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Didier Engineering Gmbh

USPTO Granted Patents = 106

Forward Citations = 901

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93 inventors (with patents filed for the assignee):

Claus Flockenhaus (36 out of 38 patents)

Dietrich Wagener (24 out of 25 patents)

Joachim F Meckel (18 out of 20 patents)

4. Manfred Galow (17 out of 20 patents)

5. Erich Hackler (17 out of 17 patents)

6. Hartmut Kainer (12 out of 23 patents)

7. Daniel Grimm (11 out of 32 patents)

8. Manfred Blase (10 out of 13 patents)

9. Karl H Laue (9 out of 10 patents)

10. Horst Fach (7 out of 8 patents)

11. Horst G Joseph (7 out of 7 patents)

12. Theo Sander (7 out of 7 patents)

13. Klaus Merkel (6 out of 6 patents)

14. Wolfgang Rohde (6 out of 20 patents)

15. Blagoje Levkov (6 out of 9 patents)

Core Competencies:

Nitrogen Oxide Reduction

Coke Production

Catalytic Elements

Exhaust Gas Cleaning

Furnace Design

Coal Tar Pitch

Coke Oven Technology

Gas Treatment

Heat Recovery

Catalyst Manufacturing

Gas Quenching

Thermal Treatment

106 patents: Sort by Forward Citations

1. 5128021 - Pitch from coal tar pitch, method of its production, as well as (1992-07-07),

2. 4950473 - Method for reducing nitrogen oxides in flue gas (1990-08-21),

3. 4935392 - Process for the manufacture of catalyst members for the reduction of (1990-06-19),

4. 4914073 - Process for the manufacture of catalytic elements and catalytic elements (1990-04-03),

5. 4895821 - Process for the manufacture of catalytic elements and catalytic elements (1990-01-23),

6. 4828806 - Process for cleaning an exhaust gas (1989-05-09),

7. 4771026 - Catalyst in the form of a plate for nitrogen oxide reduction in exhaust (1988-09-13),

8. 4751212 - Process for the manufacture of a catalyst for the reduction of nitrogen (1988-06-14),

9. 4746483 - Process for the manufacture of catalyst molding (1988-05-24),

10. 4734165 - Method for the production of coke (1988-03-29),

11. 4721699 - Catalyst for the separation of nitrogen oxides from combustion exhaust (1988-01-26),

12. 4720376 - Process for the removal of nitrogen oxides and soot from exhaust gases (1988-01-19),

13. 4695559 - Catalyst for the selective reduction of nitrogen oxides in waste gases (1987-09-22),

14. 4672052 - Catalyst for removal of nitrogen oxides from exhaust gases (1987-06-09),

15. 4629418 - Process and furnace for reheating metallic objects (1986-12-16),

Didier Engineering GmbH is a leading engineering company that specializes in providing innovative solutions for the energy sector. With our team of experienced engineers and cutting-edge technologies, we are committed to delivering high-quality projects that meet the unique requirements of our clients. Our expertise ranges from renewable energy systems to power plant engineering and industrial automation. Visit our website to learn more about our services and explore our impressive portfolio.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

106 Patents

#11 in Essen

#557 in Germany

#7,383 in the World

Didier Engineering Gmbh

Forward Citations = 901

93 inventors:

Claus Flockenhaus (36 out of 38 patents)

Dietrich Wagener (24 out of 25 patents)

Joachim F Meckel (18 out of 20 patents)

4. Manfred Galow (17 out of 20 patents)

5. Erich Hackler (17 out of 17 patents)

Please report any incorrect information to [email protected]

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