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Danbury, CT, United States of America

Praxair Technology, Inc.

USPTO Granted Patents = 1,446

CIPO Patents = 141

EPO Patents = 244

Trademarks = 38

Forward Citations = 16,174

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1,016 inventors (with patents filed for the assignee):

Dante Patrick Bonaquist (121 out of 123 patents)

Raymond Francis Drnevich (86 out of 96 patents)

Henry Edward Howard (79 out of 79 patents)

4. Hisashi Kobayashi (76 out of 84 patents)

5. Minish Mahendra Shah (65 out of 65 patents)

6. Bayram Arman (56 out of 56 patents)

7. Ravi Prasad (53 out of 68 patents)

8. Neil Mark Prosser (49 out of 50 patents)

9. Arun Acharya (41 out of 53 patents)

10. Christian Friedrich Gottzmann (38 out of 41 patents)

11. John Henri Royal (36 out of 37 patents)

12. James Smolarek (36 out of 43 patents)

13. Michael James Lockett (36 out of 46 patents)

14. Mark William Ackley (35 out of 36 patents)

15. John Fredric Billingham (32 out of 32 patents)

Core Competencies:

Cryogenic Air Separation

VPSA Technology

Gas Dosing Apparatus

Thermochemical Regeneration

Combustion Enhancement

Nitrogen Production

Adsorbent Materials

Natural Gas Liquefaction

Electromagnetic Temperature Control

Portable Cryogenic Pump

High Purity Nitrogen

Gas Delivery Optimization

1,446 patents: Sort by Forward Citations

1. 12494374 - Methods for gas phase selective etching of silicon-germanium layers (2025-12-09),

2. 12492784 - System and method for high flow rate liquid hydrogen tank filling (2025-12-09),

3. 12465060 - Apparatus and method for crust freezing (2025-11-11),

4. 12448288 - Startup methods for oxidation reactor (2025-10-21),

5. 12352496 - Air separation unit and method for cryogenic separation of air using a distillation column system including an intermediate pressure kettle column (2025-07-08),

6. 12351458 - Methods of operational flexibility in partial oxidation (2025-07-08),

7. 12345414 - Method for enhancing combustion reactions in high heat transfer environments (2025-07-01),

8. 12343673 - Energy efficient VPSA system with direct drive high speed centrifugal compressors (2025-07-01),

9. 12331992 - Method for controlling a recycle gas stream utilizing an ejector for the cooling of a unit operation (2025-06-17),

10. 12259284 - Temperature control using applied electromagnetic fields (2025-03-25),

11. 12219978 - Helical device for cooling or heating (2025-02-11),

12. 12215680 - Portable, cryogenic fluid pump apparatus with associated instrumentation, conduit legs and accessories (2025-02-04),

13. 12209802 - System and method for cryogenic air separation using four distillation columns including an intermediate pressure column (2025-01-28),

14. 12203705 - Enhancement of thermochemical regeneration operation (2025-01-21),

15. 12152737 - System and method for cryogenic vaporization using circulating cooling loop (2024-11-26),

Praxair Technology, Inc. is a global leading industrial gas company providing atmospheric and process gases, as well as related equipment and technologies. They serve a wide range of industries including manufacturing, healthcare, food and beverage, electronics, and more. Praxair is committed to delivering innovative solutions that help their customers improve efficiency, sustainability, and productivity.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

1,446 Patents

#1 in Danbury, CT

#7 in Connecticut

#333 in US

#662 in the World

Danbury, CT, United States of America

Praxair Technology, Inc.

Forward Citations = 16,174

1,016 inventors:

Dante Patrick Bonaquist (121 out of 123 patents)

Raymond Francis Drnevich (86 out of 96 patents)

Henry Edward Howard (79 out of 79 patents)

4. Hisashi Kobayashi (76 out of 84 patents)

5. Minish Mahendra Shah (65 out of 65 patents)

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