Location History:
- Tyler, TX (US) (2012 - 2016)
- Blanchard, OK (US) (2021 - 2024)
Company Filing History:
8 out of 789 
1 out of 1,941 
Years Active: 2012-2024
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.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.