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North Haven, CT, United States of America

Praxair S.t. Technology, Inc.

USPTO Granted Patents = 162

% Expired Patents = 9.9

CIPO Patents = 8

EPO Patents = 40

Trademarks = 9

Forward Citations = 1,608

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145 inventors (with patents filed for the assignee):

Paul S Gilman (27 out of 67 patents)

Thomas J Hunt (14 out of 28 patents)

Thomas Alan Taylor (13 out of 18 patents)

4. Irina Belov (11 out of 13 patents)

5. Andrew C Perry (11 out of 12 patents)

6. James Kent Knapp (11 out of 11 patents)

7. Albert Feuerstein (10 out of 13 patents)

8. Holger J Koenigsmann (10 out of 13 patents)

9. Zhihong Tang (9 out of 9 patents)

10. Thomas F Lewis, Iii (9 out of 10 patents)

11. Ardy Kleyman (8 out of 9 patents)

12. Daryl Copeland (7 out of 7 patents)

13. Kevin E Garing (7 out of 8 patents)

14. Hideo Nitta (7 out of 7 patents)

15. Jiinjen A Sue (6 out of 9 patents)

Core Competencies:

Thermal Spray Coatings

Ceramic Coatings

Corrosion Protection

Sputter Targets

Chromate-Free Coatings

Aluminide Coatings

High Purity Powders

Electroplated Coatings

Textured Films

Diffusion Coatings

Metal Components

Additive Overlaying

162 patents: Sort by Forward Citations

1. 12545791 - Chromate-free and phosphate-free ceramic coating compositions for hot corrosion protection of substrates (2026-02-10),

2. 12252628 - Chromate-free inorganic coating systems for hot corrosion protection of superalloy substrate (2025-03-18),

3. 12018384 - Thin and texturized films having fully uniform coverage of a non-smooth surface derived from an additive overlaying process (2024-06-25),

4. 11965251 - One-step methods for creating fluid-tight, fully dense coatings (2024-04-23),

5. 11827808 - Erosion and corrosion resistant overlay coating systems for protection of metal components (2023-11-28),

6. 11535560 - Chromate-free ceramic coating compositions for hot corrosion protection of superalloy substrates (2022-12-27),

7. 11479841 - Thin and texturized films having fully uniform coverage of a non-smooth surface derived from an additive overlaying process (2022-10-25),

8. 11261135 - Chromate-free ceramic compositions with reduced curing temperature (2022-03-01),

9. 11225441 - Chromium-free silicate-based ceramic compositions with reduced curing temperature (2022-01-18),

10. 10801097 - Thermal spray coatings onto non-smooth surfaces (2020-10-13),

11. 10533255 - Slurry formulations for formation of reactive element-doped aluminide coatings and methods of forming the same (2020-01-14),

12. 10407762 - Mask formulation to prevent aluminizing onto the pre-existing chromide coating (2019-09-10),

13. 10156007 - Methods of applying chromium diffusion coatings onto selective regions of a component (2018-12-18),

14. 10023939 - Gold evaporative sources with reduced contaminants and methods for making the same (2018-07-17),

15. 9970094 - Modified slurry compositions for forming improved chromium diffusion coatings (2018-05-15),

Company Overview

Praxair S.T. Technology, Inc., based in North Haven, CT, specializes in advanced thermal coatings that enhance the durability and performance of various substrates. The company focuses on developing a range of thermal spray coatings, including ceramic and aluminide coatings, designed for corrosion protection and high-temperature applications. Additionally, Praxair is known for its production of high purity powders and electroplated coatings, contributing to industries that require robust and reliable surface solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

162 Patents

#1 in North Haven, CT

#70 in Connecticut

#2,454 in US

#5,098 in the World

North Haven, CT, United States of America

Praxair S.t. Technology, Inc.

Forward Citations = 1,608

145 inventors:

Paul S Gilman (27 out of 67 patents)

Thomas J Hunt (14 out of 28 patents)

Thomas Alan Taylor (13 out of 18 patents)

4. Irina Belov (11 out of 13 patents)

5. Andrew C Perry (11 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Praxair S.t. Technology, Inc.. Retrieved from https://idiyas.com/company/praxair-s-t-technology

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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