For the Inventor, By the Inventor

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Milford, IN, United States of America

Ctb, Inc.

USPTO Granted Patents = 129

% Expired Patents = 7.8

CIPO Patents = 12

EPO Patents = 19

Trademarks = 109

Forward Citations = 1,252

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88 inventors (with patents filed for the assignee):

Mark S Dingeldein (13 out of 18 patents)

Theodore J Cole (12 out of 26 patents)

Ray E Swartzendruber (11 out of 19 patents)

4. Brent J Bloemendaal (9 out of 18 patents)

5. Timothy W Momont (9 out of 13 patents)

6. Christopher Richard Roes (8 out of 8 patents)

7. Lionel L Kreger (8 out of 22 patents)

8. Charles R Bird (8 out of 13 patents)

9. Curtis Wenger (7 out of 9 patents)

10. Rodney B Grossman (7 out of 10 patents)

11. Harry Ronald Van Horn, Ii (7 out of 8 patents)

12. Adam K Gutwein (6 out of 6 patents)

13. Andrew J Rausch (6 out of 7 patents)

14. Brad W Lorton (6 out of 10 patents)

15. James Richard Kraft (6 out of 17 patents)

Core Competencies:

Grain Bin Systems

Moisture Sensors

Poultry Feeding Mechanisms

Grain Drying

Animal Management

Hopper Assemblies

Aeration Systems

Ventilation Systems

Sow Lactation Feeders

Indexed Feed Dispensing

Watering Systems

Trap Systems

129 patents: Sort by Forward Citations

1. 12742595 - Grain dryer output capacitive moisture sensing assembly and related methods (2026-09-22),

2. 12698158 - Adjustable transition for connecting discharge end of conveyor to grain storage bin or grain dryer (2026-08-04),

3. 12419266 - Devices and methods for managing animals in an enclosure (2025-09-23),

4. 12268183 - Free access sow gestation stall gate assembly (2025-04-08),

5. 12252349 - Grain bin unload trough conveyor auger hanger assembly and method (2025-03-18),

6. 12035693 - Broiler pan feeder (2024-07-16),

7. 12004477 - Devices and methods for managing animals in an enclosure (2024-06-11),

8. 11952218 - Grain bin unload trough conveyor auger hanger assembly and method (2024-04-09),

9. 11690367 - Arthropod trap and extermination method (2023-07-04),

10. 11248388 - Commercial hopper grain bin assembly method (2022-02-15),

11. 11152164 - Grain bin sump control with automatic intermediate sump lock-out assembly (2021-10-19),

12. 11136205 - Grain bin powersweep with sweep conveyor end wheel (2021-10-05),

13. 11066256 - Grain bin powersweep with sump shaft aperture sealing cover plate assembly (2021-07-20),

14. 11066247 - Powersweep including gearbox shifter mechanism (2021-07-20),

15. 11039604 - Laying nest with rack drive floor expulsion system (2021-06-22),

Company Overview

Ctb, Inc., headquartered in Milford, Indiana, specializes in grain handling technology, providing innovative solutions for the agricultural sector. The company develops and manufactures a range of products including grain bin systems, moisture sensors, and grain drying equipment, which enhance the efficiency of grain storage and management. Additionally, Ctb focuses on poultry feeding mechanisms, animal management systems, and various aeration and ventilation solutions, supporting optimal conditions for livestock and grain processing.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

129 Patents

#1 in Milford, IN

#52 in Indiana

#3,009 in US

#6,229 in the World

Milford, IN, United States of America

Ctb, Inc.

Forward Citations = 1,252

88 inventors:

Mark S Dingeldein (13 out of 18 patents)

Theodore J Cole (12 out of 26 patents)

Ray E Swartzendruber (11 out of 19 patents)

4. Brent J Bloemendaal (9 out of 18 patents)

5. Timothy W Momont (9 out of 13 patents)

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

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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