Company Filing History:
5 out of 640 
4 out of 51,920 
1 out of 1 Years Active: 2001-2019
Title: The Innovative Contributions of David Platt Ketcham
Introduction
David Platt Ketcham is a notable inventor based in Charlotte, NC (US). He has made significant contributions to the field of engineering, particularly in the development of automated work platforms and maintenance apparatuses. With a total of 11 patents to his name, Ketcham's work reflects a commitment to innovation and efficiency in complex industrial tasks.
Latest Patents
One of Ketcham's latest patents is the "Under Vessel Automated Work Platform Assembly." This invention features an automated high-speed under-vessel work platform equipped with three automated axes, including a 360° rotational horizontal axis, a linear horizontal axis via a traversing trolley, and a linear vertical axis utilizing swappable task robots. The platform can also be enhanced with fourth and fifth axes capabilities. It is designed to navigate to specific locations by inputting coordinates into the control software. Additionally, the platform can be operated manually through a hand wheel, locally via a handheld pendant, or remotely from a control room. It is also equipped with a camera for inspections and verification of work.
Another significant patent is the "Dual Drive Winch and Nuclear Reactor Vessel Maintenance Apparatus Employing Same." This invention includes a dual drive winch with a drive assembly that features two shafts, each of which can be selectively engaged or disengaged. The innovative design allows for simultaneous rotation of the shafts through a coupling mechanism, enhancing the efficiency of maintenance tasks.
Career Highlights
Throughout his career, Ketcham has worked with prominent companies such as Westinghouse Electric Company and General Electric Company. His experience in these organizations has contributed to his expertise in developing advanced engineering solutions.
Collaborations
Ketcham has collaborated with notable professionals in his field, including David Grey Smith and Stafford L Turner. These partnerships have likely fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
David Platt Ketcham's contributions to engineering and innovation are evident through his patents and career achievements. His work continues to influence the development of automated systems in industrial applications.