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Tirschenreuth, Germany

Hamm Ag

USPTO Granted Patents = 116

EPO Patents = 91

Trademarks = 5

Forward Citations = 816

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71 inventors (with patents filed for the assignee):

Matthias Meier (30 out of 30 patents)

Ulrich Ewringmann (23 out of 98 patents)

Werner Völkel (13 out of 13 patents)

4. Axel Römer (12 out of 12 patents)

5. Gernot Reif (11 out of 11 patents)

6. Axel Roemer (11 out of 11 patents)

7. Detlef Bornemann (10 out of 10 patents)

8. Gerd Köstler (10 out of 10 patents)

9. Stefan Reber (10 out of 10 patents)

10. Boris Eickhoff (10 out of 10 patents)

11. Markus Beese (9 out of 9 patents)

12. Gerhard Mahler (8 out of 8 patents)

13. Ronny Pieske (8 out of 8 patents)

14. Sebastian Villwock (8 out of 13 patents)

15. Thomas Häring (7 out of 7 patents)

Core Competencies:

Soil Processing Machine

Compactor Roller

Soil Compactor

Soil Working Roller

Earth Working Roller

Oscillation Module

Compaction State

Soil Preparation Roller

Construction Machine

Road Roller

Fastening Device

Ground Processing Machine

116 patents: Sort by Forward Citations

1. 12473026 - Method for operating a soil processing machine (2025-11-18),

2. 12410566 - Compactor roller for a soil compactor (2025-09-09),

3. 12376508 - Sheath for a soil working roller (2025-08-05),

4. 12370913 - Soil processing machine (2025-07-29),

5. 12331475 - Soil processing roller (2025-06-17),

6. 12296667 - Soil processing machine (2025-05-13),

7. 12188188 - Method for providing information related to the compaction state of a soil when performing a compaction operation with a soil compactor (2025-01-07),

8. 12110640 - Soil working roller for a soil processing machine (2024-10-08),

9. 12018440 - Soil preparation roller system for a soil preparation machine (2024-06-25),

10. 11976426 - Soil processing machine and method for operating a soil processing machine (2024-05-07),

11. 11971099 - Soil processing machine and method for operating a soil processing machine (2024-04-30),

12. 11959244 - Roller tool for a ground processing roller (2024-04-16),

13. 11913178 - Oscillation module (2024-02-27),

14. 11882779 - Earth working roller (2024-01-30),

15. 11844295 - Earth working roller (2023-12-19),

HAMM AG is a leading manufacturer of road construction and compaction equipment. With a rich history spanning over 140 years, HAMM AG has established itself as a trusted name in the industry. The company offers a diverse range of products including asphalt pavers, compactors, and tandem rollers. Through constant innovation and advanced technologies, HAMM AG strives to deliver reliable and efficient equipment to its global customers. Visit their website to explore their product portfolio and learn more about their commitment to quality and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

116 Patents

#1 in Tirschenreuth

#546 in Germany

#6,640 in the World

Tirschenreuth, Germany

Hamm Ag

Forward Citations = 816

71 inventors:

Matthias Meier (30 out of 30 patents)

Ulrich Ewringmann (23 out of 98 patents)

Werner Völkel (13 out of 13 patents)

4. Axel Römer (12 out of 12 patents)

5. Gernot Reif (11 out of 11 patents)

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