For the Inventor, By the Inventor

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Blacksburg, VA, United States of America

Tetra Holding (US), Inc.

USPTO Granted Patents = 27

% Expired Patents = 29.6

Trademarks = 51

Forward Citations = 260

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21 inventors (with patents filed for the assignee):

Daniel Anderson Newman (6 out of 29 patents)

Donald Barry Huehn (5 out of 9 patents)

Mark Gerard Agresta (5 out of 9 patents)

4. Joseph Christopher Carley (5 out of 12 patents)

5. Jeffrey Alan Warden (4 out of 18 patents)

6. Joseph Roark (3 out of 3 patents)

7. John Edward Fox (3 out of 13 patents)

8. Rodney Allen Parker (2 out of 2 patents)

9. Donald L Dover (2 out of 2 patents)

10. Paul Anthony Moore (2 out of 2 patents)

11. Dietmar Kuhlmann (2 out of 4 patents)

12. Hubert Kürzinger (2 out of 5 patents)

13. Hartmut Schmidt (2 out of 3 patents)

14. Barry Huehn (1 out of 6 patents)

15. Günter Ritter (1 out of 3 patents)

Core Competencies:

Aquarium Filter

Filter Cartridge

Protein Skimmer

Water Treatment Agent

Air-Powered Filter

Filtration Devices

Aquatic Animal Feed

Pond Filter

Uni-Directional Impeller

Dual Density Filter

Self-Positioning Cartridge

Fluid Bypass

27 patents: Sort by Forward Citations

1. 7927483 - Filter with self-positioning cartridge arrangement (2011-04-19),

2. D628675 - Aquarium filter cartridge with tab (2010-12-07),

3. D626193 - Aquarium filter cartridge with tab (2010-10-26),

4. 7785476 - Protein skimmer with stationary fan (2010-08-31),

5. 7670484 - Filter cartridge construction with carbon profile (2010-03-02),

6. 7658842 - Filter cartridge assembly with water collection (2010-02-09),

7. 7651609 - Filter with self-positioning cartridge arrangement (2010-01-26),

8. 7638044 - Aquarium filter housing with rounded bottom (2009-12-29),

9. 7553411 - Filter cartridge (2009-06-30),

10. 7416659 - Filter apparatus with fluid bypass (2008-08-26),

11. 7316775 - Air-powered filter arrangement (2008-01-08),

12. 7252762 - Filter housing arrangement with cartridge guides (2007-08-07),

13. 7241379 - Filter housing arrangement (2007-07-10),

14. 7060181 - Dual density filter cartridge (2006-06-13),

15. 7040860 - Uni-directional impeller, and impeller and rotor assembly (2006-05-09),

Company Overview

Tetra Holding (US), Inc. is based in Blacksburg, Virginia, and specializes in advanced technology solutions across various sectors. The company focuses on developing innovative products and services that enhance operational efficiency and drive technological advancement. With a strong emphasis on research and development, Tetra Holding engages in multiple domains, including software development, engineering services, and system integration, catering to both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

27 Patents

#5 in Blacksburg, VA

#215 in Virginia

#12,420 in US

#24,012 in the World

Blacksburg, VA, United States of America

Tetra Holding (US), Inc.

Forward Citations = 260

21 inventors:

Daniel Anderson Newman (6 out of 29 patents)

Donald Barry Huehn (5 out of 9 patents)

Mark Gerard Agresta (5 out of 9 patents)

4. Joseph Christopher Carley (5 out of 12 patents)

5. Jeffrey Alan Warden (4 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tetra Holding (US), Inc.. Retrieved from https://idiyas.com/company/tetra-holding-us

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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