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Stuttgart, Germany

Transformatoren Union Aktiengesellschaft

USPTO Granted Patents = 12

Trademarks = 1

Forward Citations = 68

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18 inventors (with patents filed for the assignee):

Gerhard Altmann (3 out of 4 patents)

Richard Pfeiffer (3 out of 3 patents)

Rudolf Dedelmahr (2 out of 5 patents)

4. Friedrich Alber (2 out of 7 patents)

5. Wolfgang Bendel (2 out of 5 patents)

6. Gottfried Broszat (2 out of 2 patents)

7. Rudolf Link (1 out of 3 patents)

8. Hermann Eyrich (1 out of 2 patents)

9. Klaus Seeliger (1 out of 2 patents)

10. Garhard Altmann (1 out of 1 patent)

11. Max Herzog (1 out of 1 patent)

12. Odilo Schulzer (1 out of 1 patent)

13. Wolfgang Matthes (1 out of 1 patent)

14. Heinz Ubl (1 out of 1 patent)

15. Lothar Brzuska (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 4678927 - Circuit arrangement for large power transformers (1987-07-07),

2. 4540536 - Method of manufacturing transformer windings embedded in casting resin (1985-09-10),

3. 4523171 - Dry-type transformer with windings cast in casting resin (1985-06-11),

4. 4510475 - Disk coil winding of interwound single or double coils (1985-04-09),

5. 4497387 - Transformer with smooth-walled tank (1985-02-05),

6. 4488134 - Transformer with windings completely embedded in cast resin (1984-12-11),

7. 4486730 - Disc coil winding of interwound single or double coils (1984-12-04),

8. 4456899 - Device and method for utilization of heat due to losses in transformers (1984-06-26),

9. 4419647 - Liquid-cooled transformer for large power ratings (1983-12-06),

10. 4390858 - Liquid-cooled transformer for large power ratings (1983-06-28),

11. 4349801 - Single-phase transformer with windings cast in casting resin (1982-09-14),

12. 4236134 - Multiphase transformer for power transmission in a supply system (1980-11-25),

Transformatoren Union Aktiengesellschaft is a leading manufacturer of high-quality transformers and reactors for industrial applications. With over 100 years of experience, we provide customized solutions for power distribution, energy transmission, and renewable energy projects. Our products are known for their reliability, efficiency, and innovation, serving customers worldwide in various industries such as power generation, utilities, and transportation.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

12 Patents

#44 in D-7000 Stuttgart

#3,265 in Germany

#46,630 in the World

Stuttgart, Germany

Transformatoren Union Aktiengesellschaft

Forward Citations = 68

18 inventors:

Gerhard Altmann (3 out of 4 patents)

Richard Pfeiffer (3 out of 3 patents)

Rudolf Dedelmahr (2 out of 5 patents)

4. Friedrich Alber (2 out of 7 patents)

5. Wolfgang Bendel (2 out of 5 patents)

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