Location History:
- Macedonia, OH (US) (1986)
- Berea, OH (US) (1980 - 1997)
Company Filing History:
5 out of 5 
2 out of 4 
1 out of 1 Years Active: 1980-1997
Title: The Inventive Mind of Donald C. Wetzel
Introduction
Donald C. Wetzel, an esteemed inventor hailing from Berea, Ohio, has made significant contributions to the field of locomotive lighting technology. With a portfolio that includes 12 patents, Wetzel's innovations demonstrate a strong blend of practical application and technological advancement, particularly in enhancing safety and efficiency for railroad operations.
Latest Patents
One of Wetzel's most notable recent patents is the development of a digital dimming and flashing circuit for locomotive ditch lights. This innovative circuit allows for the dimming of the lights by pulsing at a selected duty cycle, effectively reducing wear on the filament while maintaining illumination. The design enables alternating illumination of a pair of ditch lights on a railroad locomotive at full voltage and dimmed states. The system automatically activates a flashing sequence when the locomotive travels below a specified speed or when the horn is sounded. Additionally, a timer controls the duration of the flashing sequence, making this circuit a smart solution for managing voltage without the need for voltage-dropping resistors.
Career Highlights
Wetzel has honed his skills and expertise through his work at notable companies, including Meg Trans Corporation. His contributions to technological advancements in lighting systems have made a notable impact on the railroad industry, showcasing his ability to translate complex electrical engineering concepts into practical inventions.
Collaborations
Throughout his career, Wetzel has collaborated with talented individuals such as Robert A. Livsey and Christopher M. Paddon. These partnerships have allowed for a dynamic exchange of ideas, leading to the successful development and patenting of various innovations.
Conclusion
Donald C. Wetzel's inventive spirit and dedication to advancing rail safety through innovative technologies exemplify the importance of creativity and technical skill in the field of engineering. His patents, notably in the area of digital dimming and flashing circuits, reflect a commitment to enhancing operational efficiency and safety for locomotive systems. As he continues to innovate, Wetzel remains a key figure to watch in the realm of railroad technology.
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.