Lutherville, MD, United States of America

Donald W Zurwelle

This inventor holds 58 USPTO granted patents and 1 EPO patent, primarily in Power Tools (CPC class D 8 ). Top assignees: Black Decker Inc., Pullman-Holt Corporation. Active years: 1985-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald W Zurwelle. Retrieved from https://idiyas.com/inventor/donald-w-zurwelle

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

Calculating rank

% Patents Active = 98.3


Average Co-Inventor Count = 1.4

ph-index = 25

Forward Citations = 1,570(Granted Patents)

Forward Citations (Not Self Cited) = 1,526(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 1985-2007

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Areas of Expertise:
Laser Level
Power Tool
Circular Saw
Drill
Battery Pack
Screwdriver
Hammer Drill
Vacuum Cleaner
Protective Assembly
Keyless Chuck
Reciprocating Saw
Kit Box
58 patents (USPTO):Explore Patents

Title: Donald W. Zurwelle: A Pioneer in Light Detection Innovations

Introduction

Donald W. Zurwelle, a notable inventor based in Lutherville, MD, has made significant contributions to the field of light detection technology. With an impressive record of 58 patents, he has developed innovative solutions that enhance the functionality and efficiency of light detection devices.

Latest Patents

Among his latest patents is a surface mountable assembly for a line generating device. This invention features a light detector with a housing that consists of front and rear walls, a light receiving section located on the front wall, and displays on both walls that indicate the location of received light in relation to the light receiving section. Additionally, he has designed a laser level that includes a motor and a shaft, with a housing affixed to the shaft. The housing contains a bore, a barrel, and a screw that contracts the barrel, allowing for precise adjustments of the barrel's pivotal position.

Career Highlights

Donald W. Zurwelle has had an impressive career working for well-known companies such as Black & Decker Corporation and Pullman-Holt Corporation. His experiences in these organizations have undoubtedly shaped his innovative approach to developing cutting-edge light detection technologies.

Collaborations

Throughout his journey, Donald has collaborated with various talented individuals, including his coworkers Meyric K. Rogers and Bruce M. Waters. These partnerships have contributed to the development and refinement of his patents, showcasing the importance of teamwork in driving innovation.

Conclusion

Donald W. Zurwelle's contributions to the field of light detection through his numerous patents highlight his role as a leading inventor. His innovative designs not only reflect his technical expertise but also his commitment to enhancing the functionality of light detection devices in various applications. As technology continues to evolve, Zuwelle's work stands as a testament to the impact that dedicated inventors can have in shaping the future.

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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