Albany, OR, United States of America

Donald R Gradwohl

This inventor holds 2 USPTO granted patents. Top assignee: Other. Active years: 1980-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald R Gradwohl. Retrieved from https://idiyas.com/inventor/donald-r-gradwohl

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


% Patents Active = 50.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 43(Granted Patents)


Location History:

  • Tualatin, OR (US) (1980)
  • Albany, OR (US) (2011)

Company Filing History:

goldMedal2 out of 834,513 
Other
 patents

Years Active: 1980-2011

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2 patents (USPTO):Explore Patents

Title: Innovations by Donald R Gradwohl

Introduction

Donald R Gradwohl is an inventive mind based in Albany, OR (US). He has made significant contributions to the field of innovation, holding a total of 2 patents. His work reflects a commitment to enhancing technology and improving everyday tools.

Latest Patents

One of Gradwohl's latest inventions is the Wind Driven Power Generator. This innovative device features a rotational shroud assembly designed to maximize wind input. The turbine assembly includes a shaft that rotates within the shroud, with elongate arms attached to the top portion of the shaft. Each arm is perpendicular to the shaft and has vertical wind blades attached at the ends, spaced equidistantly around the shaft. The shroud assembly covers approximately half of the turbine assembly during rotation, ensuring a windward direction for optimal wind exposure on the blade fronts while shielding the back sides from incoming wind.

Another notable invention is the Convertible Hand Truck-Wagon. This versatile hand truck can be converted into a steerable wagon through a steering assembly that fastens to the hand truck handles. The design includes a body member and bottom member that attach to the frame of the hand truck, forming the side walls and bottom of the wagon.

Career Highlights

Throughout his career, Gradwohl has demonstrated a strong ability to innovate and create practical solutions. His inventions showcase his understanding of mechanics and design, contributing to advancements in both energy generation and transportation.

Collaborations

Gradwohl has worked alongside his coworker, Jonald R Gradwohl, fostering a collaborative environment that encourages creativity and innovation.

Conclusion

Donald R Gradwohl's contributions to innovation through his patents highlight his inventive spirit and dedication to improving technology. His work continues to inspire advancements in various fields.

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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