Company Filing History:
Years Active: 1978-1982
Title: Richard D. Marquess: Innovator in Accelerometer Technology
Introduction
Richard D. Marquess is a notable inventor based in Concord, CA (US). He has made significant contributions to the field of accelerometer technology, holding a total of 4 patents. His work focuses on improving the accuracy and reliability of accelerometers, which are essential in various applications.
Latest Patents
One of his latest patents is for an accelerometer that includes an overall arrangement for reducing temperature-related errors. This pendulous type of oil-filled accelerometer is designed to be sensitive to temperature changes that can introduce errors into its output signal. The patent discloses a technique that compensates for these temperature changes, utilizing the oil's sensitivity to density changes in combination with an expandable and contractible bellows.
Another significant patent by Marquess is for a bearing preload assembly used in an oil-filled accelerometer. This invention features a sealed housing that defines an oil-filled internal chamber, housing a pendulous member and a pair of bearing mechanisms for its pivotal support. The assembly includes two preload arrangements, allowing for the adjustment of preload forces both before and after the housing is sealed.
Career Highlights
Richard D. Marquess is currently associated with Systron Donner, where he continues to innovate in the field of accelerometer technology. His expertise and inventions have contributed to advancements in the accuracy and functionality of these devices.
Conclusion
Richard D. Marquess is a prominent inventor whose work in accelerometer technology has led to significant advancements. His patents reflect a commitment to improving the performance and reliability of these essential devices.