For the Inventor, By the Inventor

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Muscatine, IA, United States of America

Grain Processing Corporation

USPTO Granted Patents = 136

CIPO Patents = 5

EPO Patents = 5

Trademarks = 37

Forward Citations = 1,262

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90 inventors (with patents filed for the assignee):

Richard L Antrim (23 out of 43 patents)

Frank W Barresi (20 out of 20 patents)

Roger E McPherson (20 out of 20 patents)

4. Sarjit Johal (17 out of 17 patents)

5. Richard D Harvey (11 out of 11 patents)

6. Lin Wang (10 out of 26 patents)

7. Kevin H Schilling (10 out of 10 patents)

8. Paul R Witt (10 out of 10 patents)

9. Jeff Underwood (9 out of 10 patents)

10. E Daniel Hubbard (9 out of 9 patents)

11. Alpha L Morehouse (9 out of 9 patents)

12. Steven L Ramsden (8 out of 8 patents)

13. Susan Freers (8 out of 8 patents)

14. John T Garbutt (8 out of 8 patents)

15. Terry V Andren (7 out of 7 patents)

Core Competencies:

Food Thickener Composition

Malto-Oligosaccharides

Degassing Apparatuses

Microspheres

Spent Filter Media

Cold-Water Soluble Starch

Resistant Dextrins

Biomaterials Drying

Animal Litter Process

Pest Control Agents

Fluid Absorbers

Biodegradable Sorbents

136 patents: Sort by Forward Citations

1. 11751594 - Food thickener composition and method (2023-09-12),

2. 10233472 - Preparation of malto-oligosaccharides (2019-03-19),

3. 9950934 - Apparatuses and methods for degassing effluent (2018-04-24),

4. 9918942 - Microspheres (2018-03-20),

5. 9873640 - Method for drying spent filter media (2018-01-23),

6. 9808030 - Salt composition (2017-11-07),

7. 9670105 - Method for drying spent filter media (2017-06-06),

8. 9637767 - Preparation of malto-oligosaccharides (2017-05-02),

9. 9605141 - Cold-water soluble extruded starch product (2017-03-28),

10. 9422372 - Production of resistant dextrins (2016-08-23),

11. 9340466 - Method for drying spent filter media (2016-05-17),

12. 9326533 - Method for drying biomaterials (2016-05-03),

13. 9163269 - Preparation of malto-oligosaccharides (2015-10-20),

14. 9150761 - Adhesive (2015-10-06),

15. 9113646 - Method for drying biomaterials (2015-08-25),

Founded in 1943, Grain Processing Corporation (GPC) is a leading manufacturer of corn-based products. With a diverse portfolio, GPC offers ingredients for the food, beverage, pharmaceutical, and personal care industries. Their product range includes corn syrup, starches, maltodextrin, corn oil, and ethanol, among others. Committed to quality and sustainability, GPC's advanced processing facilities and strict quality control ensure consistent and reliable products. With a strong focus on customer satisfaction, GPC strives to meet the unique needs of each client. For further information, please visit their website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

136 Patents

#3 in Muscatine, IA

#20 in Iowa

#2,747 in US

#5,780 in the World

Muscatine, IA, United States of America

Grain Processing Corporation

Forward Citations = 1,262

90 inventors:

Richard L Antrim (23 out of 43 patents)

Frank W Barresi (20 out of 20 patents)

Roger E McPherson (20 out of 20 patents)

4. Sarjit Johal (17 out of 17 patents)

5. Richard D Harvey (11 out of 11 patents)

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