logo

For the Inventor, By the Inventor

Muscatine, IA, United States of America

Grain Processing Corporation

Calculating rank
USPTO Granted Patents = 137

% Expired Patents = 20.4



Trademarks = 31

Forward Citations = 1,276

Loading Chart...
Loading Chart...

91 inventors (with patents filed for the assignee):

goldMedal Richard L Antrim (23 out of 43 patents)

silverMedal Frank W Barresi (20 out of 20 patents)

bronzeMedal 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:
Malto-Oligosaccharides
Starch Products
Food Thickener
Drying Methods
Animal Feed
Biodegradable Sorbents
Pest Control Agents
Drilling Fluids
Dust Suppressants
Adhesives
Concrete Compositions
Fluid Absorbers

137 patents:

1. 12653110 - Bin vent apparatus and methods (2026-06-16),
2. 11751594 - Food thickener composition and method (2023-09-12),
3. 10233472 - Preparation of malto-oligosaccharides (2019-03-19),
4. 9950934 - Apparatuses and methods for degassing effluent (2018-04-24),
5. 9918942 - Microspheres (2018-03-20),
6. 9873640 - Method for drying spent filter media (2018-01-23),
7. 9808030 - Salt composition (2017-11-07),
8. 9670105 - Method for drying spent filter media (2017-06-06),
9. 9637767 - Preparation of malto-oligosaccharides (2017-05-02),
10. 9605141 - Cold-water soluble extruded starch product (2017-03-28),
11. 9422372 - Production of resistant dextrins (2016-08-23),
12. 9340466 - Method for drying spent filter media (2016-05-17),
13. 9326533 - Method for drying biomaterials (2016-05-03),
14. 9163269 - Preparation of malto-oligosaccharides (2015-10-20),
15. 9150761 - Adhesive (2015-10-06),
Company Overview
Grain Processing Corporation, headquartered in Muscatine, Iowa, specializes in the development and manufacturing of a diverse range of grain-based products. The company focuses on innovative solutions in malto-oligosaccharides, starch products, and food thickeners, catering to various industries including food, animal feed, and biodegradable materials. Additionally, Grain Processing Corporation is involved in advanced drying methods and the formulation of pest control agents and drilling fluids, contributing to sustainable practices in agriculture and beyond.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

137 Patents

#3 in Muscatine, IA

#21 in Iowa

#2,840 in US

#5,910 in the World

Muscatine, IA (US)
Muscatine, IA, United States of America

Grain Processing Corporation

Forward Citations = 1,276

91 inventors:

goldMedal Richard L Antrim (23 out of 43 patents)

silverMedal Frank W Barresi (20 out of 20 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Grain Processing Corporation. Retrieved from https://idiyas.com/company/grain-processing

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]
Loading…