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Plano, TX, United States of America

Amt International Inc.

USPTO Granted Patents = 42

% Expired Patents = 33.3

EPO Patents = 8

Forward Citations = 320

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49 inventors (with patents filed for the assignee):

Kuang-Yeu Wu (27 out of 28 patents)

Tzong-Bin Lin (19 out of 28 patents)

Adam T Lee (12 out of 24 patents)

4. Hung-Chung Shen (12 out of 20 patents)

5. Fu-Ming Lee (11 out of 37 patents)

6. Jyh-Haur Hwang (9 out of 12 patents)

7. Tsung-Min Chiu (8 out of 8 patents)

8. Larry W Burton (8 out of 10 patents)

9. Karl T Chuang (6 out of 38 patents)

10. Karl Tze-Tang Chuang (6 out of 13 patents)

11. Ji-Young Jang (5 out of 5 patents)

12. Francis William Lemon (5 out of 9 patents)

13. Jeng-Cheng Lee (4 out of 7 patents)

14. Lindsey Vuong (4 out of 4 patents)

15. Yu-Ming Wu (4 out of 4 patents)

Core Competencies:

Solvent Regeneration

Extractive Distillation

Gas-Liquid Contact

Aromatic Hydrocarbons

Acetic Acid Recovery

Petroleum Oils

Heavy Hydrocarbons

Chemical Filtration

Seawater Treatment

Tray Assembly

Fractionation Process

Contaminated Solvent

42 patents: Sort by Forward Citations

1. 9844738 - Tray assembly for gas/liquid contact tower (2017-12-19),

2. 9649638 - Process and apparatus for online rejuvenation of contaminated sulfolane solvent (2017-05-16),

3. 9440947 - Regeneration of selective solvents for extractive processes (2016-09-13),

4. 9193660 - Process for recovery of a carboxylic acid from a feed stream containing the corresponding ester (2015-11-24),

5. 9067846 - Process for producing styrene-, methylstyrene- and ethylbenzene-free C6-C9 aromatic hydrocarbon blends (2015-06-30),

6. 9005405 - Extractive distillation process for benzene recovery (2015-04-14),

7. 8900449 - Magnetic filter for refining and chemical industries (2014-12-02),

8. 8766028 - Separating styrene from C6-C8 aromatic hydrocarbons (2014-07-01),

9. 8680358 - Methods for removing heavy hydrocarbons from extractive solvents (2014-03-25),

10. 8663461 - Extraction process with novel solvent regeneration methods (2014-03-04),

11. 8636907 - Sealed magnetic filter for hazardous operations and easy clean service (2014-01-28),

12. 8506766 - Method for recovery of acetic acid from an aqueous solution thereof (2013-08-13),

13. 8449656 - Process and apparatus for removal of oxygen from seawater (2013-05-28),

14. 8425764 - Process for producing petroleum oils with ultra-low nitrogen content (2013-04-23),

15. 8382961 - System and method for reduction of water consumption in purified terephthalic acid production (2013-02-26),

Company Overview

Amt International Inc., based in Plano, TX, specializes in advanced technologies for gas-liquid contacting and extractive distillation. The company focuses on innovative solutions for solvent regeneration and the recovery of aromatic hydrocarbons and acetic acid. With expertise in magnetic filtration and hydrocarbon separation, Amt International plays a significant role in petroleum processing, providing cutting-edge methodologies that enhance efficiency and sustainability in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

42 Patents

#32 in Plano, TX

#457 in Texas

#8,253 in US

#16,338 in the World

Plano, TX, United States of America

Amt International Inc.

Forward Citations = 320

49 inventors:

Kuang-Yeu Wu (27 out of 28 patents)

Tzong-Bin Lin (19 out of 28 patents)

Adam T Lee (12 out of 24 patents)

4. Hung-Chung Shen (12 out of 20 patents)

5. Fu-Ming Lee (11 out of 37 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Amt International Inc.. Retrieved from https://idiyas.com/company/amt-international

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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