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Elektro-thermit Gmbh

USPTO Granted Patents = 23

Forward Citations = 86

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21 inventors (with patents filed for the assignee):

Michael Steinhorst (7 out of 12 patents)

Frank Kuster (5 out of 5 patents)

Hans Guntermann (5 out of 6 patents)

4. Gerhardus Johannes Mulder (4 out of 4 patents)

5. Bernd-Joachim Kempa (4 out of 5 patents)

6. Gerhard Skreba (3 out of 3 patents)

7. Horst Eggert (2 out of 7 patents)

8. Gerhard Arndt (2 out of 2 patents)

9. Wilfried Moring (2 out of 2 patents)

10. Georg Frommeyer (1 out of 10 patents)

11. Donald MacRae (1 out of 1 patent)

12. Manfred Ruhle (1 out of 3 patents)

13. Johann-Hugo Wirtz (1 out of 1 patent)

14. Rolf Koring (1 out of 1 patent)

15. Michael Bohsmann (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 6227282 - Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region (2001-05-08),

2. 6125913 - Process for the aluminothermic welding of rails with alloying of the (2000-10-03),

3. 6120726 - Automatic tapping thimble (2000-09-19),

4. 5944914 - Aluminothermic mixture with ferrochromium alloy (1999-08-31),

5. 5850962 - Casting mold for fusion welding of two workpieces (1998-12-22),

6. 5753006 - Method for the aluminothermal production of molten steel (1998-05-19),

7. 5705126 - Friction bearing alloy (1998-01-06),

8. 5531259 - Method for intermediate cast type welding of finely pearlitized rails (1996-07-02),

9. 5486245 - Method for raising welded rail connections lying below the traveling (1996-01-23),

10. 5370726 - Metallothermal reaction mixture (1994-12-06),

11. 5078200 - Method of cast-welding between finely pearlitized rails (1992-01-07),

12. 5031365 - Method and apparatus for grinding the running and/or guide surfaces of (1991-07-16),

13. 4830611 - Process for welding a railway rail, aluminothermic heating blocks for (1989-05-16),

14. 4634087 - Grooved rail switch with a tongue rail device (1987-01-06),

15. 4589617 - Frog for switches (1986-05-20),

Elektro-thermit GmbH is a leading manufacturer of electrical heating systems for industrial applications. With over 50 years of experience, we provide high-quality solutions for heating and melting metals. Our products are known for their reliability, efficiency, and precision, and we offer customized solutions to meet the specific needs of our customers. Our team of experts is dedicated to delivering top-notch service and support to ensure customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

23 Patents

#25 in Essen

#2,005 in Germany

#26,824 in the World

Elektro-thermit Gmbh

Forward Citations = 86

21 inventors:

Michael Steinhorst (7 out of 12 patents)

Frank Kuster (5 out of 5 patents)

Hans Guntermann (5 out of 6 patents)

4. Gerhardus Johannes Mulder (4 out of 4 patents)

5. Bernd-Joachim Kempa (4 out of 5 patents)

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