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For the Inventor, By the Inventor

San Antonio, TX, United States of America

Perftech, Inc.


USPTO Granted Patents = 60

Trademarks = 4

Forward Citations = 338

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9 inventors (with patents filed for the assignee):

goldMedal Lewis Thomas Donzis (60 out of 69 patents)

silverMedal John Anthony Murphy (59 out of 65 patents)

bronzeMedal Henry Michael Donzis (59 out of 63 patents)

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

5.  Peter Wayne Baron (39 out of 47 patents)

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

7.  Lee Carl Ziegenhals (6 out of 6 patents)

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

9.  Ryan M Matelske (1 out of 2 patents)


Core Competencies:
Message Authentication
IPV6 Address Translation
Unsolicited Electronic Mail
Watermarking Techniques
User Input Processing
Set-Top-Box Messaging
Subscriber Communications
Redirection Methods
Internet Service Providers
User Determination
Electronic Communication Systems

60 patents:

1. 12438889 - System, method and computer readable medium for message authentication to subscribers of an internet service provider (2025-10-07),
2. 12432142 - IPV6 address translation for compatibility with multiple carriers (2025-09-30),
3. 12192213 - System, method and computer readable medium for processing unsolicited electronic mail (2025-01-07),
4. 12177287 - Method and system for providing watermark to subscribers (2024-12-24),
5. 12086201 - Method and apparatus of processing invalid user input search information (2024-09-10),
6. 12075131 - System and method for set-top-box messaging display (2024-08-27),
7. 11997180 - System and method for providing redirections (2024-05-28),
8. 11956251 - System, method and computer readable medium for determining users of an internet service (2024-04-09),
9. 11743205 - Internet provider subscriber communications system (2023-08-29),
10. 11736543 - Internet provider subscriber communications system (2023-08-22),
11. 11711417 - Method and system for providing watermark to subscribers (2023-07-25),
12. 11601726 - System and method for set-top-box messaging display (2023-03-07),
13. 11580185 - Method and apparatus of processing invalid user input search information (2023-02-14),
14. 11563750 - System, method and computer readable medium for determining users of an internet service (2023-01-24),
15. 11552961 - System, method and computer readable medium for processing unsolicited electronic mail (2023-01-10),
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.

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USPTO Data Jan 1 1976 - Dec 16 2025

60 Patents

#10 in San Antonio, TX

#333 in Texas

#5,782 in US

#11,660 in the World

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San Antonio, TX, United States of America

Perftech, Inc.

Forward Citations = 338

9 inventors:

goldMedal Lewis Thomas Donzis (60 out of 69 patents)

silverMedal John Anthony Murphy (59 out of 65 patents)

bronzeMedal Henry Michael Donzis (59 out of 63 patents)

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

5.  Peter Wayne Baron (39 out of 47 patents)

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