Location History:
- Penn Township, Westmoreland County, PA (US) (1991 - 1994)
- Jeannette, PA (US) (1997 - 2017)
Company Filing History:
5 out of 8,033 
4 out of 639 
Years Active: 1991-2017
Title: David John Stefko: Innovator in Nuclear Fuel Technology
Introduction
David John Stefko is a notable inventor based in Jeannette, PA (US), recognized for his contributions to nuclear fuel technology. With a total of nine patents to his name, Stefko has developed innovative tools that enhance the efficiency and safety of nuclear facilities.
Latest Patents
Among his latest patents is the "Nuclear Fuel Assembly Handling Apparatus." This invention features a fuel assembly handling tool designed to be lowered onto the top nozzle of a fuel assembly. The tool positively latches onto the top nozzle, allowing for safe unlatching and raising off the assembly. The tool head includes load-bearing grippers that are stored within the tool while being lowered. During the latching process, the gripper fingers are positioned to secure the assembly, and they return to storage during unlatching.
Another significant patent is the "Control Rod Transfer Device." This invention is a telescoping rod control cluster assembly change tool that facilitates the movement of control rod assemblies within a nuclear facility. The tool operates mechanically, and its telescoping feature allows for a low profile during storage and transport. Rigidly supported alignment cards guide a gripper that attaches to the control rod assembly, ensuring precise movement without lateral or rotational shifts.
Career Highlights
David John Stefko has worked with prominent companies in the nuclear sector, including Westinghouse Electric Corporation and Westinghouse Electric Company LLC. His experience in these organizations has significantly contributed to his expertise in nuclear technology and innovation.
Collaborations
Throughout his career, Stefko has collaborated with notable colleagues such as Barry F. Cooney and Thomas M. Camden, Jr. These partnerships have fostered a collaborative environment that has led to advancements in nuclear fuel handling technologies.
Conclusion
David John Stefko's innovative contributions to nuclear fuel technology through his patents and collaborations highlight his significant impact on the industry. His work continues to enhance safety and efficiency in nuclear facilities, making him a key figure in this field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.