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For the Inventor, By the Inventor

Oskaloosa, IA, United States of America

Intraco, Inc.


USPTO Granted Patents = 19

Trademarks = 11

Forward Citations = 115

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12 inventors (with patents filed for the assignee):

goldMedal Robert D Jones (8 out of 12 patents)

silverMedal Millard Manley Williams (5 out of 6 patents)

bronzeMedal Larry J Van Zee (4 out of 5 patents)

4.  Eric L Nicholson (2 out of 4 patents)

5.  Thomas W Arndt (2 out of 2 patents)

6.  Jerry L Hall (2 out of 2 patents)

7.  Benjamin O Hall (2 out of 2 patents)

8.  Frank E Hayward (1 out of 1 patent)

9.  Ben O Hall (1 out of 1 patent)

10.  Millard N Williams (1 out of 1 patent)

11.  Robert K Foust (1 out of 5 patents)

12.  John Adair (1 out of 1 patent)


19 patents:

1. 12280960 - Sprocket tooth cap, sprocket assembly, and conveyor system (2025-04-21),
2. 11821567 - Cleaning assembly for a tubular drag conveyor (2023-11-21),
3. 11512805 - Cleaning assembly for a tubular drag conveyor (2022-11-29),
4. 10329095 - Cable connector for tubular conveyor systems (2019-06-25),
5. 9302854 - Outlet valve for a cable conveyor (2016-04-05),
6. 9132965 - Idler control system for a cable conveyor (2015-09-15),
7. 7267218 - Cable conveyer with bearings (2007-09-11),
8. 5205416 - Feed hopper having outlet slots that reduce material shearing and are (1993-04-27),
9. 5097797 - Poultry feeder (1992-03-24),
10. 4395973 - Cable hold-down apparatus (1983-08-02),
11. 4391361 - Hold-down apparatus for cable conveyors (1983-07-05),
12. 4243193 - Clamp (1981-01-06),
13. 4195725 - Drive unit for cable conveyor (1980-04-01),
14. 4180136 - Weight actuated feed drop apparatus (1979-12-25),
15. 4130223 - Feed level monitor and control apparatus (1978-12-19),
Company Overview
Intraco, Inc. is a company based in Oskaloosa, Iowa, specializing in the development and manufacturing of advanced industrial solutions. The organization focuses on providing innovative products and services that enhance operational efficiency across various sectors. With a commitment to research and technology, Intraco leverages expertise in engineering and design to deliver high-quality solutions tailored to meet the evolving needs of its clients. The company is recognized for its contributions to the industrial landscape, emphasizing reliability and performance.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

19 Patents

#2 in Oskaloosa, IA

#95 in Iowa

#17,150 in US

#32,693 in the World

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

Intraco, Inc.

Forward Citations = 115

12 inventors:

goldMedal Robert D Jones (8 out of 12 patents)

silverMedal Millard Manley Williams (5 out of 6 patents)

bronzeMedal Larry J Van Zee (4 out of 5 patents)

4.  Eric L Nicholson (2 out of 4 patents)

5.  Thomas W Arndt (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Intraco, Inc.. Retrieved from https://idiyas.com/company/intraco

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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