Company Filing History:
Years Active: 1999-2005
Title: Innovations by Thomas A Greenwood
Introduction
Thomas A Greenwood is an accomplished inventor based in Sumner, WA (US). He has made significant contributions to the field of machine accuracy, holding a total of 7 patents. His work focuses on improving the precision of large machines, which is crucial for various industrial applications.
Latest Patents
Among his latest patents, Greenwood has developed innovative software aimed at enhancing the accuracy of large machines. These machines often face unacceptable errors due to thermal expansion and mechanical misalignments. Traditional methods to minimize these errors, such as thermal enclosures and laser interferometers, can be costly and require frequent recalibration. Greenwood's invention utilizes an interferometric laser tracker or a comparable 3D position sensor to measure the position of a retroreflector attached to the machine's end effector. A computer then compares the measured position to the desired position and applies the necessary corrections to ensure precise machining.
Career Highlights
Thomas A Greenwood is currently employed at The Boeing Company, where he continues to innovate and improve machine accuracy. His expertise in this area has made him a valuable asset to the company and the industry as a whole.
Collaborations
One of his notable coworkers is Thomas W Pastusak, with whom he collaborates on various projects aimed at enhancing machine performance and accuracy.
Conclusion
Thomas A Greenwood's contributions to machine accuracy through his innovative patents demonstrate his commitment to advancing technology in the field. His work not only addresses existing challenges but also paves the way for future innovations in machine engineering.