Idledale, CO, United States of America

Frank Charles Zegler

This inventor holds 23 USPTO granted patents and 1 published patent application, primarily in Integrated Vehicle Fluids. Top assignees: United Launch Alliance, L.l.c., Lockheed Martin Corporation, Other. Active years: 1994-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frank Charles Zegler. Retrieved from https://idiyas.com/inventor/frank-charles-zegler

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

USPTO Granted Patents = 23 

% Patents Active = 82.6

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 153(Granted Patents)


Location History:

  • San Diego, CA (US) (1994)
  • Centennial, CO (US) (2012)
  • Idledale, CO (US) (2001 - 2024)

Company Filing History:


Years Active: 1994-2025

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Areas of Expertise:
Integrated Vehicle Fluids
Cryogenic Propellant Depot
Vapor Retention Device
Residual Fuel Transfer
High-Pressure Flow Path
Airborne Gas Storage
Slip Joint Duct System
Inflatable Bladder Valve
Multifunctional Valve
Launch Vehicle Systems
Fuel Duct
Reaction Control System
23 patents (USPTO):Explore Patents

Title: **Innovations of Frank Charles Zegler: A Pioneer in Space Vehicle Technology**

Introduction

Frank Charles Zegler, based in Idledale, Colorado, is a prominent inventor with an impressive portfolio of 21 patents. His work primarily focuses on innovations that enhance the functionality and efficiency of space vehicles. Zegler’s contributions to the aerospace industry have set the stage for advancements in propulsion technology and internal combustion systems, bolstering the capabilities of upper-stage launch vehicles.

Latest Patents

Zegler's most notable recent patents include innovations such as the "Vapor Retention Device" and "Integrated Vehicle Fluids." The vapor retention device offers methods to manage propellant in upper-stage space vehicles, facilitating the return of liquid propellant from the main engine back to the tank while preventing gaseous propellant exchange. This feature is critical for ensuring the stability and efficiency of propulsion systems during flight.

The Integrated Vehicle Fluids patent introduces a thermodynamic system for upper-stage space launch vehicles. This system utilizes gases from the propellant tanks to power an internal combustion engine, enabling the generation of electrical power to operate essential components such as compressors and fluid pumps. By leveraging system enthalpy, Zegler's design aims to increase propellant efficiency and enhance the overall performance and longevity of launch vehicles.

Career Highlights

Throughout his career, Frank Zegler has held significant positions at renowned aerospace firms, including United Launch Alliance, L.L.C. and Lockheed Martin Corporation. His work at these companies has been instrumental in developing cutting-edge technologies for launching spacecraft. Zegler's expertise and innovative mindset have made him a valuable asset in the aerospace sector, paving the way for future advancements.

Collaborations

Zegler has collaborated with esteemed professionals in the industry, including Bernard Friedrich Kutter and Michael B. Dean. These partnerships have fostered a collaborative environment that encourages creativity and innovation, contributing to the successful development of numerous projects in aerospace technology.

Conclusion

Frank Charles Zegler's innovations embody a relentless pursuit of excellence in aerospace technology. His patents not only contribute to the immediate functionality of space launch systems but also pave the way for future advancements. With a proven track record of developing groundbreaking solutions, Zegler stands out as a distinguished inventor whose impact on the field will resonate for years to come.

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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