Leonard, MI, United States of America

Charles H Olk

This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1991-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles H Olk. Retrieved from https://idiyas.com/inventor/charles-h-olk

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 119(Granted Patents)


Company Filing History:


Years Active: 1991-2012

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3 patents (USPTO):Explore Patents

Title: Charles H. Olk and His Patent Contributions.

Introduction

Charles H. Olk is an inventor based in Leonard, Michigan. His work includes inventions related to fuel-cell components and carbon nanotube production. He is associated with GM Global Technology Operations, Inc., and holds 3 patents.

Latest Patents

One of Olk’s patents, “Development of High Energy Surfaces on Stainless Steels for Improved Wettability,” describes a bipolar plate for a fuel-cell stack. The plate has a metal body with at least one flow channel. Silicon on the channel surface creates a high-energy surface designed to improve wettability. The patent describes adding silicon to steel, with the amount selected according to the desired wettability.

Another patent, “Method for Making Carbon Nanotubes,” describes producing nanotubes by submerging carbonaceous anode and cathode electrodes in liquid nitrogen or another suitable liquefied material. Passing direct current between the electrodes creates a plasma arc that erodes carbon from the anode and deposits carbon nanotubes on the cathode.

Career Highlights

Olk’s patent portfolio reflects work on materials and manufacturing processes. His disclosed inventions address surface properties in fuel-cell components and an approach to producing carbon nanotubes.

Collaborations

Olk is associated with GM Global Technology Operations, Inc. His listed coworkers include Keith E. Newman and Gayatri Vyas.

Conclusion

Charles H. Olk’s patents document contributions to fuel-cell plate wettability and carbon nanotube production, highlighting his work in materials-focused innovation.

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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