Assignee
PERFTECH INC
US·52 granted patents·11 pending applications·81 citations·filing 2001–2025
Top patents by PatentIndex Score
63 records- 0195US11743205B2Internet provider subscriber communications systemPERFTECH INC·Filed 2022·Granted Aug 29, 2023·2 cites·20 claims
- 0295US11580185B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2021·Granted Feb 14, 2023·3 cites·20 claims
- 0394US11336586B2Internet provider subscriber communications systemPERFTECH INC·Filed 2020·Granted May 17, 2022·3 cites·20 claims
- 0493US10225210B2Internet provider subscriber communications systemPERFTECH INC·Filed 2016·Granted Mar 5, 2019·7 cites·20 claims
- 0591US12086201B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2023·Granted Sep 10, 2024·1 cites·20 claims
- 0690US10834157B2Internet provider subscriber communications systemPERFTECH INC·Filed 2019·Granted Nov 10, 2020·4 cites·20 claims
- 0790US10616131B2Internet provider subscriber communications systemPERFTECH INC·Filed 2019·Granted Apr 7, 2020·4 cites·20 claims
- 0889US10979484B2Method and system for providing watermark to subscribersPERFTECH INC·Filed 2020·Granted Apr 13, 2021·2 cites·17 claims
- 0989US9307041B2Internet connection user communications systemPERFTECH INC·Filed 2014·Granted Apr 5, 2016·7 cites·43 claims
- 1088US10915596B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2017·Granted Feb 9, 2021·4 cites·20 claims
- 1187US10601841B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2017·Granted Mar 24, 2020·2 cites·24 claims
- 1287US9727658B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2014·Granted Aug 8, 2017·8 cites·20 claims
- 1386US7328266B2Internet provider subscriber communications systemPERFTECH INC·Filed 2001·Granted Feb 5, 2008·31 cites·38 claims
- 1485US11736543B2Internet provider subscriber communications systemPERFTECH INC·Filed 2020·Granted Aug 22, 2023·1 cites·20 claims
- 1583US12438889B2System, 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
- 1683US12192213B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2023·Granted Jan 7, 2025·0 cites·11 claims
- 1783US11956251B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2023·Granted Apr 9, 2024·0 cites·20 claims
- 1882US12531936B2System and method for providing redirectionsPERFTECH INC·Filed 2024·Granted Jan 20, 2026·0 cites·20 claims
- 1982US2024380947A1System and method for set-top-box messaging displayPERFTECH INC·Filed 2024·Application pending·0 cites
- 2081US2024362291A1Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2024·Application pending·0 cites
- 2180US12177287B2Method and system for providing watermark to subscribersPERFTECH INC·Filed 2023·Granted Dec 24, 2024·0 cites·17 claims
- 2280US12075131B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2023·Granted Aug 27, 2024·0 cites·11 claims
- 2380US2023362104A1Internet connection user communication systemPERFTECH INC·Filed 2023·Application pending·0 cites
- 2480US2023370512A1Internet provider subscriber communications systemPERFTECH INC·Filed 2023·Application pending·0 cites
- 2577US11563750B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2021·Granted Jan 24, 2023·0 cites·20 claims
- 2677US11552961B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2021·Granted Jan 10, 2023·0 cites·20 claims
- 2777US11509665B2System, 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
- 2876US11601726B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2022·Granted Mar 7, 2023·0 cites·20 claims
- 2975US11997180B2System and method for providing redirectionsPERFTECH INC·Filed 2022·Granted May 28, 2024·0 cites·19 claims
- 3074US10992686B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2020·Granted Apr 27, 2021·0 cites·20 claims
- 3174US10257242B2Internet provider subscriber communications systemPERFTECH INC·Filed 2016·Granted Apr 9, 2019·1 cites·20 claims
- 3273US11711417B2Method and system for providing watermark to subscribersPERFTECH INC·Filed 2021·Granted Jul 25, 2023·0 cites·16 claims
- 3373US11277671B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2021·Granted Mar 15, 2022·0 cites·19 claims
- 3473US10986102B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2020·Granted Apr 20, 2021·0 cites·15 claims
- 3572US10904265B2System, 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
- 3671US9325760B2Internet provider subscriber communications systemPERFTECH INC·Filed 2014·Granted Apr 26, 2016·1 cites·40 claims
- 3770US10986417B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2020·Granted Apr 20, 2021·0 cites·20 claims
- 3870US10631062B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2019·Granted Apr 21, 2020·0 cites·20 claims
- 3970US10554671B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2018·Granted Feb 4, 2020·0 cites·20 claims
- 4069US10616360B2System and method for providing redirectionsPERFTECH INC·Filed 2018·Granted Apr 7, 2020·0 cites·20 claims
- 4167US12580857B2Maintaining IP/MAC association using ARP scanning and spoofingPERFTECH INC·Filed 2024·Granted Mar 17, 2026·0 cites·20 claims
- 4267US11405478B2System and method for providing redirectionsPERFTECH INC·Filed 2020·Granted Aug 2, 2022·0 cites·19 claims
- 4367US10348738B2System, method and computer readable medium for message authentication to subscribers of an internet service providerPERFTECH INC·Filed 2016·Granted Jul 9, 2019·0 cites·19 claims
- 4467US10069846B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2017·Granted Sep 4, 2018·0 cites·20 claims
- 4566US12574346B2Transparent replacement of an internet protocol network routerPERFTECH INC·Filed 2024·Granted Mar 10, 2026·0 cites·20 claims
- 4666US9838402B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2014·Granted Dec 5, 2017·0 cites·25 claims
- 4765US8996640B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2014·Granted Mar 31, 2015·0 cites·25 claims
- 4864US10327038B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2017·Granted Jun 18, 2019·0 cites·17 claims
- 4964US9742786B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2016·Granted Aug 22, 2017·0 cites·20 claims
- 5064US9231961B2System, method and computer readable medium for message authentication to subscribers of an internet service providerPERFTECH INC·Filed 2013·Granted Jan 5, 2016·0 cites·23 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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