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Forward Citations = 236

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8 inventors (with patents filed for the assignee):

Eugene B Pollock (7 out of 23 patents)

Jeffrey L Knollenberg (2 out of 3 patents)

Ronald D Bestwick (1 out of 1 patent)

4. Randall E Sheley (1 out of 1 patent)

5. David W Morrison (1 out of 1 patent)

6. Quentin Taylor (1 out of 1 patent)

7. Mark A Trumper (1 out of 1 patent)

8. Craig Sloan (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 5566470 - Metering grain unloader for tower dryer (1996-10-22),

2. 5513597 - Feed conveying apparatus (1996-05-07),

3. 5474027 - Feed intake cup apparatus (1995-12-12),

4. 5462017 - Poultry feeder (1995-10-31),

5. 5400525 - Flame cone for grain bin dryer (1995-03-28),

6. 5344363 - Roof vent assembly for grain storage bin (1994-09-06),

7. 5311839 - Poultry feeder (1994-05-17),

8. 5218784 - Apparatus for opening and closing bin lid from below (1993-06-15),

9. 5135271 - Latching apparatus for access covers on bulk storage structures (1992-08-04),

10. 4885985 - Self regulating grain bin wall air system and method (1989-12-12),

11. 4480534 - Grain bin roof vent (1984-11-06),

12. 4137682 - Floor system for grain bin (1979-02-06),

13. 4057112 - Subsoil plow (1977-11-08),

Grain Systems, Inc. is a leading provider of grain handling and storage solutions, specializing in the design and manufacturing of equipment that enhances the efficiency and safety of grain management. The company focuses on innovative technologies that support the agricultural sector, offering a range of products including grain bins, dryers, and handling systems. Based in Assumption, Illinois, Grain Systems serves a diverse clientele, contributing to the advancement of grain storage practices across various regions.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

13 Patents

#2 in Assumption, IL

#1,183 in Illinois

#23,815 in US

#44,988 in the World

Assumption, IL, United States of America

Grain Systems, Inc.