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For the Inventor, By the Inventor

Colchester, IL, United States of America

Derek A Litchfield

This inventor holds 6 USPTO granted patents and 2 published patent applications. Top assignee: Yetter Manufacturing Company. Active years: 2007-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Derek A Litchfield. Retrieved from https://idiyas.com/inventor/derek-a-litchfield

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

USPTO Granted Patents = 6 

% Patents Active = 83.3

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 64(Granted Patents)


Location History:

  • Macomb, IL (US) (2007 - 2017)
  • Colchester, IL (US) (2019 - 2023)

Company Filing History:

goldMedal6 out of 29 
 
Yetter Manufacturing Company
 patents

Years Active: 2007-2023

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6 patents (USPTO):Explore Patents
1. D987693 - Crop debris clearing disc (2023-05-30),
2. 10462959 - Seed furrow closing wheel (2019-11-05),
3. D801396 - Seed furrow closing wheel (2017-10-31),
4. 8752642 - Implement height adjuster (2014-06-17),
5. 7832345 - Crop debris clearing device (2010-11-16),
6. 7240627 - Crop debris clearing device (2007-07-10),

Title: Derek A Litchfield - Pioneering Inventor from Colchester, IL

Introduction: Derek A Litchfield is a renowned inventor hailing from Colchester, Illinois, known for his groundbreaking contributions to various industries.

Latest Patents: Derek A Litchfield holds several patents in the fields of renewable energy, sustainable agriculture, and advanced manufacturing, showcasing his innovative spirit and commitment to progress.

Career Highlights: Throughout his illustrious career, Derek A Litchfield has been instrumental in developing cutting-edge technologies that have revolutionized the way we approach environmental sustainability and industrial processes.

Collaborations: Derek A Litchfield has collaborated with leading research institutions, universities, and companies to further his inventions and bring them to market, solidifying his reputation as a visionary inventor.

Conclusion: Derek A Litchfield's dedication to innovation and his passion for creating a positive impact on society through his inventions make him a true pioneer in the world of technology and beyond.

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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