% Expired Patents = 28.6

CIPO Patents = 2

EPO Patents = 2

Trademarks = 3

Forward Citations = 38

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14 inventors (with patents filed for the assignee):

Sylvie Baig (1 out of 5 patents)

Chrystelle Langlais (1 out of 5 patents)

Stephen M Rybar (1 out of 1 patent)

4. Roger D Hamill (1 out of 1 patent)

5. Michel Cordier (1 out of 3 patents)

6. Jack H Jessop (1 out of 2 patents)

7. Harold W Johnson, Jr (1 out of 2 patents)

8. Paul Etienne (1 out of 1 patent)

9. Pierre Buffiere (1 out of 1 patent)

10. Alain Truc (1 out of 2 patents)

11. Eric Thieblin (1 out of 4 patents)

12. Roger Pujol (1 out of 5 patents)

13. Anne Mechineau (1 out of 1 patent)

14. Didier Perrin (1 out of 1 patent)

15. Paris Neofotistos (3 patents)

7 patents: Sort by Forward Citations

1. 7144500 - Variable speed waste removal system (2006-12-05),

2. 6984314 - Method for biological purification of effluents using biofilm supporting particles (2006-01-10),

3. 6974544 - Membrane filtration (2005-12-13),

4. 6921481 - Automatic backwash filter system (2005-07-26),

5. 6866788 - Method and device for purifying aqueous effluents by catalytic oxidation (2005-03-15),

6. 6780319 - Method and installation for treating effluents, comprising an additional treatment of the sludge by ozonization (2004-08-24),

7. 6649917 - Cleaning system for UV disinfection module/reactor (2003-11-18),

Company Overview

Ondeo Degremont is a subsidiary of SUEZ providing water and waste management solutions globally. With over 100 years of experience, they offer sustainable and innovative technologies to help communities and industries manage their water resources efficiently. Their services include designing, building, and operating water treatment plants, as well as providing solutions for wastewater treatment and recycling.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#24 in Rueil Malmaison

#2,219 in France

Rueil Malmaison, France

Ondeo Degremont

Forward Citations = 38

14 inventors:

Sylvie Baig (1 out of 5 patents)

Chrystelle Langlais (1 out of 5 patents)

Stephen M Rybar (1 out of 1 patent)

4. Roger D Hamill (1 out of 1 patent)

5. Michel Cordier (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ondeo Degremont. Retrieved from https://idiyas.com/company/ondeo-degremont

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]

2 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]

2 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]