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Luxembourg, undefined

S.a. Des Anciens Etablissements Paul Wurth

USPTO Granted Patents = 25

Forward Citations = 300

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12 inventors (with patents filed for the assignee):

Rene N Mahr (12 out of 17 patents)

Edouard Legille (12 out of 45 patents)

Pierre H Mailliet (6 out of 67 patents)

4. Ernest P Kuntziger (3 out of 3 patents)

5. Jean Metz (1 out of 16 patents)

6. Gerd Eifer (1 out of 1 patent)

7. Pierre Mailliet (1 out of 1 patent)

8. Rene N Mahr (1 out of 1 patent)

9. Aloyse J Engel (1 out of 1 patent)

10. Gerd Eifer (1 out of 1 patent)

11. Giovanni Cimenti (1 out of 1 patent)

12. Carlo Heinz (1 out of 3 patents)

25 patents: Sort by Forward Citations

1. 4162784 - Pressure equalization apparatus and method (1979-07-31),

2. 4158367 - Valve system and improved actuator therefor (1979-06-19),

3. 4157816 - Shaft furnace cooling (1979-06-12),

4. 4153140 - Lubrication technique and apparatus (1979-05-08),

5. 4152243 - Treatment of bituminous schists (1979-05-01),

6. 4151047 - Feed installation for apparatus for extracting hydrocarbons from (1979-04-24),

7. 4145033 - Hot blast stove and method of operation (1979-03-20),

8. 4144902 - Isolation valve (1979-03-20),

9. 4135705 - Taphole sealing apparatus (1979-01-23),

10. 4094494 - Furnace charge profile measuring process and apparatus (1978-06-13),

11. 4074835 - Furnace charger with discharge channel having approximate oval (1978-02-21),

12. 4074816 - Charge metering apparatus for shaft furnaces (1978-02-21),

13. 4071166 - Blast furnace charging method and apparatus (1978-01-31),

14. 4063722 - Ejector piston (1977-12-20),

15. 4061036 - Device for the extraction of gaseous samples and for thermal measurement (1977-12-06),

S.a. Des Anciens Etablissements Paul Wurth is a Luxembourg-based engineering company that specializes in the design and supply of equipment and systems for the iron and steel industry. With over 150 years of experience, Paul Wurth has become a global leader in its field, offering innovative solutions for blast furnaces, coke ovens, and other steelmaking processes. The company is dedicated to sustainability and energy efficiency, constantly striving to reduce environmental impact in steel production.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

25 Patents

#1 in Luxembourg

#1 in L

#24,910 in the World

Luxembourg, undefined

S.a. Des Anciens Etablissements Paul Wurth

Forward Citations = 300

12 inventors:

Rene N Mahr (12 out of 17 patents)

Edouard Legille (12 out of 45 patents)

Pierre H Mailliet (6 out of 67 patents)

4. Ernest P Kuntziger (3 out of 3 patents)

5. Jean Metz (1 out of 16 patents)

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