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For the Inventor, By the Inventor

Windhagen, Germany

Wirtgen Gmbh


USPTO Granted Patents = 498



Trademarks = 10

Forward Citations = 4,162

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207 inventors (with patents filed for the assignee):

goldMedal Cyrus Barimani (264 out of 265 patents)

silverMedal Christian Berning (156 out of 158 patents)

bronzeMedal 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

498 patents:

1. 12486766 - Milling machine and method for operating a milling machine (2025-12-02),
2. 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),
3. 12473698 - Roll control during slip form paving (2025-11-18),
4. 12428792 - Interchangeable unit for texturing ground surface work and road construction machine having such an interchangeable unit (2025-09-30),
5. 12416123 - Automated sensor switching (2025-09-16),
6. 12410567 - Ground milling machine, in particular stabiliser or recycler, and method of operating a ground milling machine (2025-09-09),
7. 12404657 - Self-propelled earth working machine having a joystick with more than one operating mode for controlling the travel movement (2025-09-02),
8. 12398641 - Earth working machine and method for wear-optimized operation of an earth working machine (2025-08-26),
9. 12372448 - Wear prognosis method and maintenance method (2025-07-29),
10. 12366042 - Self-propelled construction machine and method for working a ground pavement (2025-07-22),
11. 12320080 - Construction machine (2025-06-03),
12. 12320079 - Method for operating a ground milling machine (2025-06-03),
13. 12312955 - Milling machine and process for the operation of a milling machine (2025-05-27),
14. 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),
15. 12253166 - Earth working machine having a shiftable transmission between a drive motor and a rotatable working apparatus (2025-03-18),
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.

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USPTO Data Jan 1 1976 - Dec 9 2025

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498 Patents

#1 in

#118 in

#1,885 in the World

...
Windhagen, Germany

Wirtgen Gmbh

Forward Citations = 4,162

207 inventors:

goldMedal Cyrus Barimani (264 out of 265 patents)

silverMedal Christian Berning (156 out of 158 patents)

bronzeMedal 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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