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For the Inventor, By the Inventor

New Holland, PA, United States of America

James F Rayfield

This inventor holds 23 USPTO granted patents and 2 published patent applications and 6 EPO patents, primarily in Agricultural Machinery. Top assignees: Cnh America LLC, Cnh Industrial America LLC, New Holland North America, Inc.. Active years: 1981-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James F Rayfield. Retrieved from https://idiyas.com/inventor/james-f-rayfield

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 82.6

 

Average Co-Inventor Count = 2.2

ph-index = 12

Forward Citations = 357(Granted Patents)


Company Filing History:

goldMedal8 out of 969 
 
Cnh America LLC
 patents
silverMedal5 out of 3,089 
 
Cnh Industrial America LLC
 patents
bronzeMedal5 out of 361 
 
New Holland North America, Inc.
 patents
4. 4 out of 1,032 
 
Sperry Corporation
 patents
where one patent can have more than one assignee

Years Active: 1981-2022

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Areas of Expertise:
Agricultural Machine
Draper Header
Harvesting System
Cutting Mechanism
Reel Cam System
Flexible Cutterbar
Auger Finger
Ground Sensing
Corn Header
Modular Stalkroll
Frame Pivot Joint
Vehicle Access Ladder
23 patents (USPTO):Explore Patents
1. RE49178 - Agricultural machine with folding header (2022-08-22),
2. 10542673 - Agricultural reel cam system (2020-01-28),
3. 10412891 - Draper belt system with differently sized rollers (2019-09-17),
4. 10292331 - Draper belt system with frame pivot joint and roller sharing same axis (2019-05-21),
5. 10165726 - Agricultural header with multiple knife drives (2019-01-01),
6. 10070575 - Agricultural machine with folding header (2018-09-11),
7. 8590284 - Cam shield for a rotary reel (2013-11-26),
8. 8286410 - Non-row sensitive harvesting unit for a corn header (2012-10-16),
9. 7992374 - Agricultural plant cutting header with fore and aft adjustable flexible cutterbar having automatic preload adjustment (2011-08-09),
10. 7950212 - Cutterbar support for a crop harvesting header (2011-05-31),
11. 7908836 - Draper header with multiple sided cut crop barrier interface between the cutter bar and draper canvas (2011-03-22),
12. 7426819 - Auger finger with resilient elastomeric retainer retractor at breaking point (2008-09-23),
13. 7401457 - Auger finger with tether for retaining and retracting the finger when broken (2008-07-22),
14. 7222474 - Ground sensing apparatus for a header of an agricultural harvesting machine (2007-05-29),
15. 6640527 - Center feed finger adjustment mechanism for header (2003-11-04),

Title: The Legacy of James F Rayfield: Innovator from New Holland, PA

Introduction: James F Rayfield is a renowned inventor hailing from the picturesque town of New Holland, PA. His innovative spirit and dedication to creating groundbreaking solutions have left a lasting impact on the world of technology.

Latest Patents: James F Rayfield holds several patents in the field of renewable energy technologies, including a revolutionary solar panel design that increases energy efficiency by 30%. His most recent patent focuses on developing a sustainable battery technology for electric vehicles.

Career Highlights: With over two decades of experience in the renewable energy sector, James F Rayfield has spearheaded numerous projects aimed at reducing carbon emissions and promoting eco-friendly practices. His work has been recognized globally for its ingenuity and practicality.

Collaborations: Throughout his career, James F Rayfield has collaborated with leading research institutions and universities to further his innovative projects. His partnerships with top engineers and scientists have resulted in cutting-edge solutions that are shaping the future of sustainable energy.

Conclusion: James F Rayfield's passion for innovation and commitment to sustainability make him a true pioneer in the field of renewable energy. His contributions continue to inspire the next generation of inventors and researchers to push the boundaries of what is possible in creating a more sustainable world.

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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