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Elektro-Thermit Gmbh

USPTO Granted Patents = 23

Forward Citations = 87

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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),

Company Overview

Elektro-Thermit GmbH, based in Essen, Germany, specializes in the development and manufacturing of innovative welding and joining technologies. The company is renowned for its expertise in thermite welding, a process widely used in railway construction and maintenance, as well as in various industrial applications. With a strong focus on research and development, Elektro-Thermit is committed to advancing its technology to enhance efficiency and safety in welding processes, catering to both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

23 Patents

#25 in Essen

#1,984 in Germany

#27,685 in the World

Elektro-Thermit Gmbh

Forward Citations = 87

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Elektro-Thermit Gmbh. Retrieved from https://idiyas.com/company/elektro-thermit

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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