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Cologne, Germany

Deutz Aktiengesellschaft

USPTO Granted Patents = 74

% Expired Patents = 20.3

EPO Patents = 70

Trademarks = 14

Forward Citations = 100

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117 inventors (with patents filed for the assignee):

Marco Sliwa (10 out of 10 patents)

Johannes Klosterberg (8 out of 8 patents)

Meike Wittrock (6 out of 6 patents)

4. Rolf Miebach (5 out of 5 patents)

5. Peter Broll (4 out of 4 patents)

6. Joachim Joisten-Pieritz (4 out of 4 patents)

7. Gerald Leyh (4 out of 4 patents)

8. Stephan Schraml (4 out of 4 patents)

9. Thomas Werner (4 out of 4 patents)

10. Klaus-Peter Bark (3 out of 3 patents)

11. Marco Jung (3 out of 3 patents)

12. Paul Schwabauer (3 out of 3 patents)

13. Ulf Klein (3 out of 6 patents)

14. Manfred Breitenberger (3 out of 6 patents)

15. Tobias Kurt (3 out of 3 patents)

Core Competencies:

Exhaust Gas Recirculation

Cylinder Head

Nitrogen Oxide Reduction

Diesel Particulate Filter

Oil Supply

Cooling System

Fuel Injection

Particulate Filter

Hybrid Technology

Engine Cooling

Crankcase

SCR Catalytic Converter

74 patents: Sort by Forward Citations

1. 12722520 - Fast-charging station and method for charging electrically operated land vehicles, watercraft, aircraft and/or work machines and/or batteries (2026-09-01),

2. 12655782 - Mixer arrangement for mixing an injection medium with the exhaust gas of an internal combustion engine (2026-06-16),

3. 12618350 - Mixer arrangement for mixing an injection medium injectable by an injector with the exhaust gas of an internal combustion engine (2026-05-05),

4. 12503987 - Cylinder head for an internal combustion engine with an exhaust aftertreatment arrangement and an internal combustion engine with such a cylinder head (2025-12-23),

5. 12460599 - Crankcase and internal combustion engine with such a crankcase (2025-11-04),

6. 12448910 - Mixer arrangement for mixing an injection medium injectable by an injector with the exhaust gas of an internal combustion engine (2025-10-21),

7. 12442351 - Cylinder head for an internal combustion engine and an internal combustion engine with such a cylinder head (2025-10-14),

8. 12416275 - Cylinder head for an internal combustion engine with a combustion chamber and the use of a sealing sleeve to seal off a cylinder head (2025-09-16),

9. 12404819 - Internal combustion engine (2025-09-02),

10. 12320282 - Cylinder head (2025-06-03),

11. 12305563 - Crankcase with inner and outer coolant jacket (2025-05-20),

12. 12188403 - Internal combustion engine and method for simultaneously regulating the exhaust gas temperature and the charge pressure of an internal combustion engine (2025-01-07),

13. 12158130 - Cylinder head for an internal combustion engine (2024-12-03),

14. 12129777 - Oil supply (2024-10-29),

15. 12085013 - Internal combustion engine including a cylinder crankcase and a cylinder head with an integrated height-adjustable fan attachment for elastic v-ribbed belts (2024-09-10),

Deutz Aktiengesellschaft, headquartered in Cologne, Germany, specializes in the development and manufacture of internal combustion engines. The company is recognized for its innovative technologies in exhaust gas recirculation, nitrogen oxide reduction, and diesel particulate filters, contributing to cleaner and more efficient engine performance. Deutz focuses on enhancing critical components such as cylinder heads, oil supply systems, cooling systems, and fuel injection mechanisms, positioning itself as a leader in the engine manufacturing sector.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Deutz Aktiengesellschaft

74 Patents

#12 in Cologne

#777 in Germany

#10,119 in the World

Cologne, Germany

Deutz Aktiengesellschaft

Forward Citations = 100

117 inventors:

Marco Sliwa (10 out of 10 patents)

Johannes Klosterberg (8 out of 8 patents)

Meike Wittrock (6 out of 6 patents)

4. Rolf Miebach (5 out of 5 patents)

5. Peter Broll (4 out of 4 patents)

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