For the Inventor, By the Inventor

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San Antonio, TX, United States of America

Perftech, Inc.

USPTO Granted Patents = 65

% Expired Patents = 10.8

Trademarks = 4

Forward Citations = 344

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9 inventors (with patents filed for the assignee):

Lewis Thomas Donzis (65 out of 74 patents)

John Anthony Murphy (61 out of 68 patents)

Henry Michael Donzis (60 out of 64 patents)

4. Jonathan Elliott Schmidt (46 out of 51 patents)

5. Peter Wayne Baron (40 out of 48 patents)

6. Rodney D Frey (36 out of 36 patents)

7. Lee Carl Ziegenhals (8 out of 8 patents)

8. Johathan Elliott Schmidt (1 out of 1 patent)

9. Ryan M Matelske (1 out of 3 patents)

Core Competencies:

IP Address Management

Message Authentication

Email Processing

Internet Protocol

Subscriber Communications

ARP Scanning

Watermarking

Set-Top-Box Messaging

Invalid Input Processing

Route Announcement

Address Assignment

Network Redirection

65 patents: Sort by Forward Citations

1. 12627500 - Providing remote access to an internet-connected device (2026-05-12),

2. 12580857 - Maintaining IP/MAC association using ARP scanning and spoofing (2026-03-17),

3. 12574346 - Transparent replacement of an internet protocol network router (2026-03-10),

4. 12549360 - Extensions to wireguard for address assignment and route announcement (2026-02-10),

5. 12531936 - System and method for providing redirections (2026-01-20),

6. 12438889 - System, method and computer readable medium for message authentication to subscribers of an internet service provider (2025-10-07),

7. 12432142 - IPV6 address translation for compatibility with multiple carriers (2025-09-30),

8. 12192213 - System, method and computer readable medium for processing unsolicited electronic mail (2025-01-07),

9. 12177287 - Method and system for providing watermark to subscribers (2024-12-24),

10. 12086201 - Method and apparatus of processing invalid user input search information (2024-09-10),

11. 12075131 - System and method for set-top-box messaging display (2024-08-27),

12. 11997180 - System and method for providing redirections (2024-05-28),

13. 11956251 - System, method and computer readable medium for determining users of an internet service (2024-04-09),

14. 11743205 - Internet provider subscriber communications system (2023-08-29),

15. 11736543 - Internet provider subscriber communications system (2023-08-22),

Company Overview

Perftech, Inc. is a technology company based in San Antonio, Texas, specializing in internet communications. The organization focuses on developing advanced solutions in IP address management, message authentication, and email processing. Their expertise extends to internet protocol technologies, subscriber communications, and ARP scanning, enhancing the reliability and security of digital communications. Additionally, Perftech is involved in watermarking and set-top-box messaging, contributing to innovative communication strategies in various sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

65 Patents

#11 in San Antonio, TX

#311 in Texas

#5,611 in US

#11,332 in the World

San Antonio, TX, United States of America

Perftech, Inc.

Forward Citations = 344

9 inventors:

Lewis Thomas Donzis (65 out of 74 patents)

John Anthony Murphy (61 out of 68 patents)

Henry Michael Donzis (60 out of 64 patents)

4. Jonathan Elliott Schmidt (46 out of 51 patents)

5. Peter Wayne Baron (40 out of 48 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Perftech, Inc.. Retrieved from https://idiyas.com/company/perftech

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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