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For the Inventor, By the Inventor

Rosemount, MN, United States of America

Andrew J Kjolhaug

This inventor holds 5 USPTO granted patents. Top assignee: The Toro Company. Active years: 2012-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andrew J Kjolhaug. Retrieved from https://idiyas.com/inventor/andrew-j-kjolhaug

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 12(Granted Patents)


Company Filing History:

goldMedal5 out of 855 
 
The Toro Company
 patents

Years Active: 2012-2018

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5 patents (USPTO):Explore Patents
1. 10046214 - Powered vehicle and rakes mountable thereon for grooming granular ground surfaces (2018-08-14),
2. D802026 - Zero radius turn sand grooming vehicle (2017-11-07),
3. 9572416 - Turf groomer for natural and artificial turf surfaces (2017-02-21),
4. D759125 - Zero radius turn sand grooming vehicle (2016-06-14),
5. 8152480 - Vehicle mounted water pump assembly for pumping out water filled depressions in the ground (2012-04-10),

Title: Innovations by Andrew J Kjolhaug

Introduction

Andrew J Kjolhaug is an accomplished inventor based in Rosemount, MN (US). He has made significant contributions to the field of vehicle attachments and grooming technologies, holding a total of 5 patents. His innovative designs focus on enhancing the efficiency and effectiveness of grooming granular surfaces, particularly in golf course maintenance.

Latest Patents

One of his latest patents is for a powered vehicle and rakes mountable thereon for grooming granular ground surfaces. This invention features a vehicle-attached rake that includes a center section and two pivotal wing sections. These sections carry rubber trowel members with a serrated lower edge that forms a series of downwardly extending teeth. The design allows for better grooming of upwardly curved side walls in golf course bunkers. Additionally, when the rake is attached to a zero-radius turn (ZRT) vehicle, the wing section on the inside of the turn is automatically lifted off the granular surface by a flexible tether. Another embodiment of the rake includes a rigid plate that acts as a bulldozer blade during reverse motion, enhancing its functionality.

Career Highlights

Andrew J Kjolhaug is currently employed at The Toro Company, where he continues to innovate and develop new technologies. His work has significantly impacted the landscaping and golf course maintenance industries, providing solutions that improve operational efficiency.

Collaborations

Throughout his career, Andrew has collaborated with notable colleagues, including Cal N Kosieracki and Joseph P Thelen. These partnerships have fostered a creative environment that encourages the development of groundbreaking inventions.

Conclusion

Andrew J Kjolhaug's contributions to the field of vehicle attachments and grooming technologies demonstrate his commitment to innovation. His patents reflect a deep understanding of the needs within the landscaping industry, making him a valuable asset to The Toro Company and the broader community.

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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