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Mulheim/Ruhr, Germany

Kraftwerk Union Aktiengesellschaft

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USPTO Granted Patents = 461

Forward Citations = 4,802

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474 inventors (with patents filed for the assignee):

Hans-Peter Schabert (22 out of 38 patents)

Erich Weghaupt (21 out of 27 patents)

Robert Weber (20 out of 32 patents)

4. Martin Peehs (12 out of 13 patents)

5. Ulrich Schiffers (11 out of 17 patents)

6. Hans-Jurgen Cirkel (11 out of 14 patents)

7. Siegfried Forner (10 out of 11 patents)

8. Wolfgang Dorr (10 out of 10 patents)

9. Willi Bette (9 out of 21 patents)

10. Klaus Gregorius (9 out of 10 patents)

11. Karl Janner (9 out of 9 patents)

12. Rainer Muller (9 out of 9 patents)

13. Anwer Puthawala (8 out of 14 patents)

14. Georg Gugel (8 out of 11 patents)

15. Manfred Scholz (8 out of 12 patents)

Core Competencies:

Nuclear Reactor

Fuel Assembly

High-Energy Laser

Waste Removal

Sintered Fuel

Eddy Current Test

Combustion Chamber

Power Generation

Heat Exchanger

Cooling Tower

Inspection Vehicle

Turbo-machine Blade

461 patents: Sort by Forward Citations

1. 4887275 - High-energy laser system (1989-12-12),

2. 4844857 - Pressurized water reactors (1989-07-04),

3. 4816193 - Method for the manufacture of oxide sintered nuclear fuel bodies (1989-03-28),

4. 4795341 - Method and tunnel furnace for sintering blanks (1989-01-03),

5. 4793779 - Rotating piston compressor having an axially adjustable rotary sleeve (1988-12-27),

6. 4790976 - Device for installing dry PDD lances and for flushing out lance-housing (1988-12-13),

7. 4789518 - Liquid-cooled nuclear reactor especially a boiling-water reactor (1988-12-06),

8. 4788499 - Method and eddy current test probe for the inspection of screws for (1988-11-29),

9. 4783030 - Apparatus for the mechanical decoupling of piping systems (1988-11-08),

10. 4781885 - Nuclear reactor fuel assembly (1988-11-01),

11. 4780273 - Nuclear reactor fuel assembly (1988-10-25),

12. 4779051 - Coupling unit for the operative monitoring of the high-voltage wingings (1988-10-18),

13. 4778277 - Mixing device (1988-10-18),

14. 4775005 - Method and device for the protection of steam generators, especially (1988-10-04),

15. 4774051 - Sintered nuclear fuel compact and method for its production (1988-09-27),

Company Overview

Kraftwerk Union Aktiengesellschaft, headquartered in Mulheim/Ruhr, Germany, specializes in advanced nuclear reactor technology. The company focuses on the development and manufacturing of critical components such as fuel assemblies and combustion chambers, alongside innovative solutions for waste removal and sintered fuel. With expertise in high-energy lasers and eddy current testing, Kraftwerk Union plays a pivotal role in enhancing power generation efficiency and safety within the nuclear energy sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

461 Patents

#1 in Mulheim/Ruhr

#122 in Germany

#2,070 in the World

Mulheim/Ruhr, Germany

Kraftwerk Union Aktiengesellschaft

Forward Citations = 4,802

474 inventors:

Hans-Peter Schabert (22 out of 38 patents)

Erich Weghaupt (21 out of 27 patents)

Robert Weber (20 out of 32 patents)

4. Martin Peehs (12 out of 13 patents)

5. Ulrich Schiffers (11 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kraftwerk Union Aktiengesellschaft. Retrieved from https://idiyas.com/company/kraftwerk-union-ag

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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