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USPTO Data Jan 1 1976 - Oct 13 2026
1,461 Patents
#2 in Danbury, CT
#11 in Connecticut
#337 in US
#672 in the World
Praxair Technology, Inc.
Forward Citations = 16,539
956 inventors:
Danbury, CT, United States of America
Praxair Technology, Inc.
% Expired Patents = 21.4
CIPO Patents = 89
EPO Patents = 242
Trademarks = 31
Forward Citations = 16,539
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956 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 (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:
Company Overview
Praxair Technology, Inc., headquartered in Danbury, CT, specializes in cryogenic air separation technologies, focusing on the production of high-purity nitrogen and other industrial gases. The company is recognized for its advancements in energy storage systems and gas phase etching, contributing to various sectors including manufacturing and environmental management. Praxair is also engaged in developing innovative solutions such as thermochemical regeneration and VPSA systems, enhancing efficiency and sustainability in gas production and usage.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Praxair Technology, Inc.. Retrieved from https://idiyas.com/company/praxair-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]
89 patents (CIPO):
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]
242 patents (EPO):
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]