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For the Inventor, By the Inventor

Paris, France

Patrice Chatellier

This inventor holds 4 USPTO granted patents. Top assignee: Suez Lyonnaise Des Eaux. Active years: 2001-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Patrice Chatellier. Retrieved from https://idiyas.com/inventor/patrice-chatellier

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 75.0

Average Co-Inventor Count = 2.3

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:

goldMedal4 out of 10 
 
Suez Lyonnaise Des Eaux
 patents

Years Active: 2001-2003

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4 patents (USPTO):Explore Patents
1. 6589428 - Waste water treatment using activated sludge process (2003-07-08),
2. 6375845 - Method for evaluating and controlling the biomass contained in waste water treatment biological tanks (2002-04-23),
3. 6309548 - Method for controlling and managing the biomass store of biological installations treating waste water (2001-10-30),
4. 6290850 - Method for controlling aeration systems of biological tanks treating waste water (2001-09-18),

Title: The Innovative Contributions of Patrice Chatellier

Introduction

Patrice Chatellier is a notable inventor based in Paris, France. He has made significant contributions to the field of wastewater treatment, holding a total of 4 patents. His work focuses on improving processes that enhance the efficiency and effectiveness of wastewater management.

Latest Patents

Among his latest patents is a method for wastewater treatment using the activated sludge process. This innovative process involves controlling the retention time of sludge undergoing clarification. It includes a recirculation of activated sludge from the clarification stage back into the biological basins. The method is characterized by varying the rate of sludge recirculation to maintain a constant recirculated sludge concentration while ensuring a retention time of the sludge undergoing clarification remains below a critical value.

Another significant patent by Chatellier is a method for evaluating and controlling the biomass contained in biological tanks used for wastewater treatment. This method utilizes the on/off sequences of an aeration system in treatment basins. The sequences are dictated by the operational requirements of the treatment process, allowing for the estimation of biomass respiration during non-aeration phases. The method involves determining the change in dissolved oxygen concentration and calculating the respiratory capacity of the purifying biomass.

Career Highlights

Patrice Chatellier is currently employed at Suez Lyonnaise Des Eaux, a leading company in water and wastewater management. His work at this organization has allowed him to apply his innovative ideas and contribute to advancements in environmental technology.

Collaborations

Throughout his career, Chatellier has collaborated with notable colleagues, including Philippe Caulet and Bruno Bujon. These collaborations have further enriched his work and expanded the impact of his inventions.

Conclusion

Patrice Chatellier's contributions to wastewater treatment through his innovative patents demonstrate his commitment to improving environmental sustainability. His work continues to influence the field and inspire future advancements in wastewater management.

Profile summary based on public USPTO records.
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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