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Baden, Switzerland

Alstom (Switzerland) Ltd

USPTO Granted Patents = 167

% Expired Patents = 16.2

CIPO Patents = 2

Trademarks = 3

Forward Citations = 2,208

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239 inventors (with patents filed for the assignee):

Erhard Friedrich Liebig (13 out of 39 patents)

Bernhard Weigand (10 out of 28 patents)

Alexander Beeck (9 out of 25 patents)

4. Timothy Albert Griffin (8 out of 41 patents)

5. Christian Oliver Paschereit (7 out of 38 patents)

6. John Fernihough (7 out of 23 patents)

7. Alexander Ralph Beeck (6 out of 35 patents)

8. Adnan Eroglu (6 out of 78 patents)

9. Reinhard Fried (6 out of 33 patents)

10. Klaus Semmler (5 out of 8 patents)

11. Beat Von Arx (4 out of 20 patents)

12. Maxim Konter (4 out of 33 patents)

13. Stefan Rofka (4 out of 16 patents)

14. Rudolf Kellerer (4 out of 8 patents)

15. Juergen Gerhard Hoffmann (4 out of 17 patents)

Core Competencies:

Gas Turbine

Cooling Method

Burner Arrangement

Efficiency Improvement

Rotor Seal

Flue Gas Cleaning

Thermal Barrier Coating

Steam Generator

Catalytic Combustion

High-Temperature Alloy

Non-Destructive Testing

Air Preheater

167 patents: Sort by Forward Citations

1. 7152537 - Fluidized bed boiler furnace comprising two hearths separated by an inside leg area (2006-12-26),

2. 7143573 - Gas turbine set (2006-12-05),

3. 7056083 - Impingement cooling of gas turbine blades or vanes (2006-06-06),

4. 7052233 - Base material with cooling air hole (2006-05-30),

5. 7010987 - Non-destructive method of detecting defects in braze-repaired cracks (2006-03-14),

6. 7008217 - Safety device for boiler comprising a time delay protected by an electronic circuit (2006-03-07),

7. 6938780 - Centrifugal separator in particular for fluidized bed reactor device (2005-09-06),

8. 6912962 - Apparatus for the cleaning of flue gases containing sulfur dioxide (2005-07-05),

9. 6860484 - Rotor seal with folding strip (2005-03-01),

10. 6817188 - Method for operating a premix burner (2004-11-16),

11. 6817187 - Re-fired gas turbine engine (2004-11-16),

12. 6815957 - Method and device for inspecting laminated iron cores of electrical machines for interlamination shorts (2004-11-09),

13. 6802695 - Turbines and their components (2004-10-12),

14. 6779492 - Circulating fluidized bed reactor device (2004-08-24),

15. 6744167 - Rotor of a turbogenerator (2004-06-01),

Company Overview

Alstom (Switzerland) Ltd, based in Baden, specializes in advanced gas turbine technology, focusing on enhancing efficiency and performance in energy generation. The company is engaged in the development of innovative solutions such as advanced cooling methods, optimized burner arrangements, and effective flue gas cleaning systems. Their expertise extends to thermal barrier coatings and rotor seal technologies, contributing to the evolution of steam generators and overall energy efficiency in the power sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

167 Patents

#9 in Baden

#112 in Switzerland

#4,949 in the World

Baden, Switzerland

Alstom (Switzerland) Ltd

Forward Citations = 2,208

239 inventors:

Erhard Friedrich Liebig (13 out of 39 patents)

Bernhard Weigand (10 out of 28 patents)

Alexander Beeck (9 out of 25 patents)

4. Timothy Albert Griffin (8 out of 41 patents)

5. Christian Oliver Paschereit (7 out of 38 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alstom (Switzerland) Ltd. Retrieved from https://idiyas.com/company/alstom-switzerland

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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