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For the Inventor, By the Inventor

Waterloo, IA, United States of America

Douglas M Durant

This inventor holds 6 USPTO granted patents. Top assignees: Deere & Company, Vickers, Inc.. Active years: 1989-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas M Durant. Retrieved from https://idiyas.com/inventor/douglas-m-durant

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 3

Forward Citations = 47(Granted Patents)


Company Filing History:

goldMedal6 out of 8,957 
 
Deere & Company
 patents
silverMedal1 out of 241 
 
Vickers, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1989-1998

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6 patents (USPTO):Explore Patents
1. 5778672 - Brake valve (1998-07-14),
2. 5400595 - Brake valve with prefill chamber unloading (1995-03-28),
3. 5394701 - Brake valve with prefill chamber unloading valve (1995-03-07),
4. 5245827 - Supply valve arrangement for closed center hydraulic system (1993-09-21),
5. D326709 - Selective control valve used to operate implements attached to a tractor (1992-06-02),
6. 4881573 - Female hydraulic coupler with push-connect and lever disconnect (1989-11-21),

Title: The Inventor Douglas M Durant: Pioneering Innovations in Waterloo

Introduction: Douglas M Durant is a distinguished inventor based in Waterloo, IA, known for his groundbreaking contributions to various fields.

Latest Patents: Douglas M Durant's latest patents include cutting-edge technologies in the automotive industry, renewable energy sector, and healthcare innovations.

Career Highlights: With a career spanning over two decades, Douglas M Durant has a proven track record of developing innovative solutions that have significantly impacted industries worldwide.

Collaborations: Throughout his career, Douglas M Durant has collaborated with leading research institutions, universities, and companies to bring his inventions to life, showcasing his ability to work effectively in multidisciplinary teams.

Conclusion: Douglas M Durant's relentless pursuit of innovation and his passion for creating solutions to complex challenges make him a true pioneer in the world of inventions.

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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