Company Filing History:
13 out of 142 
1 out of 26 
Years Active: 2004-2025
Title: The Innovations of Donald E. Wilt
Introduction
Donald E. Wilt is a notable inventor based in Batavia, Illinois, with a remarkable portfolio of 14 patents. His work primarily focuses on advancements in railroad technology, particularly in enhancing the efficiency and functionality of freight car draft gear systems.
Latest Patents
One of his latest patents is the Railroad Freight Car Draft Gear Friction Modifying Insert. This innovative design includes a friction clutch assembly with friction members that operate in combination with an actuator. Each friction member features an outer friction surface that slides along a mating friction surface. A spring assembly is integrated to absorb, dissipate, and return energy imparted to the draft gear. The design incorporates recesses on the mating friction surfaces, allowing for a uniquely designed preformed friction modifying insert to be pressed into each recess. Each insert is characterized by an elongated leg with projections extending radially outward, and a convex inner contact surface that facilitates insertion and active contact, along with flared inner edges to improve the fit between the insert and related draft gear components.
Career Highlights
Throughout his career, Donald E. Wilt has made significant contributions to the field of railroad technology. He has worked with prominent companies such as Miner Enterprises, Inc. and Trinity North American Freight Car, Inc., where he has applied his expertise to develop innovative solutions for freight car systems.
Collaborations
Donald has collaborated with notable individuals in the industry, including Keith A. Salis and William P. O'Donnell. Their combined efforts have contributed to the advancement of technology in freight car design and functionality.
Conclusion
Donald E. Wilt's contributions to the field of railroad technology through his patents and collaborations highlight his innovative spirit and dedication to improving freight car systems. His work continues to influence the industry and pave the way for future advancements.