logo

For the Inventor, By the Inventor

Wiesbaden, Germany

Didier-Werke Ag


USPTO Granted Patents = 203

% Expired Patents = 0.49

Trademarks = 10

Forward Citations = 1,060

Loading Chart...
Loading Chart...

225 inventors (with patents filed for the assignee):

goldMedal Raimund Bruckner (35 out of 37 patents)

silverMedal Daniel Grimm (30 out of 32 patents)

bronzeMedal Ernst Luhrsen (27 out of 27 patents)

4.  Hans Rothfuss (24 out of 26 patents)

5.  Hartmut Kainer (23 out of 23 patents)

6.  Manfred Winkelmann (16 out of 17 patents)

7.  Ullrich Hintzen (16 out of 16 patents)

8.  Claus Flockenhaus (13 out of 38 patents)

9.  Hermann Stein (12 out of 13 patents)

10.  Udo Muschner (11 out of 13 patents)

11.  Axel Eschner (11 out of 11 patents)

12.  Jose Gimpera (9 out of 9 patents)

13.  Blagoje Levkov (9 out of 9 patents)

14.  Steve Lee (8 out of 9 patents)

15.  Herbert Metzger (7 out of 7 patents)


Core Competencies:
Refractory Materials
Ceramic Composites
Inductive Heating
Metallurgical Vessels
Ceramic Filters
Gas Injection
Shutoff Assembly
Wearable Refractory Parts
Tapping Devices
Furnace Linings
Refractory Bricks
Casting Processes

203 patents:

1. 6533994 - Alkaline, refractory ceramic hollow item (2003-03-18),
2. 6487980 - Refractory ceramic plate and accompanying wall structure for an incinerator (2002-12-03),
3. 6479175 - Ceramic composite (2002-11-12),
4. 6409056 - Refractory product (2002-06-25),
5. 6352951 - Refractory material based on chromium corundum, a chromium corundum brick and the use of said brick (2002-03-05),
6. 6279915 - Refractory channel with outer insulation and method for joint packing (2001-08-28),
7. 6226314 - Assembly of a tapping device and a cooled inductor (2001-05-01),
8. 6210629 - Method and device for discontinuous parting off of molten mass (2001-04-03),
9. 6156446 - Ceramic composite structure and process for the production thereof (2000-12-05),
10. 6148903 - Method for the inductive heating of a refractory mold part as well as (2000-11-21),
11. 6092701 - Fireproof plate and a clamping device for a sliding gate at the outlet (2000-07-25),
12. 6072166 - Method of operating an inductor (2000-06-06),
13. 6052403 - Inductor in a fusion tank (2000-04-18),
14. 6051822 - Method of operating an inductor (2000-04-18),
15. 6043472 - Assembly of tapping device and inductor therefor (2000-03-28),
Company Overview
Didier-Werke AG, based in Wiesbaden, Germany, specializes in the development and manufacturing of advanced refractory materials. The company focuses on innovative solutions in ceramic composites, which are essential for high-temperature applications. Their expertise extends to inductive heating technologies, metallurgical vessels, and ceramic filters, catering to industries that require robust thermal management. Didier-Werke AG is committed to enhancing performance through engineered solutions, including gas injection systems and wearable refractory components.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

203 Patents

#2 in

#291 in Germany

#4,176 in the World

Wiesbaden, DE
Wiesbaden, Germany

Didier-Werke Ag

Forward Citations = 1,060

225 inventors:

goldMedal Raimund Bruckner (35 out of 37 patents)

silverMedal Daniel Grimm (30 out of 32 patents)

bronzeMedal Ernst Luhrsen (27 out of 27 patents)

4.  Hans Rothfuss (24 out of 26 patents)

5.  Hartmut Kainer (23 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Didier-Werke Ag. Retrieved from https://idiyas.com/company/didier-werke-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]
Loading…