Troutdale, OR, United States of America

Charles L Groghan

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles L Groghan. Retrieved from https://idiyas.com/inventor/charles-l-groghan

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:

goldMedal1 out of 834,453 
Other
 patents

Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Charles L Groghan

Introduction

Charles L Groghan is an accomplished inventor based in Troutdale, OR (US). He is known for his innovative work in the field of woodworking machinery. His contributions have significantly impacted the efficiency and precision of woodworking processes.

Latest Patents

Charles L Groghan holds a patent for a "Plunge Jointer for Planer Knives." This invention features a base that is secured to the support frame of a planer. It supports a slide that can move toward and away from the planar knife head. The slide is designed to hold a grinding stone, and a lever connects the base and the slide to facilitate movement. The design includes a guard for the knife head with an opening that allows the jointing apparatus to function effectively. An adjustable stop is also incorporated to ensure precision during jointing operations. He has 1 patent to his name.

Career Highlights

Throughout his career, Groghan has demonstrated a commitment to enhancing woodworking technology. His inventions have been instrumental in improving the quality and efficiency of woodworking tasks. His innovative spirit continues to inspire others in the field.

Collaborations

Charles has worked alongside David J Johnson, contributing to the development of advanced woodworking solutions. Their collaboration has led to significant advancements in the industry.

Conclusion

Charles L Groghan's contributions to woodworking technology through his innovative inventions have made a lasting impact. His dedication to improving efficiency and precision in woodworking processes is commendable.

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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