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Baden, Switzerland

Asea Brown Boveri Ag

USPTO Granted Patents = 410

Trademarks = 2

Forward Citations = 4,610

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536 inventors (with patents filed for the assignee):

Jakob Keller (14 out of 19 patents)

Hans Wettstein (11 out of 39 patents)

Erhard Friedrich Liebig (10 out of 39 patents)

4. Bernhard Weigand (10 out of 28 patents)

5. Hans Ulrich Frutschi (9 out of 28 patents)

6. Horst Gruning (9 out of 23 patents)

7. Lukas Zehnder (8 out of 19 patents)

8. Alexander Beeck (8 out of 25 patents)

9. Josef Bättig (7 out of 17 patents)

10. Francisco Leonardo Blangetti (7 out of 20 patents)

11. Reinhold Bayerer (7 out of 10 patents)

12. Roger Suter (6 out of 15 patents)

13. Mohamed Youssef Nazmy (6 out of 47 patents)

14. Osvin Gaupp (6 out of 11 patents)

15. Stephan Hepner (6 out of 6 patents)

Core Competencies:

Gas Turbines

Thyristor Technology

Cooling Systems

Combustion Chambers

Power Generation

High-Voltage Installations

Turbomachinery

Thermocouple Measurement

Friction Connections

Recycled CO2 Systems

Electrical Machines

Centrifugal Compressors

410 patents: Sort by Forward Citations

1. 6441407 - Gate controlled thyristor driven with low-inductance (2002-08-27),

2. 6432162 - Process for melting ashes, slags or glass (2002-08-13),

3. 6416281 - Method and arrangement for cooling the flow in radial gaps formed between rotors and stators of turbomachines (2002-07-09),

4. 6390805 - Method of preventing flow instabilities in a burner (2002-05-21),

5. 6385023 - Reclosing apparatus for auxiliary systems (2002-05-07),

6. 6370863 - Method of operating a gas-turbine chamber with gaseous fuel (2002-04-16),

7. 6361835 - Iron aluminide coating and method of applying an iron aluminide coating (2002-03-26),

8. 6345236 - Method for detecting installation and/or calibration errors in a plurality of signal output units of one or more partial-discharge measurement systems (2002-02-05),

9. 6343474 - Cooling passage of a component subjected to high thermal loading (2002-02-05),

10. 6342828 - Resistor which is designed in the form of a column and is resistant to high current in particular a varistor on a metal-oxide base, and method for producing such a resistor (2002-01-29),

11. 6322353 - Ignition appliance for a heat generator (2001-11-27),

12. 6318961 - Axial turbine (2001-11-20),

13. 6312218 - Sealing arrangement (2001-11-06),

14. 6311760 - Method and apparatus for casting directionally solidified article (2001-11-06),

15. 6308511 - Method and device for cooling guide vanes in a gas turbine plant (2001-10-30),

ABB is a leading global technology company that energizes the transformation of society and industry to achieve a more productive, sustainable future. By connecting software to its electrification, robotics, automation, and motion portfolio, ABB pushes the boundaries of technology to drive performance to new levels. With a history of excellence stretching back more than 130 years, ABB operates in more than 100 countries and employs around 147,000 people.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

410 Patents

#5 in Baden

#39 in Switzerland

#2,223 in the World

Baden, Switzerland

Asea Brown Boveri Ag

Forward Citations = 4,610

536 inventors:

Jakob Keller (14 out of 19 patents)

Hans Wettstein (11 out of 39 patents)

Erhard Friedrich Liebig (10 out of 39 patents)

4. Bernhard Weigand (10 out of 28 patents)

5. Hans Ulrich Frutschi (9 out of 28 patents)

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