This inventor holds 13 USPTO granted patents and 5 published patent applications, plus 1 CIPO patent. Top assignees: Diversified Innovations Fund Lllp, Delta Thermal, Inc., Arete Associates. Active years: 2009-2025.
Company Filing History:
5 out of 5 
4 out of 4 
2 out of 66 
Years Active: 2009-2025
Title: The Innovative Contributions of Andrew James Griffis
Introduction
Andrew James Griffis is a notable inventor based in Tucson, AZ, with a remarkable portfolio of 12 patents. His work primarily focuses on enhancing safety and efficiency in various technological fields, particularly in rail transportation and imaging systems.
Latest Patents
One of his latest patents is the "Automated on-wheel thermography for safety and prevention." This comprehensive system is designed for the predictive maintenance of railcar wheel bearings, integrating multiple sensor modalities. The system includes thermography for temperature mapping, vibration analysis via a three-axis accelerometer, rotational velocity measurement using a rate gyro, and optical spectrometry for lubricant analysis. Each modality contributes to a holistic understanding of bearing health, enhancing maintenance strategies, safety, and operational efficiency in rail transportation. Another significant invention is the "Wide area imaging system and method." This invention provides a new and useful paradigm in wide area imaging, utilizing a step/dwell/image capture process and system to capture images and produce a wide area image from the captured data. The image capture is performed by a sensor with a predetermined image field, synchronized with a motorized step and dwell sequence.
Career Highlights
Throughout his career, Andrew has worked with various companies, including Diversified Innovations Fund LLLP and Delta Thermal, Inc. His contributions to these organizations have been instrumental in advancing their technological capabilities and innovation strategies.
Collaborations
Andrew has collaborated with notable individuals in his field, including Michael B. Powell and Mark J. Howell. These partnerships have fostered a creative environment that has led to significant advancements in their respective projects.
Conclusion
Andrew James Griffis exemplifies the spirit of innovation through his patents and contributions to technology. His work continues to impact the fields of rail transportation and imaging systems, showcasing the importance of inventive thinking in solving complex challenges.