Erie, PA, United States of America

Francis V Marchal

This inventor holds 4 USPTO granted patents. Top assignees: Autoclave Engineers, Ltd., Ber-Lo Manufacturing Company, Inc., Skinner Engine Company. Active years: 1979-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis V Marchal. Retrieved from https://idiyas.com/inventor/francis-v-marchal

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 = 1.2

ph-index = 4

Forward Citations = 46(Granted Patents)


Company Filing History:


Years Active: 1979-1995

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Francis V Marchal

Introduction

Francis V Marchal is a notable inventor based in Erie, PA, who has made significant contributions to the field of high-pressure fluid systems. With a total of four patents to his name, Marchal's work focuses on enhancing the efficiency and safety of fluid control mechanisms.

Latest Patents

Among his latest inventions is the "High Pressure Flow Valve with Pressure Assist Valve Seal." This innovative valve features a gland with a pressure assist chamber, a body with an inlet and outlet, and a seat positioned between them. The design includes a piston in the pressure assist chamber, which works in conjunction with a soft stem tip to ensure optimal fluid flow. Another significant patent is the "High Pressure Relief Valve," designed for use in fluid systems, whether gas or liquid, capable of withstanding pressures of 25,000 psi and above. This relief valve incorporates a valve body with an axial bore and multiple outlet orifices, ensuring zero leakage and reliable operation under extreme conditions.

Career Highlights

Francis V Marchal has worked with reputable companies such as Berlo Manufacturing Company, Inc. and Autoclave Engineers, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the development of advanced fluid control technologies.

Collaborations

Marchal has collaborated with talented individuals in his field, including Paul J Lipiec and Joseph W Wieger. These partnerships have fostered innovation and the sharing of ideas, further enhancing the impact of his work.

Conclusion

Francis V Marchal's contributions to high-pressure fluid systems through his patents and collaborations highlight his role as a significant inventor in the industry. His innovative designs continue to influence the field and improve the safety and efficiency of fluid control mechanisms.

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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