Company Filing History:
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1 out of 319 
Years Active: 1994-1998
Title: Frank R. Chang: Innovator in Mobile Tool Positioning Systems
Introduction
Frank R. Chang is a notable inventor based in Cerritos, CA (US). He has made significant contributions to the field of mobile tool positioning systems, holding 2 patents that showcase his innovative approach to engineering challenges.
Latest Patents
One of his latest patents is the "Mobile Gantry Tool and Method." This invention includes a mobile tool positioning system that features a support assembly, a mobile multi-axis, numerically controlled robotic tool, and a multi-movement control device. The support assembly is strategically located adjacent to a workpiece and is equipped with multiple engagers. The mobile tool is designed with proximity sensors that ensure precise alignment with the support assembly before coupling. Additionally, the mobile tool incorporates a self-leveling system with configurable memory, enabling precision tooling operations on various workpieces.
Another significant patent is the "Mechanized Lay Up Assembly Line for Composite Structures." This invention features a tool delivery station with rollers that facilitate the movement of tools across its surface. The adjacent work station includes a work surface that also has rollers, which can either support a tool above the surface or retract to allow the tool to rest firmly on the work surface. The assembly line is equipped with a debulking diaphragm and a vacuum system, which work together to compact composite materials effectively.
Career Highlights
Throughout his career, Frank R. Chang has worked with prominent companies such as Northrop Grumman Systems Corporation and Northrop Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions for complex engineering problems.
Collaborations
Frank has collaborated with notable coworkers, including Nicholas George Bullen and Colin G. Clayton. Their combined efforts have likely fostered an environment of creativity and innovation in their respective projects.
Conclusion
Frank R. Chang is a distinguished inventor whose work in mobile tool positioning systems has led to significant advancements in engineering. His patents reflect a commitment to precision and efficiency in manufacturing processes.