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Windhagen, Germany

Wirtgen Gmbh

USPTO Granted Patents = 499

CIPO Patents = 3

EPO Patents = 263

Trademarks = 7

Forward Citations = 4,181

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162 inventors (with patents filed for the assignee):

Cyrus Barimani (264 out of 265 patents)

Christian Berning (156 out of 158 patents)

Günter Hähn (150 out of 151 patents)

4. Thomas Lehnert (81 out of 85 patents)

5. Karsten Buhr (59 out of 59 patents)

6. Martin Lenz (43 out of 43 patents)

7. Peter Busley (43 out of 46 patents)

8. Dieter Simons (41 out of 46 patents)

9. Guenter Haehn (36 out of 36 patents)

10. Stefan Wagner (33 out of 36 patents)

11. Matthias Fritz (33 out of 40 patents)

12. Christoph Menzenbach (30 out of 30 patents)

13. Herbert Ley (29 out of 29 patents)

14. Philip Verhaelen (23 out of 23 patents)

15. Olaf Gaertner (23 out of 23 patents)

Core Competencies:

Milling Machine

Earth Working Machine

Self-Propelled Construction Machine

Slipform Paver

Automated Sensor Switching

Wear Prognosis Method

Dowel Bar Inserter

Mobile Earth Working Machine

Dust Extraction System

Interchangeable Unit

Construction Machine

Paver Elevation Profile Monitoring

499 patents: Sort by Forward Citations

1. 12497741 - Mounted earth removal device having a split side plate (2025-12-16),

2. 12486766 - Milling machine and method for operating a milling machine (2025-12-02),

3. 12480265 - Method for milling off traffic areas with a milling drum, as well as milling machine for carrying out the method for milling off traffic areas (2025-11-25),

4. 12473698 - Roll control during slip form paving (2025-11-18),

5. 12428792 - Interchangeable unit for texturing ground surface work and road construction machine having such an interchangeable unit (2025-09-30),

6. 12416123 - Automated sensor switching (2025-09-16),

7. 12410567 - Ground milling machine, in particular stabiliser or recycler, and method of operating a ground milling machine (2025-09-09),

8. 12404657 - Self-propelled earth working machine having a joystick with more than one operating mode for controlling the travel movement (2025-09-02),

9. 12398641 - Earth working machine and method for wear-optimized operation of an earth working machine (2025-08-26),

10. 12372448 - Wear prognosis method and maintenance method (2025-07-29),

11. 12366042 - Self-propelled construction machine and method for working a ground pavement (2025-07-22),

12. 12320080 - Construction machine (2025-06-03),

13. 12320079 - Method for operating a ground milling machine (2025-06-03),

14. 12312955 - Milling machine and process for the operation of a milling machine (2025-05-27),

15. 12264443 - Removing earth working method with a removing tool offset obliquely with respect to the propulsion direction, and earth working machine embodied to execute the method (2025-04-01),

Wirtgen GmbH is a leading manufacturer of construction machinery based in Germany. With over 60 years of experience, the company specializes in developing innovative solutions for road construction and rehabilitation. Wirtgen offers a wide range of products including milling machines, cold recyclers, asphalt pavers, and surface miners. They are dedicated to providing high-quality equipment that improves efficiency and sustainability 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

499 Patents

#1 in

#118 in

#1,886 in the World

Windhagen, Germany

Wirtgen Gmbh

Forward Citations = 4,181

162 inventors:

Cyrus Barimani (264 out of 265 patents)

Christian Berning (156 out of 158 patents)

Günter Hähn (150 out of 151 patents)

4. Thomas Lehnert (81 out of 85 patents)

5. Karsten Buhr (59 out of 59 patents)

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