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For the Inventor, By the Inventor

Houston, TX, United States of America

Harold Gordon Riordan

This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignee: Chevron U.s.a. Inc.. Active years: 2023-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harold Gordon Riordan. Retrieved from https://idiyas.com/inventor/harold-gordon-riordan

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 1


Company Filing History:

goldMedal4 out of 2,555 
 
Chevron U.s.a. Inc.
 patents

Years Active: 2023-2026

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4 patents (USPTO):Explore Patents
1. 12584382 - Systems and methods for pipe conveyed gravel pack (2026-03-24),
2. 12359536 - Subsea heat removal system (2025-07-15),
3. 11851987 - Obstruction relief in subterranean wellbores (2023-12-26),
4. 11828152 - Hydrofracturing applications utilizing drilling cuttings for enhancement of wellbore permeability (2023-11-28),

Title: Harold Gordon Riordan: Innovator in Subsea Technology

Introduction

Harold Gordon Riordan is a notable inventor based in Houston, TX (US). He has made significant contributions to subsea technology, holding a total of 4 patents. His work focuses on innovative solutions for heat removal and obstruction relief in subterranean wellbores.

Latest Patents

One of his latest patents is a subsea heat removal system. This system includes an inflow line connected to a pump, allowing cooling fluid to flow through it. It also features a thermal transfer device that communicates thermally with an electrical device located in a wellbore. Additionally, the system has an outflow line designed to carry heated cooling fluid back to the surface. Another important patent is for an obstruction relief tool. This tool consists of multiple walls, including an inner wall that forms a cavity. It is equipped with an actuation device that opens apertures to relieve obstructions within the wellbore.

Career Highlights

Harold works at Chevron U.S.A. Inc., where he applies his expertise in subsea technology. His innovative designs have the potential to enhance operational efficiency in underwater environments.

Collaborations

He collaborates with talented coworkers, including Alvaro Jose Arrazola and Robert Neil Trotter. Their combined efforts contribute to the advancement of technology in the energy sector.

Conclusion

Harold Gordon Riordan is a distinguished inventor whose work in subsea technology is paving the way for future innovations. His patents reflect a commitment to solving complex challenges 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]
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