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Krupp Widia Gmbh

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USPTO Granted Patents = 16

Forward Citations = 253

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16 inventors (with patents filed for the assignee):

Rainer Von Haas (6 out of 22 patents)

Robert Alfred Erickson (5 out of 74 patents)

Hans Kolaska (4 out of 7 patents)

4. Klaus Dreyer (2 out of 13 patents)

5. Gunter Ruther (2 out of 2 patents)

6. Norbert Reiter (2 out of 14 patents)

7. Hans W Tack (2 out of 2 patents)

8. Hendrikus Van Den Berg (1 out of 18 patents)

9. Peter Ettmayer (1 out of 15 patents)

10. Ralf Tabersky (1 out of 12 patents)

11. Dieter Kassel (1 out of 4 patents)

12. Udo Konig (1 out of 17 patents)

13. Willi Jester (1 out of 7 patents)

14. Alfons Lomberg (1 out of 3 patents)

15. Manfred Wegener (1 out of 3 patents)

16 patents: Sort by Forward Citations

1. 5354156 - Drilling tool (1994-10-11),

2. 5352533 - Ceramic composite body, process for producing a ceramic composite (1994-10-04),

3. 5223020 - Hard-metal body (1993-06-29),

4. 5173328 - Plasma CVD process for coating a basic metallic body with a (1992-12-22),

5. 5173107 - Composite hard metal body and process for its production (1992-12-22),

6. 5065492 - Method of and assembly for releasably connecting a tool head to a tool (1991-11-19),

7. 4981057 - Clamping device for connecting a tool head to a tool holder of a machine (1991-01-01),

8. 4958968 - Adapter for machine-tool spindle (1990-09-25),

9. 4951578 - Tool-mounting assembly (1990-08-28),

10. 4944800 - Process for producing a sintered hard metal body and sintered hard metal (1990-07-31),

11. 4909720 - Extrusion molding tool (1990-03-20),

12. 4836068 - Lock rod and apparatus for holding a toolholder (1989-06-06),

13. 4747735 - Toolholder and method of releasably mounting (1988-05-31),

14. 4736659 - Apparatus for holding a toolholder shank (1988-04-12),

15. 4726268 - Clamping apparatus for holding a toolholder shank (1988-02-23),

Company Overview

Krupp Widia GmbH, based in Essen, Germany, specializes in the development and manufacturing of cutting tools and precision components for various industrial applications. The company focuses on providing innovative solutions that enhance productivity and efficiency in machining processes. With a strong emphasis on research and technology, Krupp Widia is dedicated to advancing the field of metalworking and supporting industries such as automotive, aerospace, and general engineering through high-performance tooling solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

16 Patents

#34 in Essen

#2,625 in Germany

#37,881 in the World

Krupp Widia Gmbh

Forward Citations = 253

16 inventors:

Rainer Von Haas (6 out of 22 patents)

Robert Alfred Erickson (5 out of 74 patents)

Hans Kolaska (4 out of 7 patents)

4. Klaus Dreyer (2 out of 13 patents)

5. Gunter Ruther (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Krupp Widia Gmbh. Retrieved from https://idiyas.com/company/krupp-widia

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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