Midland, TX, United States of America

David E Ellwood

This inventor holds 7 USPTO granted patents. Top assignee: Marathon Oil Company. Active years: 1990-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David E Ellwood. Retrieved from https://idiyas.com/inventor/david-e-ellwood

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


% Patents Active = 85.7

Average Co-Inventor Count = 1.5

ph-index = 7

Forward Citations = 131(Granted Patents)


Location History:

  • Iraan, TX (US) (1990)
  • Midland, TX (US) (1992 - 1996)
  • Alpine, TX (US) (1998)
  • Spring, TX (US) (2004)

Company Filing History:


Years Active: 1990-2004

Loading Chart...
7 patents (USPTO):Explore Patents

Title: Innovator Spotlight on David E. Ellwood

Introduction

David E. Ellwood is an accomplished inventor based in Midland, TX, with a robust portfolio of seven patents. His work primarily revolves around enhancing efficiency and functionality within the oil and gas industry, demonstrating his ingenuity and expertise in engineering solutions.

Latest Patents

Among his notable patents, two stand out for their innovative design and application. The first is a **Gas-liquid separator positionable down hole in a well bore**, which features a sophisticated structure designed to separate gas and liquid efficiently in a downhole environment. This invention includes an external tube and an internal tube that create a defined gas flowpath and a reduced-gas fluid flowpath. The design ensures effective separation of free gas from liquid through a clever flow channel mechanism.

The second patent, **Method and assembly for igniting a burner assembly**, describes an advanced technique for igniting burners using a pyrophoric liquid. This method involves transporting the pyrophoric liquid from a container to a slug launching chamber, which then integrates into the burner system. The innovation emphasizes safety and efficiency in the handling and ignition of the fuel.

Career Highlights

David E. Ellwood holds a critical position within Marathon Oil Company, where he applies his inventive skills to drive progress in oil extraction technologies. His contributions to the field have been instrumental in improving operational efficiencies and safety measures in complex drilling environments.

Collaborations

Throughout his career, David has collaborated with talented professionals such as Jared C. Hall and James A. Tomlinson. These collaborations have fostered a creative environment, allowing David to refine his inventions and contribute to meaningful advancements in their respective projects.

Conclusion

David E. Ellwood exemplifies the spirit of innovation in the oil and gas sector. Through his patents and collaborative efforts, he not only enhances commercial operations at Marathon Oil Company but also reinforces the importance of inventive thinking in addressing industry challenges. His work serves as an inspiration for future inventors aspiring to make their mark in the field.

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]
Loading…