Dubuque, IA, United States of America

Leroy Ernest Kraske

This inventor holds 6 USPTO granted patents and 1 published patent application, plus 2 CIPO patents. Top assignees: Deere & Company, Jrb Company, Inc.. Active years: 1976-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leroy Ernest Kraske. Retrieved from https://idiyas.com/inventor/leroy-ernest-kraske

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

USPTO Granted Patents = 6 

% Patents Active = 83.3


Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 69(Granted Patents)


Company Filing History:


Years Active: 1976-2014

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6 patents (USPTO):Explore Patents

Title: Leroy Ernest Kraske: Innovator in Work Vehicle Technology

Introduction

Leroy Ernest Kraske is a notable inventor based in Dubuque, IA (US). He has made significant contributions to the field of work vehicle technology, holding a total of 6 patents. His innovative designs have improved the functionality and efficiency of various machinery.

Latest Patents

Kraske's latest patents include the "Ripper assembly with direct load path" and the "Wrenchless adjustable/compliant moldboard insert." The ripper assembly patent describes a work vehicle, such as a motor grader, that features a frame, a ripper, and a tie bar. This design incorporates a four-bar linkage that effectively transfers loads between the ripper and the frame. The four-bar linkage and tie bar are co-planar, allowing for enhanced movement relative to the frame. The moldboard insert patent introduces a grader-blade retainer assembly that allows for side-to-side movement of the blade. This design provides a compliant attachment of the upper retainer assembly to the grader-blade assembly, facilitating adjustments without the need for hand tools.

Career Highlights

Throughout his career, Kraske has worked with prominent companies such as Deere & Company and JRB Company, Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions for work vehicles.

Collaborations

Kraske has collaborated with notable coworkers, including Thomas E. Gebauer and Neil Vincent Harber. Their combined efforts have led to advancements in the technology used in work vehicles.

Conclusion

Leroy Ernest Kraske's contributions to work vehicle technology through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to impact the industry positively.

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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