For the Inventor, By the Inventor

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Nevada, IA, United States of America

Gary W. Clem, Inc.

USPTO Granted Patents = 21

% Expired Patents = 14.3

Forward Citations = 189

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22 inventors (with patents filed for the assignee):

Brian W Carr (20 out of 20 patents)

Scott A Sporrer (17 out of 17 patents)

Donald F Handorf (13 out of 13 patents)

4. Nick Merfeld (12 out of 12 patents)

5. Peter B Moore (11 out of 11 patents)

6. Curtis R Hammer (6 out of 17 patents)

7. Ryan Jensen (5 out of 17 patents)

8. Adam R Koesters (5 out of 11 patents)

9. Andrew G Jenkins (4 out of 9 patents)

10. Gary W Clem (3 out of 3 patents)

11. Ryan A Carstensen (2 out of 2 patents)

12. Cody J Sobotka (2 out of 2 patents)

13. Edward J Plizga (2 out of 2 patents)

14. Timothy A Schroeder (2 out of 2 patents)

15. Chester S Creswick (2 out of 2 patents)

21 patents: Sort by Forward Citations

1. 11140828 - Grain feeding and conveying assembly for a combine (2021-10-12),

2. 10624256 - Method of operating a planter for planting seeds in a field for experimental purposes (2020-04-21),

3. 10412894 - Grain processing assembly for a combine (2019-09-17),

4. 9635804 - Drop tube system for planting field seeds in rows with different varieties of seeds (2017-05-02),

5. 8218710 - Seed counting device (2012-07-10),

6. 8175212 - Seed counting device (2012-05-08),

7. 8015884 - Method and means of measuring the flow rate of particulate matter (2011-09-13),

8. 7398636 - Method and apparatus for continuously harvesting grain from a row of mature grain plants comprised of plant segments and alley segments (2008-07-15),

9. 7337733 - Distance measuring device for planter (2008-03-04),

10. 7111567 - Method and apparatus for planting seed in a seed research plot (2006-09-26),

11. 6848243 - Method and apparatus for continuously harvesting grain from a row of mature grain plants comprised of plant segments and alley segments (2005-02-01),

12. 6832567 - Method and apparatus for planting seed in a seed research plot (2004-12-21),

13. 6749810 - Method and apparatus for presenting grain for NIR spectography examination (2004-06-15),

14. 6505124 - GPS system to provide planter tripping for crop research plots (2003-01-07),

15. 6474500 - Method and means for planting field seeds in rows with different varieties of seeds (2002-11-05),

Company Overview

Gary W. Clem, Inc. is a specialized organization based in Nevada, Iowa, focusing on the development and manufacturing of innovative solutions in the field of agricultural technology. The company is dedicated to enhancing farming efficiency through advanced equipment and systems that address the unique challenges faced by modern agriculture. With a commitment to research and development, Gary W. Clem, Inc. aims to provide cutting-edge tools that support sustainable practices and improve crop yields, contributing to the evolution of the agricultural landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

21 Patents

#1 in Nevada, IA

#91 in Iowa

#15,712 in US

#30,001 in the World

Nevada, IA, United States of America

Gary W. Clem, Inc.

Forward Citations = 189

22 inventors:

Brian W Carr (20 out of 20 patents)

Scott A Sporrer (17 out of 17 patents)

Donald F Handorf (13 out of 13 patents)

4. Nick Merfeld (12 out of 12 patents)

5. Peter B Moore (11 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gary W. Clem, Inc.. Retrieved from https://idiyas.com/company/gary-w-clem

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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