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Wiesbaden, Germany

Didier-werke Ag

USPTO Granted Patents = 203

Trademarks = 10

Forward Citations = 1,056

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225 inventors (with patents filed for the assignee):

Raimund Bruckner (34 out of 37 patents)

Daniel Grimm (30 out of 32 patents)

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

Tapping Devices

Immersion Nozzles

Gas Injection Devices

Refractory Fiber Structures

Ceramic Sealing Plates

Furnace Linings

Wear Body Assemblies

Casting Processes

203 patents: Sort by Forward Citations

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),

Didier-Werke AG is a leading construction materials company specializing in the production of high-quality concrete products. With over 50 years of industry experience, we are known for our commitment to innovation, quality, and sustainability. Our product portfolio includes precast concrete elements, concrete pipes, aggregates, and ready-mix concrete. We serve a wide range of sectors, including construction, infrastructure, and civil engineering. Our dedication to customer satisfaction and our ability to deliver customized solutions have made us a trusted partner in the construction industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

203 Patents

#3 in

#323 in Germany

#4,047 in the World

Wiesbaden, Germany

Didier-werke Ag

Forward Citations = 1,056

225 inventors:

Raimund Bruckner (34 out of 37 patents)

Daniel Grimm (30 out of 32 patents)

Ernst Luhrsen (27 out of 27 patents)

4. Hans Rothfuss (24 out of 26 patents)

5. Hartmut Kainer (23 out of 23 patents)

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