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De Nora S.p.a.

USPTO Granted Patents = 29

% Expired Patents = 3.4

Forward Citations = 314

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31 inventors (with patents filed for the assignee):

Robert J Allen (9 out of 83 patents)

James R Giallombardo (7 out of 8 patents)

Emory Sayre De Castro (6 out of 22 patents)

4. Khaleda Shaikh (5 out of 7 patents)

5. Emilio Zioni (5 out of 5 patents)

6. Ulderico Nevosi (3 out of 8 patents)

7. Daniel Czerwiec (3 out of 4 patents)

8. Claudio Mantegazza (3 out of 5 patents)

9. Antonio Nidola (3 out of 47 patents)

10. Peter Fabian (3 out of 3 patents)

11. Enrico Ramunni (2 out of 6 patents)

12. Massimo Brambilla (2 out of 6 patents)

13. Vincenzo Antonucci (2 out of 2 patents)

14. Antonino Arico' (2 out of 2 patents)

15. Michael DeMarinis (2 out of 3 patents)

Core Competencies:

Polymeric Membrane

Electrochemical Cell

Gas Diffusion Electrode

Selective Oxidation Catalyst

Rhodium Electrocatalyst

Anode Coating

Ion Exchange Membrane

Bipolar Plate

Electrolyzer

Chlor-Alkali Electrolysis

Electrode Reactivation

Hydrochloric Acid Electrolysis

29 patents: Sort by Forward Citations

1. 6780537 - Polymeric membrane electrochemical cell operating at temperatures above 100 c (2004-08-24),

2. 6673127 - Method of forming robust metal, metal oxide, and metal alloy layers on ion-conductive polymer membranes (2004-01-06),

3. 6444602 - Structures and methods of manufacture for gas diffusion electrodes and electrode components (2002-09-03),

4. 6387440 - Method for applying a coating to a metal substrate or repairing a coating applied to the same (2002-05-14),

5. 6379834 - Composition of a selective oxidation catalyst for use in fuel cells (2002-04-30),

6. 6358381 - Rhodium electrocatalyst and method of preparation (2002-03-19),

7. 6287631 - Method for applying a coating to a flange of an electrochemical cell or repairing a coating applied to the same (2001-09-11),

8. 6214181 - Ion exchange membrane bipolar electrolyzer (2001-04-10),

9. 6210550 - Anode with improved coating for oxygen evolution in electrolytes containing manganese (2001-04-03),

10. 6165636 - Composition of a selective oxidation catalyst for use in fuel cells (2000-12-26),

11. 6156184 - Polymeric membrane electrochemical cell operating at temperatures above (2000-12-05),

12. 6149782 - Rhodium electrocatalyst and method of preparation (2000-11-21),

13. 6103093 - Anode for oxygen evolution in electrolytes containing manganese and (2000-08-15),

14. 6103077 - Structures and methods of manufacture for gas diffusion electrodes and (2000-08-15),

15. 6077621 - Method of forming robust metal, metal oxide, and metal alloy layers on (2000-06-20),

Company Overview

De Nora S.p.a. is a leading global provider of sustainable technologies and solutions, specializing in electrochemical processes and water treatment. The company develops advanced systems for various applications, including energy generation, water disinfection, and industrial processes. With a strong focus on innovation, De Nora leverages its expertise in electrochemistry to enhance efficiency and sustainability across multiple sectors. Headquartered in France, the company serves a diverse range of industries worldwide, contributing to environmental protection and resource conservation.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

29 Patents

#26 in

#742 in France

#22,552 in the World

De Nora S.p.a.

Forward Citations = 314

31 inventors:

Robert J Allen (9 out of 83 patents)

James R Giallombardo (7 out of 8 patents)

Emory Sayre De Castro (6 out of 22 patents)

4. Khaleda Shaikh (5 out of 7 patents)

5. Emilio Zioni (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: De Nora S.p.a.. Retrieved from https://idiyas.com/company/de-nora

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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