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Voest-Alpine Aktiengesellschaft

USPTO Granted Patents = 333

Trademarks = 5

Forward Citations = 1,948

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343 inventors (with patents filed for the assignee):

Alfred J Zitz (27 out of 64 patents)

Werner Scheurecker (25 out of 41 patents)

Herwig Wrulich (22 out of 29 patents)

4. Ernst Riegler (21 out of 29 patents)

5. Otto Schetina (17 out of 23 patents)

6. Ernst Zajicek (13 out of 15 patents)

7. Walter Lugscheider (12 out of 17 patents)

8. Felix Wallner (8 out of 25 patents)

9. Bernhard Enkner (8 out of 12 patents)

10. Manfred Schmidt (8 out of 13 patents)

11. Alois Scheinecker (8 out of 15 patents)

12. Franz Hirschmanner (8 out of 8 patents)

13. Alois Janusch (8 out of 9 patents)

14. Reinhard Hargassner (7 out of 12 patents)

15. Wilfried Maier (7 out of 7 patents)

Core Competencies:

Gasification

Electric Furnace

Steel Production

Metallurgical Plant

Plasma Etching

Cement Clinker

Material Exploitation

Hot Gas Sampling

Scrap Preheating

Cutting Machine

Mining Machine

Ethanol Recovery

333 patents: Sort by Forward Citations

1. 4960439 - Arrangement for gasifying fuels (1990-10-02),

2. 4941890 - Process for gasifying fuels (1990-07-17),

3. 4936519 - Internal lining for ball mills (1990-06-26),

4. 4913742 - Process of making cement clinker and apparatus for performing said (1990-04-03),

5. 4913733 - Process for producing pig iron (1990-04-03),

6. D306898 - Hand-wheel for a valve (1990-03-27),

7. 4889323 - Mill arrangement with primary gas mixing means (1989-12-26),

8. 4884848 - Device and method for exploiting material (1989-12-05),

9. 4880489 - Apparatus for plasma etching circuit boards or the like (1989-11-14),

10. 4878761 - Device for detecting excessively heated wheel bearings and/or wheel tires (1989-11-07),

11. 4878714 - Cutting machine for cutting and carrying away material from a work face (1989-11-07),

12. 4874037 - Apparatus for cooling a hot product gas (1989-10-17),

13. 4867787 - Mill arrangement with temporary storage vessel and a process of (1989-09-19),

14. 4866731 - Electric furnace arrangement (1989-09-12),

15. 4860978 - Control mechanism for railway switches (1989-08-29),

Voest-Alpine Aktiengesellschaft, headquartered in Linz, Austria, is a leading player in metallurgical processes, specializing in innovative technologies for steel production and material exploitation. The company focuses on advanced methods such as gasification and electric furnace technology, contributing to efficient metallurgical plant operations. Additionally, Voest-Alpine is involved in plasma etching and hot gas sampling, enhancing its capabilities in cement clinker production and other metallurgical applications, thereby supporting sustainable industrial practices.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Voest-Alpine Aktiengesellschaft

333 Patents

#1 in Linz

#7 in Austria

#2,708 in the World

Voest-Alpine Aktiengesellschaft

Forward Citations = 1,948

343 inventors:

Alfred J Zitz (27 out of 64 patents)

Werner Scheurecker (25 out of 41 patents)

Herwig Wrulich (22 out of 29 patents)

4. Ernst Riegler (21 out of 29 patents)

5. Otto Schetina (17 out of 23 patents)

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