For the Inventor, By the Inventor

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Harsewinkel, Germany

Claas Ohg

USPTO Granted Patents = 91

Trademarks = 5

Forward Citations = 1,231

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67 inventors (with patents filed for the assignee):

Franz Heidjann (18 out of 30 patents)

Gerhard Clostermeyer (9 out of 13 patents)

Heinrich Ostrup (9 out of 10 patents)

4. Johannes Dammann (8 out of 9 patents)

5. Nils Fredriksen (7 out of 11 patents)

6. Franz Tophinke (7 out of 8 patents)

7. Helmut Claas (6 out of 10 patents)

8. Heinrich Roderfeld (6 out of 6 patents)

9. Norbert Diekhans (5 out of 56 patents)

10. Dirk Bruer (5 out of 5 patents)

11. Gunter Eis (4 out of 6 patents)

12. Lambert Sanders (4 out of 5 patents)

13. Hermann Kersting (4 out of 5 patents)

14. Heinrich Hemker (3 out of 3 patents)

15. Werner Fromme (3 out of 3 patents)

Core Competencies:

Combine Harvester

Self-Propelling Harvester

Hydrostatic Power Transmission

Agricultural Machine

V-Belt Drive

Harvesting Device

Tandem Running Gear

Flax Dressing Machine

Sugar-Cane Harvesting

Bale Press

Bulk Flow Measurement

Field Chopping Machine

91 patents: Sort by Forward Citations

1. 6282476 - Agricultural machine, in particular a combine harvester and thresher, with multi-processor master unit (2001-08-28),

2. 5978720 - Agricultural machine, especially combine harvester, with multi-processor (1999-11-02),

3. 5531282 - Endless track mechanism (1996-07-02),

4. 5466188 - Method of decorticating flax and a flax dressing machine for carrying (1995-11-14),

5. 5454758 - Self-propelling harvester thresher (1995-10-03),

6. 5419086 - Agricultural harvester (1995-05-30),

7. 5351558 - Device for measuring bulk flow (1994-10-04),

8. 5339611 - Tandem running gear on a self-propelled agricultural machine (1994-08-23),

9. D348678 - Vehicle cab (1994-07-12),

10. 5305648 - V-belt drive (1994-04-26),

11. 5242331 - V-belt drive with clamping device (1993-09-07),

12. 5212935 - Device for harvesting corn or other grains (1993-05-25),

13. 5207736 - Control of a displacement machine of a hydrostatic-mechanical torque (1993-05-04),

14. 5190497 - Self-propelling harvester thresher (1993-03-02),

15. 5157904 - Sugar-cane harvesting machine (1992-10-27),

CLAAS is a global agricultural machinery manufacturer based in Germany. They specialize in the manufacturing of combine harvesters, forage harvesters, balers, mowers, and other agricultural machinery. With a history of over 100 years, CLAAS is renowned for its innovative technology, precision farming solutions, and commitment to sustainability. They offer a wide range of reliable and efficient machinery to support farmers in their daily operations, aiming to enhance productivity and optimize yield.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

91 Patents

#2 in Harsewinkel

#670 in Germany

#8,170 in the World

Harsewinkel, Germany

Claas Ohg

Forward Citations = 1,231

67 inventors:

Franz Heidjann (18 out of 30 patents)

Gerhard Clostermeyer (9 out of 13 patents)

Heinrich Ostrup (9 out of 10 patents)

4. Johannes Dammann (8 out of 9 patents)

5. Nils Fredriksen (7 out of 11 patents)

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