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For the Inventor, By the Inventor

Auburn, IL, United States of America

Dickey-John Corporation


USPTO Granted Patents = 81

% Expired Patents = 1.2



Trademarks = 8

Forward Citations = 2,275

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54 inventors (with patents filed for the assignee):

goldMedal Wesley J Bachman (15 out of 25 patents)

silverMedal Ronald W Steffen (10 out of 14 patents)

bronzeMedal David E Steffen (10 out of 10 patents)

4.  David B Funk (6 out of 6 patents)

5.  Victor D Goeckner (5 out of 12 patents)

6.  Edmund J Gorsek (4 out of 4 patents)

7.  John T Knepler (4 out of 4 patents)

8.  Barry C Mears (3 out of 6 patents)

9.  Gregry C Miller (3 out of 5 patents)

10.  David Kuhnel (3 out of 3 patents)

11.  Steven G Stone (3 out of 4 patents)

12.  Robert C Funk (3 out of 12 patents)

13.  James H Anson (3 out of 27 patents)

14.  Joel T Morton (3 out of 4 patents)

15.  Norman F Marsh (3 out of 3 patents)


Core Competencies:
Bin Level Sensor
Moisture Tester
Seed Monitor
Fault-Tolerant Sensing
Material Distribution
Tractor Data Center
Grain Sensor
Wireless Monitoring
Calibration-Free Technology
Control Systems
Planting Systems
Data Processing

81 patents:

1. 11022473 - Calibration-free continuous bin level sensor (2021-06-01),
2. 10746584 - Calibration-free continuous bin level sensor (2020-08-18),
3. 9854726 - Fault-tolerant sensing and monitoring communications bus system for agricultural applications (2018-01-02),
4. 9810567 - Calibration-free continuous bin level sensor (2017-11-07),
5. 9320192 - Synchronization of a twin row planting system (2016-04-26),
6. 9307694 - Fault-tolerant sensing and monitoring communications bus system for agricultural applications (2016-04-12),
7. 6373057 - Infrared reflective article counting/detecting device (2002-04-16),
8. 6141625 - Viscometer module with crystal resonator-type sensor (2000-10-31),
9. 5961040 - Material application system with programming security (1999-10-05),
10. 5911362 - Control system for a mobile material distribution device (1999-06-15),
11. 5884205 - Boom configuration monitoring and control system for mobile material (1999-03-16),
12. 5819512 - Apparatus and method for sensing material build-up (1998-10-13),
13. 5801948 - Universal control system with alarm history tracking for mobile material (1998-09-01),
14. 5770865 - Apparatus and method for sensing a full level condition for a large (1998-06-23),
15. 5635911 - Apparatus and method for monitoring an article dispensing device such as (1997-06-03),
DICKEY-JOHN CORPORATION is a leading provider of precision agriculture, moisture testing, and control systems. With a rich history dating back to 1966, DICKEY-JOHN offers innovative solutions to assist farmers in achieving optimal crop performance and productivity. Their advanced technologies and equipment cater to various agricultural needs, including soil testing, seed monitoring, yield mapping, and application control. As a trusted brand in the industry, DICKEY-JOHN Corporation continues to drive advancements in agricultural technology for improved efficiency and sustainability.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Dickey-John Corporation
81 Patents

#1 in Auburn, IL

#261 in Illinois

#4,567 in US

#9,329 in the World

Auburn, IL (US)
Auburn, IL, United States of America

Dickey-John Corporation

Forward Citations = 2,275

54 inventors:

goldMedal Wesley J Bachman (15 out of 25 patents)

silverMedal Ronald W Steffen (10 out of 14 patents)

bronzeMedal David E Steffen (10 out of 10 patents)

4.  David B Funk (6 out of 6 patents)

5.  Victor D Goeckner (5 out of 12 patents)

Please report any incorrect information to [email protected]
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