Lancaster, PA, United States of America

Charles R Culp

This inventor holds 3 USPTO granted patents. Top assignees: Armstrong World Industries, Inc., Armstrong Cork Company. Active years: 1981-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles R Culp. Retrieved from https://idiyas.com/inventor/charles-r-culp

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 = 1.6

ph-index = 3

Forward Citations = 47(Granted Patents)


Company Filing History:


Years Active: 1981-1984

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Charles R. Culp

Introduction

Charles R. Culp is a notable inventor based in Lancaster, PA (US). He has made significant contributions to the field of invention, holding a total of 3 patents. His work primarily focuses on advancements in stencil plate manufacturing and optical transparency technologies.

Latest Patents

One of Culp's latest patents is a method of making a stencil plate. This innovative process utilizes electroplating rather than traditional steel fabrication. A resist material and a film are applied to a matrix, and through conventional photoresist operations, a resist coating is formed in the shape of the desired apertures. Metal is then electroplated onto the matrix, creating a stencil plate. Additionally, another resist coating can be applied over the first plated material, allowing for further openings to be formed and filled with plating material, resulting in a color dams structure around the original stencil plate openings.

Another significant patent involves a transparency and a method for forming it, along with a photographic mask. This invention features a composite two-layer transparent structure with a contoured interface. The transparency is created by forming a first conformed transparent layer on a contoured substrate surface, followed by a second layer. One of these layers is uniformly colored, while the other may be uncolored or have a different color intensity. This design allows light to pass through in substantially unrefracted rays, enhancing the optical properties of the transparency.

Career Highlights

Throughout his career, Charles R. Culp has worked with prominent companies such as Armstrong World Industries, Inc. and Armstrong Cork Company. His experience in these organizations has contributed to his expertise in the field of invention and innovation.

Collaborations

Culp has collaborated with notable individuals in his field, including Larrimore B. Emmons and Walter J. Lewicki, Jr. These partnerships have likely enriched his work and expanded the impact of his inventions.

Conclusion

Charles R. Culp's innovative contributions to stencil plate manufacturing and optical transparency technologies highlight his significant role as an inventor. His patents reflect a commitment to advancing these fields, showcasing his expertise and creativity.

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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