For the Inventor, By the Inventor

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Lexington, NE, United States of America

Orthman Manufacturing, Inc.

USPTO Granted Patents = 17

Trademarks = 5

Forward Citations = 410

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7 inventors (with patents filed for the assignee):

Henry K Orthman (11 out of 12 patents)

Michael E Frasier (3 out of 3 patents)

Stephen L Wahls (2 out of 6 patents)

4. Wendell Keith Vardeman (1 out of 3 patents)

5. Raymond Dean Vardeman (1 out of 3 patents)

6. Jay Stombaugh (1 out of 1 patent)

7. Wendell D Vardeman (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 6076613 - Forwardly-folding agricultural implement (2000-06-20),

2. 5664632 - Quick hitch guidance device (1997-09-09),

3. 5542190 - Bifold field marker (1996-08-06),

4. 5511623 - Quick hitch guidance device (1996-04-30),

5. 5408756 - Bifold field marker (1995-04-25),

6. 5307611 - Vehicle steering control system (1994-05-03),

7. 5207739 - Collapsible guide rod assembly for a tractor guidance system (1993-05-04),

8. 4588033 - Cotton root cutter and shredder (1986-05-13),

9. 4519623 - Tractor front end hitch (1985-05-28),

10. 4453601 - 180.degree. Folding tool bar (1984-06-12),

11. 4228860 - Apparatus for synchronizing the steering disc and row follower means of (1980-10-21),

12. 4184551 - Steering device for row crop cultivator (1980-01-22),

13. 4102406 - Ground conditioning device and method of conditioning soil (1978-07-25),

14. 4074766 - Floating folding tool bar having a lock means (1978-02-21),

15. 4065013 - Forklift attachment for moving three-point mounted equipment (1977-12-27),

Orthman Manufacturing, Inc. is a prominent player in the agricultural equipment sector, specializing in the design and production of innovative solutions for farming operations. The company is known for its advanced tillage, planting, and precision agriculture technologies, aimed at enhancing productivity and efficiency in crop production. Headquartered in Lexington, Nebraska, Orthman focuses on delivering high-quality machinery and equipment that meet the evolving needs of farmers, contributing to sustainable agricultural practices.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#1 in Lexington, NE

#55 in Nebraska

#18,881 in US

#35,887 in the World

Lexington, NE, United States of America

Orthman Manufacturing, Inc.

Forward Citations = 410

7 inventors:

Henry K Orthman (11 out of 12 patents)

Michael E Frasier (3 out of 3 patents)

Stephen L Wahls (2 out of 6 patents)

4. Wendell Keith Vardeman (1 out of 3 patents)

5. Raymond Dean Vardeman (1 out of 3 patents)

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