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Suresnes, France

Saint-Gobain Placo

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USPTO Granted Patents = 50

% Expired Patents = 16.0

CIPO Patents = 8

EPO Patents = 79

Trademarks = 1

Forward Citations = 55

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107 inventors (with patents filed for the assignee):

Caroline Demathieu-Roeltgen (7 out of 7 patents)

Katarzyna Chuda (7 out of 20 patents)

Laura Brooks (6 out of 10 patents)

4. Jan Rideout (6 out of 11 patents)

5. Robin Daniel Fisher (5 out of 15 patents)

6. Hamouda Jaffel (4 out of 6 patents)

7. Yann Dion (3 out of 3 patents)

8. Marion Chenal (3 out of 4 patents)

9. Hao Song (3 out of 3 patents)

10. Sylvain Berger (3 out of 8 patents)

11. Maud Sarrant-Foresti (3 out of 5 patents)

12. Pierre Leroy (3 out of 3 patents)

13. Véronique Chopin (2 out of 2 patents)

14. Jean-Pierre Douche (2 out of 18 patents)

15. Xiaotong Gao (2 out of 4 patents)

Core Competencies:

Gypsum Products

Acoustic Insulation

Fire Resistant Materials

Construction Panels

Plasterboard

Mineral Wool

Demountable Walls

Fluidizing Compounds

Plaster Slurry

Building Systems

Manufacturing Processes

Chemical Additives

50 patents: Sort by Forward Citations

1. 12722327 - Mixer (2026-09-01),

2. 12680302 - Structural component for supporting construction panels and a wall comprising the same (2026-07-14),

3. 12529613 - Instrument for measuring the force for spreading a paste (2026-01-20),

4. 12521907 - Apparatus and method for the production of a plaster slurry (2026-01-13),

5. 12503850 - Demountable wall partition system (2025-12-23),

6. 12503395 - Fluidizing compounds for hydraulic compositions (2025-12-23),

7. 12398075 - Wet accelerator, a method of preparing a wet accelerator and a method of producing a gypsum product (2025-08-26),

8. 12180116 - Alkyl sulfate / alkyl ether sulfate gypsum foamer (2024-12-31),

9. 12098097 - Method of preparing a gypsum-based product (2024-09-24),

10. 11981378 - Automated device for building boards (2024-05-14),

11. 11970854 - Partition comprising boards mounted onto upright elongate members and method for constructing the same (2024-04-30),

12. 11927009 - Corrugated construction element (2024-03-12),

13. 11865654 - Method for tightening a screw for fastening a construction panel to a support (2024-01-09),

14. 11814836 - Acoustic insulation product comprising a backing layer (2023-11-14),

15. 11788285 - Rail for suspended ceiling comprising expansion absorbers (2023-10-17),

Company Overview

Saint-Gobain Placo, headquartered in Suresnes, France, specializes in the development and manufacturing of innovative gypsum products. The company focuses on a range of core technology areas, including acoustic insulation, fire-resistant materials, and construction panels. Placo's expertise extends to plasterboard, mineral wool, and demountable walls, providing solutions that enhance building performance and sustainability. With a commitment to quality and innovation, Saint-Gobain Placo serves diverse construction needs across various markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

50 Patents

#4 in

#477 in

#14,028 in the World

Suresnes, France

Saint-Gobain Placo

Forward Citations = 55

107 inventors:

Caroline Demathieu-Roeltgen (7 out of 7 patents)

Katarzyna Chuda (7 out of 20 patents)

Laura Brooks (6 out of 10 patents)

4. Jan Rideout (6 out of 11 patents)

5. Robin Daniel Fisher (5 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Saint-Gobain Placo. Retrieved from https://idiyas.com/company/saint-gobain-placo

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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