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),

Perftech, Inc. is a leading provider of innovative technology solutions for network performance and optimization. With a focus on improving user experience and efficiency, Perftech offers a range of products and services to help businesses maximize their network performance. From data analytics to network monitoring, Perftech is dedicated to driving success for its clients.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

65 Patents

#11 in San Antonio, TX

#310 in Texas

#5,597 in US

#11,302 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)

Please report any incorrect information to [email protected]

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