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Cologne, Germany

Klockner-humboldt-deutz Ag

USPTO Granted Patents = 433

CIPO Patents = 1

Trademarks = 6

Forward Citations = 3,590

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417 inventors (with patents filed for the assignee):

Horst Herchenbach (46 out of 49 patents)

Hubert Ramesohl (22 out of 32 patents)

Paul Tholen (15 out of 15 patents)

4. Werner Strauss (14 out of 14 patents)

5. Willy Jakobs (13 out of 16 patents)

6. Kunibert Brachthauser (12 out of 13 patents)

7. Gerhard Melcher (11 out of 13 patents)

8. Alfred Kryczun (11 out of 11 patents)

9. Wolfgang Epper (10 out of 16 patents)

10. Karl-Heinz Unkelbach (10 out of 12 patents)

11. Friedrich Megerle (10 out of 10 patents)

12. Andris Abelitis (10 out of 11 patents)

13. Gottfried Moser (10 out of 10 patents)

14. Horst Weigel (9 out of 11 patents)

15. Herbert Deussner (9 out of 10 patents)

Core Competencies:

Thermal Treatment

Reciprocating Internal Combustion Engine

Cooling System

Pressure Treatment

Granular Material

Wear-Resistant Hard-Surfacing

Self-Propelled Harvester

Grate Cooler

Magnet System

Centrifuge

Roll Press

Air Separation

433 patents: Sort by Forward Citations

1. 5700144 - Method and apparatus for thermal treatment of solids (1997-12-23),

2. 5683043 - Pusher grate cooler (1997-11-04),

3. 5647320 - Method and device for assembling an injection pump element (1997-07-15),

4. 5601520 - Wear-resistant hard-surfacing for the rolls of high-pressure roll presses (1997-02-11),

5. 5575252 - Reciprocating internal combustion engine (1996-11-19),

6. 5564395 - Internal combustion engine with V-shaped block (1996-10-15),

7. 5555856 - Oil-cooled reciprocating internal combustion engine (1996-09-17),

8. 5551382 - Cooling system for an internal combustion engine (1996-09-03),

9. 5547277 - Preheating screw (1996-08-20),

10. 5529045 - Reciprocating internal combustion engine (1996-06-25),

11. 5505389 - Closed circuit grinding system (1996-04-09),

12. 5502342 - Machine having devices to reduce transmissions of structure-borne noise (1996-03-26),

13. 5474515 - Method of discharging light-weight substances by abrupt change of (1995-12-12),

14. 5449422 - Method and device for the heat treatment of heat treatable material in (1995-09-12),

15. 5437599 - Damped hydraulic bearing support for centrifuge (1995-08-01),

Klockner-Humboldt-Deutz AG, known as DEUTZ, is a German manufacturer of engines and related components, primarily for the automotive industry. With a history dating back to 1864, DEUTZ has built a reputation for delivering high-quality and innovative engine solutions. The company offers a wide range of engines, including diesel and alternative fuel engines, for various applications such as construction equipment, agricultural machinery, and commercial vehicles. DEUTZ is committed to sustainability and continuously invests in research and development to improve the efficiency and environmental performance of their engines.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

433 Patents

#1 in Cologne

#139 in Germany

#2,113 in the World

Cologne, Germany

Klockner-humboldt-deutz Ag

Forward Citations = 3,590

417 inventors:

Horst Herchenbach (46 out of 49 patents)

Hubert Ramesohl (22 out of 32 patents)

Paul Tholen (15 out of 15 patents)

4. Werner Strauss (14 out of 14 patents)

5. Willy Jakobs (13 out of 16 patents)

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