This inventor holds 1 USPTO granted patent. Top assignees: Sandvik Rock Tools, Inc., The Tensar Corporation. Active years: 1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 1999
Title: C Dempsey Holstein, Jr.: Innovator in Mine Ventilation Control
Introduction
C Dempsey Holstein, Jr. is a notable inventor based in Hilltop, West Virginia, recognized for his contributions to mine safety and ventilation control. He holds a patent that addresses critical challenges in mine tunnel environments, enhancing safety and efficiency.
Latest Patents
Holstein's patent, titled "Mine stopping," introduces a ventilation control device designed for quick construction using an easily transportable matrix material. This innovative solution provides a rigid flame retardant barrier wall, crucial for maintaining safe air flow in mine tunnels. The design features a peripheral frame that secures a composite matrix material, which includes a strong grid material bonded to a textile sheet. This configuration not only spans the apertures of the geogrid but also incorporates a sealant composition to prevent air passage and enhance structural rigidity.
Career Highlights
Throughout his career, Holstein has worked with prominent companies in the mining and construction sectors. He has been associated with The Tensar Corporation and Sandvik Rock Tools, Inc., where he contributed his expertise in developing innovative solutions for mine safety.
Collaborations
Holstein has collaborated with notable professionals in his field, including John E Steffenino and Timothy J Shean. These partnerships have likely enriched his work and contributed to the advancement of mine ventilation technologies.
Conclusion
C Dempsey Holstein, Jr. stands out as an inventor dedicated to improving mine safety through innovative ventilation solutions. His patent reflects a significant advancement in the field, showcasing his commitment to enhancing the safety and efficiency of mining operations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile