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A-i-l Corporation

USPTO Granted Patents = 26

Forward Citations = 439

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21 inventors (with patents filed for the assignee):

Eugene H Schmidt (13 out of 15 patents)

Lee F Nikkel (8 out of 12 patents)

Marlin W Unruh (5 out of 7 patents)

4. Eric Day (4 out of 8 patents)

5. Lawrence E Kuhlmann (3 out of 3 patents)

6. John A Kimberley (3 out of 12 patents)

7. David R Long (2 out of 2 patents)

8. Eric S Brisbon (2 out of 2 patents)

9. John B Cavanaugh (2 out of 5 patents)

10. Kazuo Taki (1 out of 2 patents)

11. Jeffrey P DiCarlo (1 out of 2 patents)

12. Roman J Baus (1 out of 8 patents)

13. Rous S Karlson (1 out of 1 patent)

14. Donald B Butterfield (1 out of 1 patent)

15. Alcide Sgarzi (1 out of 1 patent)

26 patents: Sort by Forward Citations

1. 9033609 - Locking pin with protective cap (2015-05-19),

2. 8776701 - Row crop fertilizer applying apparatus (2014-07-15),

3. 8256526 - Apparatus and a system for providing guidance control for pull type tongued implements (2012-09-04),

4. 8109070 - Dual windrow crop inverting and combining apparatus and method (2012-02-07),

5. 7623952 - GPS controlled guidance system for farm tractor/implement combination (2009-11-24),

6. 7490678 - GPS controlled guidance system for farm tractor/implement combination (2009-02-17),

7. 6509761 - Logical circuit (2003-01-21),

8. 6354429 - Agricultural crop material windrow inverting method and apparatus (2002-03-12),

9. 6279666 - Row crop debris clearing apparatus (2001-08-28),

10. 5732780 - Implement for making angled water retention depressions and mounds (1998-03-31),

11. 5582255 - Guidance system having adjustable width capability (1996-12-10),

12. 5524525 - Rotary servo valve and guidance system apparatus for controlling the same (1996-06-11),

13. 5362209 - Proportional solenoid actuator and pump system including same (1994-11-08),

14. 5240079 - Guidance control system for farm tractor/implement combination having (1993-08-31),

15. 5201295 - High pressure fuel injection system (1993-04-13),

A-i-l Corporation is a leading provider of advanced technological solutions. With a focus on innovation, we strive to deliver high-quality products and services to our clients across various industries. Our expertise lies in developing cutting-edge software applications and providing state-of-the-art hardware solutions. We are committed to exceeding customer expectations and driving business growth in a rapidly evolving digital landscape. Visit our website for more information.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

26 Patents

#1,019 in Tokyo

#2,457 in Japan

#24,093 in the World

A-i-l Corporation

Forward Citations = 439

21 inventors:

Eugene H Schmidt (13 out of 15 patents)

Lee F Nikkel (8 out of 12 patents)

Marlin W Unruh (5 out of 7 patents)

4. Eric Day (4 out of 8 patents)

5. Lawrence E Kuhlmann (3 out of 3 patents)

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