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For the Inventor, By the Inventor

Danbury, CT, United States of America

Praxair Technology, Inc.


USPTO Granted Patents = 1,461

% Expired Patents = 21.4



Trademarks = 31

Forward Citations = 16,539

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950 inventors (with patents filed for the assignee):

goldMedal Dante Patrick Bonaquist (121 out of 123 patents)

silverMedal Raymond Francis Drnevich (86 out of 96 patents)

bronzeMedal Henry Edward Howard (80 out of 80 patents)

4.  Hisashi Kobayashi (77 out of 85 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 (51 out of 52 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
Nitrogen Production
Energy Storage Systems
Gas Phase Etching
Carbon Adsorbents
High Purity Nitrogen
Thermochemical Regeneration
VPSA Systems
Liquid Nitrogen
Gas Dosing Apparatus
Hydrogen Purification
Dual Column Units

1,461 patents:

1. 12736282 - Air separation unit and method for cryogenic separation of air using a distillation column system including an intermediate pressure kettle column (2026-09-15),
2. 12736281 - Method for generating refrigeration for a carbon monoxide cold box (2026-09-15),
3. 12736280 - System and method for co-production of a densified liquid oxygen product and densified liquid methane product (2026-09-15),
4. 12715765 - Oxygen transport membrane reactors for decarbonization (2026-08-25),
5. 12697584 - System and method for pre-purification of a feed gas stream (2026-08-04),
6. 12687341 - Fuel blending in thermochemical heat exchange methods (2026-07-21),
7. 12687293 - Burner with alternate modes for flexible operation (2026-07-21),
8. 12667803 - High recovery process for purification of multicomponent gases (2026-06-30),
9. 12613011 - Protective shroud for a valve integrated pressure regulator (VIPR) (2026-04-28),
10. 12607399 - Liquid nitrogen energy storage system (2026-04-21),
11. 12583743 - Method for carbon formation free operation of reformers (2026-03-24),
12. 12582978 - Catalyst decontamination process (2026-03-24),
13. 12560366 - Dry ice containing shippers (2026-02-24),
14. 12546252 - Integrated gas turbine cycle and liquid air energy conversion system (2026-02-10),
15. 12520854 - System for cooling non-liquid conveyable product (2026-01-13),
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.

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USPTO Data Jan 1 1976 - Sep 22 2026

Praxair Technology, Inc.
1,461 Patents

#2 in Danbury, CT

#11 in Connecticut

#337 in US

#671 in the World

Danbury, CT (US)
Danbury, CT, United States of America

Praxair Technology, Inc.

Forward Citations = 16,539

950 inventors:

goldMedal Dante Patrick Bonaquist (121 out of 123 patents)

silverMedal Raymond Francis Drnevich (86 out of 96 patents)

bronzeMedal Henry Edward Howard (80 out of 80 patents)

4.  Hisashi Kobayashi (77 out of 85 patents)

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

Please report any incorrect information to [email protected]
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