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For the Inventor, By the Inventor

Huntsville, AL, United States of America

Avocent Corporation


USPTO Granted Patents = 53

% Expired Patents = 13.2



Trademarks = 12

Forward Citations = 667

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54 inventors (with patents filed for the assignee):

goldMedal William A Dambrackas (12 out of 12 patents)

silverMedal Philip M Kirshtein (12 out of 18 patents)

bronzeMedal Christopher L Thomas (9 out of 13 patents)

4.  Craig S Siegman (7 out of 12 patents)

5.  Robert L Gilgen (6 out of 9 patents)

6.  Steven F Brown (6 out of 15 patents)

7.  David H Stafford (5 out of 5 patents)

8.  Mario Costa (3 out of 7 patents)

9.  Steven R Blackwell (3 out of 26 patents)

10.  Paul D Durden (3 out of 3 patents)

11.  Anthony K Scragg, Jr (3 out of 3 patents)

12.  Robert V Seifert, Jr (3 out of 11 patents)

13.  Robert R Asprey (3 out of 26 patents)

14.  William J Pinkston (3 out of 4 patents)

15.  Arnaldo Zimmermann (2 out of 28 patents)


Core Competencies:
Video Compression Encoder
KVM Switch
Noise Immunity
Virtual Media
Remote Viewing
USB Virtualization
Network Devices
Audio Device Virtualization
Twisted Pair Communications
Digital Video Compression

53 patents:

1. 10042656 - System and method for providing migrateable virtual serial port services (2018-08-07),
2. 9854254 - Method and system for remote viewing of static and video images (2017-12-26),
3. 9743095 - Video compression encoder (2017-08-22),
4. 9560371 - Video compression system (2017-01-31),
5. 9398072 - Virtual media systems, methods and devices (2016-07-19),
6. 9244699 - Method and system for audio device virtualization (2016-01-26),
7. 9116821 - Method and system for USB device virtualization (2015-08-25),
8. 9008191 - Video compression encoder (2015-04-14),
9. 8805096 - Video compression noise immunity (2014-08-12),
10. 8660194 - DVC delta commands (2014-02-25),
11. 8656086 - System and method for autonomous NAND refresh (2014-02-18),
12. 8573493 - Method and system for smart card virtualization (2013-11-05),
13. 8457195 - Video compression system (2013-06-04),
14. 8427301 - System and method for identifying electrical equipment using wireless receivers (2013-04-23),
15. 8385429 - Video compression encoder (2013-02-26),
Company Overview
Avocent Corporation, headquartered in Huntsville, Alabama, specializes in advanced video compression technology and related solutions. The company focuses on developing innovative products such as video compression encoders, KVM switches, and network devices that enhance remote viewing and USB virtualization capabilities. Avocent's expertise extends to audio device virtualization and ensuring noise immunity, making it a key player in optimizing data transmission and management in various environments, including enterprise and industrial applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Avocent Corporation USPTO Patent Assignee Logo
53 Patents

#10 in Huntsville, AL

#31 in Alabama

#6,670 in US

#13,334 in the World

Huntsville, AL (US)
Huntsville, AL, United States of America

Avocent Corporation

Forward Citations = 667

54 inventors:

goldMedal William A Dambrackas (12 out of 12 patents)

silverMedal Philip M Kirshtein (12 out of 18 patents)

bronzeMedal Christopher L Thomas (9 out of 13 patents)

4.  Craig S Siegman (7 out of 12 patents)

5.  Robert L Gilgen (6 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Avocent Corporation. Retrieved from https://idiyas.com/company/avocent

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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