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Düsseldorf, Germany

Korf Engineering Gmbh

USPTO Granted Patents = 31

Forward Citations = 240

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20 inventors (with patents filed for the assignee):

Rolf Hauk (15 out of 25 patents)

Gero Papst (8 out of 8 patents)

Werner Leopold Kepplinger (6 out of 30 patents)

4. Bogdan Vuletic (6 out of 15 patents)

5. Klaus Langner (5 out of 5 patents)

6. Michael Nagl (4 out of 7 patents)

7. Horst Sulzbacher (2 out of 9 patents)

8. Markus Hubig (2 out of 3 patents)

9. Waldemar Mathews (2 out of 3 patents)

10. Leopold Seirlehner (2 out of 2 patents)

11. Ludwig Von Bogdandy (1 out of 5 patents)

12. Hans-Jurgen Klingelhofer (1 out of 1 patent)

13. Kurt Stift (1 out of 9 patents)

14. Ralph Weber (1 out of 5 patents)

15. Bernt Rollinger (1 out of 4 patents)

Core Competencies:

Molten Iron

Pig Iron

Steel Pre-Products

Gas Cooling

Sponge Iron

Direct Reduction

Gasifier

Fluidized Bed

Coal Degassing

Plasma Burner

Sulphur Removal

Continuous Casting

31 patents: Sort by Forward Citations

1. 4955587 - Arrangement for recovering molten pig iron or steel pre-products from (1990-09-11),

2. 4895593 - Process of recovering molten pig iron or steel pre-products from lumpy (1990-01-23),

3. 4874037 - Apparatus for cooling a hot product gas (1989-10-17),

4. 4861369 - Process for gaining electric energy in addition to producing molten pig (1989-08-29),

5. 4857284 - Process for removing sulphur from the waste gas of a reduction shaft (1989-08-15),

6. 4857105 - Process for producing pig iron using coal degassing reactor to form (1989-08-15),

7. 4854967 - Process for producing carburized sponge iron (1989-08-08),

8. 4851039 - Process for the production of pig iron using cyclone (1989-07-25),

9. 4850574 - Apparatus for cooling and cleaning producer gas and top gas (1989-07-25),

10. 4846449 - Melting gasifier (1989-07-11),

11. 4806154 - Process for the production of pig iron from fine ore using plasma burner (1989-02-21),

12. 4805880 - Fluidized bed arrangement for the production of molten pig iron and (1989-02-21),

13. 4804319 - Process for compacting iron particles and subsequent breaking apart of (1989-02-14),

14. 4793857 - Process for cooling and cleaning producer gas and top gas (1988-12-27),

15. 4790517 - Apparatus for the direct reduction of sulphurous iron ores (1988-12-13),

Company Overview

Korf Engineering GmbH, based in Düsseldorf, specializes in advanced engineering solutions, focusing on the development and manufacturing of high-precision components and systems. The company operates primarily in the automotive and industrial sectors, leveraging cutting-edge technologies to enhance performance and efficiency. With a commitment to innovation, Korf Engineering collaborates with various partners to deliver tailored solutions that meet the evolving needs of its clients in a competitive global market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

31 Patents

#25 in Düsseldorf

#1,565 in Germany

#21,260 in the World

Düsseldorf, Germany

Korf Engineering Gmbh

Forward Citations = 240

20 inventors:

Rolf Hauk (15 out of 25 patents)

Gero Papst (8 out of 8 patents)

Werner Leopold Kepplinger (6 out of 30 patents)

4. Bogdan Vuletic (6 out of 15 patents)

5. Klaus Langner (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Korf Engineering Gmbh. Retrieved from https://idiyas.com/company/korf-engineering

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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