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North Platte, NE, United States of America

A-I-L Corporation

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USPTO Granted Patents = 26

% Expired Patents = 7.7

Forward Citations = 453

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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)

Core Competencies:

GPS Guidance System

Fuel Injection System

Crop Applying Apparatus

Solenoid Actuator

Windrow Inverting Apparatus

Tractor Implement Control

Rotary Servo Valve

Positioning Apparatus

Debris Clearing Device

High Pressure Fuel Injection

Rate Control Mechanism

Electrochemical Machining

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),

Company Overview

A-I-L Corporation, based in North Platte, Nebraska, specializes in advanced manufacturing solutions and innovative engineering services. The company focuses on developing high-quality products and technologies tailored for various industries, including aerospace, defense, and commercial sectors. A-I-L Corporation is committed to enhancing operational efficiency and delivering cutting-edge solutions that meet the evolving needs of its clients, leveraging expertise in materials science and engineering design.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

26 Patents

#1 in North Platte, NE

#43 in Nebraska

#12,875 in US

#24,848 in the World

North Platte, NE, United States of America

A-I-L Corporation

Forward Citations = 453

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: A-I-L Corporation. Retrieved from https://idiyas.com/company/a-i-l

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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