Lubbock, TX, United States of America

James F Lea, Jr

This inventor holds 7 USPTO granted patents. Top assignees: Sun Oil Company (Delaware), Other. Active years: 1976-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James F Lea, Jr. Retrieved from https://idiyas.com/inventor/james-f-lea-jr

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 = 1.2

ph-index = 4

Forward Citations = 42(Granted Patents)


Location History:

  • Richardson, TX (US) (1976)
  • Lubbock, TX (US) (2011 - 2020)

Company Filing History:


Years Active: 1976-2020

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7 patents (USPTO):Explore Patents

Title: Innovations of Inventor James F Lea, Jr.

Introduction

James F Lea, Jr. is a prominent inventor based in Lubbock, TX, known for his significant contributions to the field of engineering and pump systems. With a total of seven patents to his name, Lea has been an important figure in enhancing operational efficiency in well pump technology.

Latest Patents

Lea's latest innovations include two noteworthy patents. The first is for an "Adjusting Speed During Beam Pump Cycle Using Variable Speed Drive." This patent addresses the mechanics of downhole pumping by utilizing a load calculator that determines the loading on sucker rods during a pump cycle. The introduction of a variable speed driver allows for real-time adjustments in speed, which smooth out the rod load during operations, facilitating better control and efficiency.

The second patent, titled "Plunger Lift Slug Controller," presents a method for managing the liquid load size in a plunger lift well. It involves controlling the rise of the plunger during periods of well shutdown. By dynamically adjusting the size of the liquid slug, the method ensures that the plunger can rise effectively without stalling or moving too quickly. This innovative approach enhances the operational reliability of plunger lift systems.

Career Highlights

Throughout his career, James F Lea, Jr. has worked with various organizations that have allowed him to refine his skills and expand his knowledge. Notably, he has been associated with Sun Oil Company, where he contributed to the development and implementation of complex pumping solutions. His extensive experience in the field has played a significant role in leading to his innovative patents.

Collaborations

Lea has collaborated with several colleagues throughout his career, including Joseph E Zupanick and William S Bradley. Their shared insights and expertise have undoubtedly influenced his work and the advancements in technology they have pursued together.

Conclusion

James F Lea, Jr.'s contributions to pump systems and well technology underscore his role as an influential inventor in Lubbock, TX. His innovative patents reflect a deep understanding of the intricacies involved in enhancing operational efficiency. As he continues to develop new solutions, Lea's work remains invaluable in the ongoing evolution of engineering practices within the industry.

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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