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For the Inventor, By the Inventor

Chatham, IL, United States of America

David E Steffen

This inventor holds 10 USPTO granted patents. Top assignee: Dickey-John Corporation. Active years: 1976-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David E Steffen. Retrieved from https://idiyas.com/inventor/david-e-steffen

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 8

Forward Citations = 252(Granted Patents)


Company Filing History:

goldMedal10 out of 81 
 
Dickey-John Corporation
 patents

Years Active: 1976-1998

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10 patents (USPTO):Explore Patents
1. 5819512 - Apparatus and method for sensing material build-up (1998-10-13),
2. 4555624 - High rate seed sensor (1985-11-26),
3. 4307390 - Corn and soybean sensor (1981-12-22),
4. 4277833 - Planter population monitor (1981-07-07),
5. 4262288 - Electronic disabling switch (1981-04-14),
6. 4225930 - Planter population monitor (1980-09-30),
7. 4166948 - Seed sensor (1979-09-04),
8. 4137529 - Calibrated tuneable monitor (1979-01-30),
9. 4085862 - Automatically controlled seed planter (1978-04-25),
10. 3974377 - Solid state seed sensor (1976-08-10),

Title: The Inventor David E Steffen: Pioneering Innovations in Chatham, IL

Introduction: David E Steffen is a renowned inventor based in Chatham, IL, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: David E Steffen holds several patents in diverse areas, showcasing his versatility and ingenuity in inventing new solutions to complex problems.

Career Highlights: Throughout his illustrious career, David E Steffen has consistently pushed the boundaries of innovation, with his inventions making a significant impact in industries such as technology, healthcare, and sustainability.

Collaborations: David E Steffen has collaborated with leading companies, research institutions, and universities to further develop and implement his inventions, demonstrating his commitment to driving progress through teamwork and shared expertise.

Conclusion: David E Steffen's remarkable journey as an inventor continues to inspire and shape the future of innovation, leaving a lasting legacy in the world of inventions and patents.

Profile summary based on public USPTO records.
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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