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Luxembourg, Luxembourg

Paul Wurth S.a.

USPTO Granted Patents = 309

CIPO Patents = 13

EPO Patents = 139

Trademarks = 12

Forward Citations = 1,696

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235 inventors (with patents filed for the assignee):

Emile Lonardi (110 out of 118 patents)

Pierre H Mailliet (56 out of 67 patents)

Guy Thillen (34 out of 35 patents)

4. Edouard Legille (28 out of 45 patents)

5. Paul Tockert (25 out of 27 patents)

6. Giovanni Cimenti (23 out of 24 patents)

7. Leon Ulveling (20 out of 22 patents)

8. Victor Kremer (19 out of 20 patents)

9. Jean-Luc Roth (17 out of 18 patents)

10. Jeannot Loutsch (16 out of 17 patents)

11. Lionel Hausemer (15 out of 15 patents)

12. Marc Solvi (15 out of 18 patents)

13. Hubert Stomp (15 out of 18 patents)

14. Radomir Andonov (15 out of 16 patents)

15. Patrick Hutmacher (14 out of 15 patents)

Core Competencies:

Condition Monitoring

Metallurgical Furnace

Sinter Plant

Charging Installation

Cooling Plate

Blast Furnace

Bulk Material Handling

Refractory Lining

Granulation of Slag

Optical Monitoring System

Heat Protection Assembly

Rotary Charging Device

309 patents: Sort by Forward Citations

1. 12492866 - Grate bar for a pelletizing or sintering machine (2025-12-09),

2. 12475550 - Travelling grate condition monitoring (2025-11-18),

3. 12351883 - Cooling plate for a metallurgical furnace (2025-07-08),

4. 12312550 - Method for providing raw material for an industrial process (2025-05-27),

5. 12276458 - Method for maintenance of a cooling assembly for a metallurgical furnace (2025-04-14),

6. 12235047 - Method for protecting an inner wall of a shaft furnace (2025-02-25),

7. 12071675 - Shaft furnace condition monitoring (2024-08-27),

8. 12050058 - Induration machine (2024-07-30),

9. 11591662 - Method for operating a metallurgical furnace (2023-02-28),

10. 11549754 - Method for fitting or retrofitting a sinter cooler (2023-01-10),

11. 11549159 - Method of operating a sinter plant (2023-01-10),

12. 11542565 - Charging system, in particular for a shaft smelt reduction furnace (2023-01-03),

13. 11535904 - Cooling box for a shaft furnace (2022-12-27),

14. 11505840 - Cooling plate for metallurgical furnace (2022-11-22),

15. 11498081 - Drying hopper as well as grinding and drying plant comprising such (2022-11-15),

Paul Wurth is a leading global engineering company specializing in the design and supply of technologies and equipment for the steel industry. With over 150 years of experience, Paul Wurth offers innovative solutions for ironmaking, recycling, environmental protection, and more. Through their cutting-edge technologies and commitment to sustainability, they help their clients achieve operational excellence and reduce their environmental impact. Visit their website to learn more about Paul Wurth and their comprehensive range of products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

309 Patents

#3 in Luxembourg

#3 in Luxembourg

#2,816 in the World

Luxembourg, Luxembourg

Paul Wurth S.a.

Forward Citations = 1,696

235 inventors:

Emile Lonardi (110 out of 118 patents)

Pierre H Mailliet (56 out of 67 patents)

Guy Thillen (34 out of 35 patents)

4. Edouard Legille (28 out of 45 patents)

5. Paul Tockert (25 out of 27 patents)

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