For the Inventor, By the Inventor

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Goodfield, IL, United States of America

Dmi, Inc.

USPTO Granted Patents = 35

Trademarks = 10

Forward Citations = 627

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14 inventors (with patents filed for the assignee):

William J Dietrich, Sr (28 out of 45 patents)

Cary L Sizelove (8 out of 9 patents)

Dean A Knobloch (5 out of 99 patents)

4. Jon E Kinzenbaw (2 out of 35 patents)

5. Gaylen Kromminga (2 out of 2 patents)

6. William John Dietrich (2 out of 2 patents)

7. Michael George Kovach (1 out of 75 patents)

8. Duncan N MacDonald (1 out of 1 patent)

9. Aaron L Beyer (1 out of 1 patent)

10. William J Deitrich, Sr (1 out of 1 patent)

11. Dean A Knoblock (1 out of 1 patent)

12. Brian Alan Vesperman (1 out of 1 patent)

13. Christopher John Kuehl (1 out of 1 patent)

14. Nathan Lee Greiner (1 out of 1 patent)

Core Competencies:

Fertilizer Applicator

Tillage System

Plow Design

Soil Leveler

High Speed Tillage

Self-Leveling Hitch

Adjustable Width Plow

Spring Reset Mechanism

Dual Wheel Assembly

Archival System

Tillage Apparatus

Combination Implement

35 patents: Sort by Forward Citations

1. D1007510 - Housing (2023-12-12),

2. 5865131 - Slurry fertilizer applicator (1999-02-02),

3. 5862763 - Apparatus for high speed application of liquid or dry fertilizer (1999-01-26),

4. 5540288 - Primary tillage unit with reduced disturbance of surface soil and residue (1996-07-30),

5. 5530899 - Archival and retrieval system accessing an external storage by polling (1996-06-25),

6. 5437337 - Tillage unit with reduced disturbance of surface residue and soil (1995-08-01),

7. 5413182 - Improvements in frame of winged agricultural implement (1995-05-09),

8. 5343958 - Agricultural fertilizer applicator including self-leveling wagon hitch (1994-09-06),

9. 5080178 - Agricultural tillage implement with improved soil leveler using (1992-01-14),

10. 4723495 - Single blade sealer for fertilizer applicator (1988-02-09),

11. 4596199 - Single blade sealer for fertilizer applicator (1986-06-24),

12. 4592294 - Knife applicator for dry and liquid fertilizer (1986-06-03),

13. 4574715 - Agricultural fertilizer applicator (1986-03-11),

14. 4548277 - Spring reset mechanism for tillage tool (1985-10-22),

15. 4546832 - Agricultural implement with spring cushion for vertically adjustable (1985-10-15),

Company Overview

Dmi, Inc. is a technology-focused company based in Goodfield, Illinois, specializing in the development and manufacturing of advanced electronic systems and components. The organization is known for its expertise in various domains, including automotive electronics, industrial automation, and custom engineering solutions. Dmi, Inc. leverages innovative technologies to deliver high-quality products that meet the evolving needs of its clients across diverse industries, emphasizing reliability and performance in its offerings.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

35 Patents

#2 in Goodfield, IL

#539 in Illinois

#9,749 in US

#19,168 in the World

Goodfield, IL, United States of America

Dmi, Inc.

Forward Citations = 627

14 inventors:

William J Dietrich, Sr (28 out of 45 patents)

Cary L Sizelove (8 out of 9 patents)

Dean A Knobloch (5 out of 99 patents)

4. Jon E Kinzenbaw (2 out of 35 patents)

5. Gaylen Kromminga (2 out of 2 patents)

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

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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