Ankeny, IA, United States of America

Dennis J Sullivan

This inventor holds 7 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent. Top assignees: Deere & Company, Other. Active years: 1977-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dennis J Sullivan. Retrieved from https://idiyas.com/inventor/dennis-j-sullivan-9vavr37t

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

Calculating rank
USPTO Granted Patents = 7 

% Patents Active = 100.0


Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 47(Granted Patents)


Location History:

  • Grangeville, ID (US) (1977 - 1979)
  • Ankeny, IA (US) (2020 - 2024)

Company Filing History:


Years Active: 1977-2024

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7 patents (USPTO):Explore Patents

Title: Dennis J Sullivan: Innovator in Agricultural Spraying Technology

Introduction

Dennis J Sullivan, an accomplished inventor based in Ankeny, IA, has made significant contributions to the field of agricultural technology. With a remarkable portfolio of 7 patents, his innovations primarily focus on enhancing spray systems for agricultural applications.

Latest Patents

Among his latest patents, Sullivan has developed several groundbreaking methods and devices that improve the efficiency and effectiveness of agricultural sprayers. One notable patent is the "Equalization of nozzle performance for sprayers." This invention outlines a method for equalizing a spray system by measuring the output flow rate or fluid pressure for various nozzles on a boom assembly. The method ensures accurate adjustments based on the tilt of the boom assembly, thereby optimizing spray operations.

Another significant patent from Sullivan is the "High resolution spray section height control and dynamic nozzle height adjustment." This invention features a spray boom designed to adjust the height of the spray pipe and nozzle automatically using an actuator. This innovation helps maintain the nozzle's positioning perpendicular to the underlying surface, which is crucial for effective fluid application.

Career Highlights

Throughout his career, Dennis has engaged with reputable companies, most notably Deere & Company. His experiences within this industry-leading organization have provided him with valuable insights into the agricultural sector and the challenges faced by farmers, informing his innovative solutions.

Collaborations

Dennis has worked alongside other talented professionals, including Richard Allen Humpal and Ryan P Davis. These collaborations have contributed to the refinement and execution of his inventive concepts, leading to the successful outcomes recognized in his patents.

Conclusion

Dennis J Sullivan exemplifies innovation in agricultural technology through his inventive patents and collaborative spirit. His work in improving spraying systems addresses critical needs in agriculture, ensuring better efficiency and productivity for farmers across the industry. As technologies advance, Sullivan's contributions will undoubtedly continue to influence the field, showcasing the importance of innovation in modern agriculture.

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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