Assignee
PERFTECH INC
US52 patents
Top patents by PatentIndex Score
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Internet provider subscriber communications system
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US10834157B2Nov 10, 2020
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US10616131B2Apr 7, 2020
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US10601841B2Mar 24, 2020
System, method and computer readable medium for determining users of an internet service
PERFTECH INC2 citations84
US10225210B2Mar 5, 2019
Internet provider subscriber communications system
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US9307041B2Apr 5, 2016
Internet connection user communications system
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US10915596B2Feb 9, 2021
Method and apparatus of processing invalid user input search information
PERFTECH INC4 citations80
US9727658B2Aug 8, 2017
Method and apparatus of processing invalid user input search information
PERFTECH INC8 citations79
US12438889B2Oct 7, 2025
System, method and computer readable medium for message authentication to subscribers of an internet service provider
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US12192213B2Jan 7, 2025
System, method and computer readable medium for processing unsolicited electronic mail
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US11956251B2Apr 9, 2024
System, method and computer readable medium for determining users of an internet service
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US11743205B2Aug 29, 2023
Internet provider subscriber communications system
PERFTECH INC2 citations73
US11736543B2Aug 22, 2023
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US11563750B2Jan 24, 2023
System, method and computer readable medium for determining users of an internet service
PERFTECH INC0 citations73
US11552961B2Jan 10, 2023
System, method and computer readable medium for processing unsolicited electronic mail
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US11509665B2Nov 22, 2022
System, method and computer readable medium for message authentication to subscribers of an internet service provider
PERFTECH INC0 citations73
US10992686B2Apr 27, 2021
System, method and computer readable medium for determining users of an internet service
PERFTECH INC0 citations73
US10986102B2Apr 20, 2021
System, method and computer readable medium for processing unsolicited electronic mail
PERFTECH INC0 citations73
US10979484B2Apr 13, 2021
Method and system for providing watermark to subscribers
PERFTECH INC2 citations73
US10904265B2Jan 26, 2021
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Internet provider subscriber communications system
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US12086201B2Sep 10, 2024
Method and apparatus of processing invalid user input search information
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US11580185B2Feb 14, 2023
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PERFTECH INC3 citations69
US12574346B2Mar 10, 2026
Transparent replacement of an internet protocol network router
PERFTECH INC0 citations63
US10554671B2Feb 4, 2020
System, method and computer readable medium for processing unsolicited electronic mail
PERFTECH INC0 citations63
US10348738B2Jul 9, 2019
System, method and computer readable medium for message authentication to subscribers of an internet service provider
PERFTECH INC0 citations63
US10069846B2Sep 4, 2018
System, method and computer readable medium for processing unsolicited electronic mail
PERFTECH INC0 citations63
US9838402B2Dec 5, 2017
System, method and computer readable medium for determining users of an internet service
PERFTECH INC0 citations63
US9742786B2Aug 22, 2017
System, method and computer readable medium for processing unsolicited electronic mail
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US9325760B2Apr 26, 2016
Internet provider subscriber communications system
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US9300613B2Mar 29, 2016
System, method and computer readable medium for processing unsolicited electronic mail
PERFTECH INC0 citations63
US9231961B2Jan 5, 2016
System, method and computer readable medium for message authentication to subscribers of an internet service provider
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US8996640B2Mar 31, 2015
System, method and computer readable medium for processing unsolicited electronic mail
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US12531936B2Jan 20, 2026
System and method for providing redirections
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US12177287B2Dec 24, 2024
Method and system for providing watermark to subscribers
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System and method for set-top-box messaging display
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System and method for providing redirections
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US11711417B2Jul 25, 2023
Method and system for providing watermark to subscribers
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US11601726B2Mar 7, 2023
System and method for set-top-box messaging display
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US11405478B2Aug 2, 2022
System and method for providing redirections
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US11277671B2Mar 15, 2022
System and method for set-top-box messaging display
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System and method for set-top-box messaging display
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US12580857B2Mar 17, 2026
Maintaining IP/MAC association using ARP scanning and spoofing
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US12549360B2Feb 10, 2026
Extensions to wireguard for address assignment and route announcement
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US10631062B2Apr 21, 2020
System and method for set-top-box messaging display
PERFTECH INC0 citations52
US10616360B2Apr 7, 2020
System and method for providing redirections
PERFTECH INC0 citations52
US10567470B2Feb 18, 2020
Method and system for providing watermark to subscribers
PERFTECH INC0 citations52
US10327038B2Jun 18, 2019
System and method for set-top-box messaging display
PERFTECH INC0 citations52
US9584581B2Feb 28, 2017
Method and system for providing watermark to subscribers
PERFTECH INC0 citations52
Showing the top 50 of 52 patents by PatentIndex Score.