logo

For the Inventor, By the Inventor

Cologne, Germany

Klockner-Humboldt-Deutz Ag

Calculating rank
USPTO Granted Patents = 433


Trademarks = 6

Forward Citations = 3,669

Loading Chart...
Loading Chart...

417 inventors (with patents filed for the assignee):

goldMedal Horst Herchenbach (46 out of 49 patents)

silverMedal Hubert Ramesohl (22 out of 32 patents)

bronzeMedal 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.  Herbert Schleiermacher (9 out of 12 patents)

15.  Horst Weigel (9 out of 11 patents)


Core Competencies:
Reciprocating Engine
Fuel Injection
Cooling System
Thermal Treatment
Grinding System
Centrifuge
Roll Press
Pusher Grate Cooler
Noise Reduction
Heat Exchanger
Waste Treatment
Agricultural Apparatus

433 patents:

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. 5626089 - Grate plate for pusher grate coolers for the cooling of hot material (1997-05-06),
5. 5601520 - Wear-resistant hard-surfacing for the rolls of high-pressure roll presses (1997-02-11),
6. 5575252 - Reciprocating internal combustion engine (1996-11-19),
7. 5564395 - Internal combustion engine with V-shaped block (1996-10-15),
8. 5555856 - Oil-cooled reciprocating internal combustion engine (1996-09-17),
9. 5551382 - Cooling system for an internal combustion engine (1996-09-03),
10. 5547277 - Preheating screw (1996-08-20),
11. 5529045 - Reciprocating internal combustion engine (1996-06-25),
12. 5505389 - Closed circuit grinding system (1996-04-09),
13. 5502342 - Machine having devices to reduce transmissions of structure-borne noise (1996-03-26),
14. 5483928 - Liquid cooled internal combustion engine (1996-01-16),
15. 5474515 - Method of discharging light-weight substances by abrupt change of (1995-12-12),
Company Overview
Klockner-Humboldt-Deutz AG, headquartered in Cologne, Germany, specializes in the development and manufacturing of internal combustion engines. The company focuses on advanced technologies related to reciprocating engines, fuel injection systems, and cooling solutions. Its expertise extends to thermal treatment processes, grinding systems, and various industrial applications, including centrifuges and roll presses. KHD is committed to innovation in engine technology, catering to diverse sectors while emphasizing efficiency and performance.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

Klockner-Humboldt-Deutz Ag USPTO Patent Assignee Logo
433 Patents

#1 in Cologne

#129 in Germany

#2,189 in the World

Cologne, DE
Cologne, Germany

Klockner-Humboldt-Deutz Ag

Forward Citations = 3,669

417 inventors:

goldMedal Horst Herchenbach (46 out of 49 patents)

silverMedal Hubert Ramesohl (22 out of 32 patents)

bronzeMedal Paul Tholen (15 out of 15 patents)

4.  Werner Strauss (14 out of 14 patents)

5.  Willy Jakobs (13 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Klockner-Humboldt-Deutz Ag. Retrieved from https://idiyas.com/company/klockner-humboldt-deutz-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…