communications systemPERFTECH INC·Filed 2016·Granted Apr 9, 2019·1 cites·20 claims
- 4373US11711417B2Method and system for providing watermark to subscribersPERFTECH INC·Filed 2021·Granted Jul 25, 2023·0 cites·16 claims
- 4473US11277671B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2021·Granted Mar 15, 2022·0 cites·19 claims
- 4573US10986102B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2020·Granted Apr 20, 2021·0 cites·15 claims
- 4673US8856314B1System, method and computer readable medium for determining users of an internet serviceSCHMIDT JONATHAN E·Filed 2007·Granted Oct 7, 2014·2 cites·18 claims
- 4772US10904265B2System, method and computer readable medium for message authentication to subscribers of an internet service providerPERFTECH INC·Filed 2019·Granted Jan 26, 2021·0 cites·20 claims
- 4872US7908481B1Routing data to one or more entities in a networkAVAYA INC·Filed 2004·Granted Mar 15, 2011·18 cites·22 claims
- 4971US9325760B2Internet provider subscriber communications systemPERFTECH INC·Filed 2014·Granted Apr 26, 2016·1 cites·40 claims
- 5070US10986417B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2020·Granted Apr 20, 2021·0 cites·20 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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