This inventor holds 4 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Frick York International, Aaim Controls, Inc., Ashworth Bros., Inc.. Active years: 1998-2018.
Company Filing History:

Years Active: 1998-2018
Title: Arthur James Marshall: Innovator in Refrigeration and Bearing Technology
Introduction
Arthur James Marshall is a notable inventor based in Gettysburg, PA (US). He holds a total of 4 patents that showcase his contributions to the fields of refrigeration and bearing technology. His innovative spirit and technical expertise have led to advancements that benefit various industries.
Latest Patents
Among his latest patents is the "Refrigeration Circuit Control System." This control system features one or more working fluid refrigerant sensors that measure the fluid energy value of the refrigerant along the low side of the refrigeration circuit. It effectively regulates the flow of refrigerant based on expected fluid energy values. Another significant patent is the "System and Method for Anticipating Low-Speed Bearing Failure." This system triggers notifications when noise generated by a low-speed bearing exceeds a certain threshold, allowing for early detection of potential failures. It utilizes an accelerometer to detect noise, and the signal is processed through various filters and amplifiers before being transmitted to a remote monitoring system for further analysis.
Career Highlights
Arthur has worked with reputable companies such as Frick York International and Aaim Controls, Inc. His experience in these organizations has contributed to his development as an inventor and innovator in his field.
Collaborations
Throughout his career, Arthur has collaborated with talented individuals, including John Anthony Ecton, Jr. and Randy Lynn Eberly. These collaborations have likely enriched his work and led to further advancements in technology.
Conclusion
Arthur James Marshall's contributions to refrigeration and bearing technology through his patents demonstrate his innovative capabilities and commitment to improving industry standards. His work continues to influence the fields he has engaged with, showcasing the importance of invention in technological advancement.