Hanover, KS, United States of America

Robert D Harlan

This inventor holds 3 USPTO granted patents. Top assignee: Landoll Corporation. Active years: 1992-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert D Harlan. Retrieved from https://idiyas.com/inventor/robert-d-harlan-iq7eypo7

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 76(Granted Patents)


Company Filing History:


Years Active: 1992-1998

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3 patents (USPTO):Explore Patents

Title: The Innovations of Robert D. Harlan

Introduction

Robert D. Harlan is a notable inventor based in Hanover, Kansas, known for his contributions to agricultural machinery. He holds a total of 3 patents that showcase his innovative approach to enhancing farming efficiency. His work primarily focuses on developing advanced planting and tillage equipment.

Latest Patents

One of Harlan's latest inventions is a folding seed planter. This innovative planter features a frame formed by first and second frame members that can shift longitudinally. It includes a primary fluid-actuated piston and cylinder assembly that allows the frame members to transition between retracted and extended positions. The planter assemblies are designed for pivotal movement, enabling them to switch between planting and transport positions seamlessly. Each assembly is equipped with a tool bar that supports multiple planting units, enhancing the planting process.

Another significant patent is a tillage implement with on-the-go depth control of angle adjustable discs. This implement allows the working depth of obliquely angled disc gangs to be adjusted from the tractor seat using a single hydraulic cylinder. The design incorporates mechanical linkages that facilitate simultaneous movement of all disc gangs. Special pivots enable manual angle adjustments without affecting depth, ensuring versatility and ease of use.

Career Highlights

Robert D. Harlan is currently employed at Landoll Corporation, where he continues to innovate in the field of agricultural machinery. His work has significantly impacted the efficiency of farming practices, making him a valuable asset to the company.

Collaborations

Harlan has collaborated with notable colleagues, including Donald R. Landoll and Wayne L. Carroll. Their combined expertise has contributed to the development of advanced agricultural solutions.

Conclusion

Robert D. Harlan's innovative spirit and dedication to improving agricultural technology are evident in his patents and career achievements. His contributions continue to shape the future of farming equipment, making a lasting impact on the industry.

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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