Ottumwa, IA, United States of America

Henry Dennis Anstey

This inventor holds 97 USPTO granted patents and 4 published patent applications, plus 7 CIPO patents and 24 EPO patents, primarily in Agricultural Baling Technology (CPC class A01F15-0883). Top assignees: Deere & Company, Tama Plastic Industry. Active years: 1977-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Henry Dennis Anstey. Retrieved from https://idiyas.com/inventor/henry-dennis-anstey

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

USPTO Granted Patents = 97 

% Patents Active = 99.0

 

 

Average Co-Inventor Count = 2.2

ph-index = 17

Forward Citations = 860(Granted Patents)

Forward Citations (Not Self Cited) = 781(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 1977-2025

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Areas of Expertise:
Bale Wrap Mechanism
Variable Rate Discharge
Agricultural Baler
Dual Auger
Bale Storage System
Crop Accumulator
Hydraulic System
Material Wrap System
Bale Control Device
Crop-Package Transfer
Baler Control System
Over-Center Linkage
97 patents (USPTO):Explore Patents

Title: Henry Dennis Anstey: Innovator Extraordinaire from Ottumwa

Introduction:

Henry Dennis Anstey, a prolific inventor from Ottumwa, Iowa, has left an indelible mark on the world of agricultural innovations with his numerous patents. With a total of 96 patents to his name, Anstey has dedicated his career to designing game-changing systems and mechanisms that have revolutionized the farming industry. This article delves into his latest patents, career highlights, collaborations, and the impact of his ingenuity on the agricultural landscape.

Latest Patents:

One of Anstey's recent inventions is the "Variable Rate Discharge System for Crop Accumulator." This groundbreaking system regulates the speed at which harvested crops are discharged from a crop accumulator onto the field. By employing a discharge mechanism and a speed measurement device, the processor adjusts the discharge mechanism to ensure that the harvested crop has a net zero speed as it contacts the ground. This innovation optimizes the efficiency of crop discharge, making the entire process more seamless and precise.

Another remarkable invention by Anstey is the "External Belt Guide for Round Baler." This mechanism enhances the functionality of balers, specifically those equipped with a bale forming chamber and belts to create crop bales. The external belt guide, coupled to the baler, incorporates a protrusion that guides the belt inwardly towards the bale forming chamber. This ingenious addition improves the baler's overall performance by ensuring smooth and efficient bale formation.

Career Highlights:

Throughout his remarkable career, Anstey has made significant contributions to renowned companies in the agricultural sector. He has worked with industry giants such as Deere & Company, a stalwart in agricultural equipment manufacturing, and Tama Plastic Industry, a pioneering company specializing in the production of plastic products for the agriculture sector. Anstey's time at these organizations has undoubtedly played a key role in shaping his expertise and fostering his innovative mindset.

Collaborations:

Henry Dennis Anstey has had the privilege of collaborating with several notable individuals in his journey of innovation. One such collaborator is Timothy James Kraus, a renowned engineer and inventor in the field of agricultural technology. Together, they synergized their expertise to develop cutting-edge solutions for enhancing crop harvest and handling systems. Anstey has also worked closely with Jean Viaud, an accomplished agricultural scientist, to refine and optimize his inventions for maximum efficiency and practicality.

Conclusion:

Henry Dennis Anstey's unparalleled ingenuity and continuous pursuit of agricultural innovation have earned him a place of distinction within the farming community. Through his impressive portfolio of 96 patents, including his latest inventions for optimizing crop discharge and improving baler functionality, Anstey has undoubtedly transformed the landscape of modern farming practices. As an inventor and contributor to the agricultural industry, Anstey's contributions will continue to shape the future of farming, making him a true visionary in the field of agricultural innovations.

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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