Tyler, TX, United States of America

Roy Randall Crawford

This inventor holds 9 USPTO granted patents and 6 published patent applications. Top assignees: Trane International Inc., Johnson Controls Technology Company. Active years: 2012-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roy Randall Crawford. Retrieved from https://idiyas.com/inventor/roy-randall-crawford

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

USPTO Granted Patents = 9 

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 188(Granted Patents)


Location History:

  • Tyler, TX (US) (2012 - 2016)
  • Blanchard, OK (US) (2021 - 2024)

Company Filing History:


Years Active: 2012-2024

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9 patents (USPTO):Explore Patents

Title: Roy Randall Crawford: Innovator in Ventilation Technology

Introduction

Roy Randall Crawford is a notable inventor based in Tyler, Texas, with a remarkable portfolio of nine patents. His work primarily focuses on advancements in ventilation systems, showcasing his commitment to improving indoor air quality and energy efficiency.

Latest Patents

Crawford's latest patents include a ventilation controller designed for buildings. This innovative system features a main HVAC blower that circulates temperature-conditioned air, complemented by a smaller ventilation blower that introduces fresh air. The controller intelligently regulates the speed of the ventilation blower to maintain a target ventilation flow rate, adapting to changes in pressure differentials between indoor and outdoor air. The target flow rate is tailored to the specific characteristics of the building, taking into account the number of bedrooms and the total floor space.

Another significant patent involves a variable geometry housing for a centrifugal blower. This design includes a first and second housing section, with an intake port that spans both sections. The outlet port's dimensions decrease as it approaches the blower's length, optimizing airflow and efficiency.

Career Highlights

Throughout his career, Crawford has contributed to leading companies in the industry, including Trane International Inc. and Johnson Controls Technology Company. His work in these organizations has allowed him to apply his innovative ideas and develop practical solutions for modern ventilation challenges.

Collaborations

Crawford has collaborated with talented individuals such as Robert Wayne Helt and Jason Thomas LeRoy, further enhancing his contributions to the field of ventilation technology.

Conclusion

Roy Randall Crawford's inventive spirit and dedication to improving ventilation systems have made a significant impact in the industry. His patents reflect a deep understanding of the complexities of indoor air quality and energy efficiency.

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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