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For the Inventor, By the Inventor

Rueil-Malmaison, France

Degremont Sa


USPTO Granted Patents = 11



Trademarks = 3

Forward Citations = 196

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15 inventors (with patents filed for the assignee):

goldMedal Jean Durot (3 out of 7 patents)

silverMedal Jean-Louis Vital (2 out of 2 patents)

bronzeMedal Roger Nicol (2 out of 6 patents)

4.  Guido Vezzu (1 out of 8 patents)

5.  Patrick Vion (1 out of 17 patents)

6.  Vincent Savall (1 out of 8 patents)

7.  Christophe Anselme (1 out of 3 patents)

8.  Loic Daniel (1 out of 2 patents)

9.  Hubert Lemmel (1 out of 1 patent)

10.  Abner B Turner (1 out of 1 patent)

11.  Robert Louboutin (1 out of 9 patents)

12.  Jean Bebin (1 out of 1 patent)

13.  Jean-Pierre Hazard (1 out of 1 patent)

14.  Jacques Bernard (1 out of 1 patent)

15.  Jean-Philippe Gibaud (1 out of 1 patent)


11 patents:

1. 8728402 - Ozone generator (2014-05-20),
2. 6277285 - Process for the clarification of liquids and suspensions (2001-08-21),
3. 5368730 - Filtering apparatus (1994-11-29),
4. 5147547 - Oxidation and biological reduction reactor, biofiltration method and (1992-09-15),
5. 5043071 - Method of backwashing tubular filter membranes, and apparatus for (1991-08-27),
6. 4818393 - Apparatus for the anaerobic treatment of waste water (1989-04-04),
7. 4787978 - Method for the purification of waste water, notably of urban waste water (1988-11-29),
8. 4746431 - Device for the collection of water in a granular material bed filter (1988-05-24),
9. 4192742 - Process and apparatus for the biological treatment of waste water (1980-03-11),
10. D247248 - Diffusion plate for oxygenation treatment of sludge or the like (1978-02-14),
11. 3956128 - Apparatus for treating industrial and domestic waste waters (1976-05-11),
Company Overview
Degremont SA, based in Rueil-Malmaison, France, specializes in water treatment solutions, focusing on the design and implementation of advanced technologies for water purification and wastewater management. The company is recognized for its innovative approaches in the environmental sector, providing sustainable solutions that address global water challenges. With a commitment to enhancing water quality and availability, Degremont plays a crucial role in various projects across multiple regions, contributing to the development of efficient water systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#17 in Rueil-Malmaison

#1,584 in France

#51,761 in the World

Rueil-Malmaison, FR
Rueil-Malmaison, France

Degremont Sa

Forward Citations = 196

15 inventors:

goldMedal Jean Durot (3 out of 7 patents)

silverMedal Jean-Louis Vital (2 out of 2 patents)

bronzeMedal Roger Nicol (2 out of 6 patents)

4.  Guido Vezzu (1 out of 8 patents)

5.  Patrick Vion (1 out of 17 patents)

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

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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