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Trademarks = 3

Forward Citations = 232

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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 storage, handling, and drying solutions for agricultural industries. With over 40 years of experience, we offer innovative and reliable products to help farmers maximize their crop production. Our comprehensive range of equipment includes grain bins, conveyors, grain dryers, and grain monitoring systems. We are dedicated to helping our customers succeed and thrive in their business operations.

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

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USPTO Data Jan 1 1976 - Jan 13 2026

13 Patents

#1 in Assumption, IL

#1,146 in Illinois

#23,184 in US

#43,770 in the World

Assumption, IL, United States of America

Grain Systems, Inc.